Adding graph examples (#258)

* Adding graph examples

* Updating README.md

samples/features/sql-graph/create_graph_tables.sql

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+-- clean database
+DROP TABLE IF EXISTS Graph.Customers;
+DROP TABLE IF EXISTS Graph.StockItems;
+DROP TABLE IF EXISTS Graph.Suppliers;
+
+DROP TABLE IF EXISTS Graph.OrderLines_CustomersToStockItems;
+DROP TABLE IF EXISTS Graph.OrderLines_StockItemsToCustomers;
+
+DROP TABLE IF EXISTS Graph.InvoiceLines_CustomersToStockItems;
+DROP TABLE IF EXISTS Graph.InvoiceLines_StockItemsToCustomers;
+
+DROP TABLE IF EXISTS Graph.PurchaseOrderLines_SuppliersToStockItems;
+DROP TABLE IF EXISTS Graph.PurchaseOrderLines_StockItemsToSuppliers;
+
+DROP SCHEMA IF EXISTS Graph;
+go
+
+-- define schema
+CREATE SCHEMA Graph;
+go
+
+/* SALES schema */
+-- create node table for Sales.Customers
+CREATE TABLE Graph.Customers (
+	CustomerID					int,
+	CustomerName				nvarchar(100),
+	BillToCustomerID			int,
+	CustomerCategoryID			int,
+	BuyingGroupID				int,
+	PrimaryContactPersonID		int,
+	AlternateContactPersonID	int,
+	DeliveryMethodID			int,
+	DeliveryCityID				int,
+	PostalCityID				int,
+	CreditLimit					decimal(18,2),
+	AccountOpenedDate			date,
+	StandardDiscountPercentage	decimal(18,3),
+	IsStatementSent				bit,
+	IsOnCreditHold				bit,
+	PaymentDays					int,
+	PhoneNumber					nvarchar(20),
+	WebsiteURL					nvarchar(256),
+	DeliveryAddressLine1		nvarchar(60),
+	DeliveryAddressLine2		nvarchar(60),
+	DeliveryPostalCode			nvarchar(10),
+	DeliveryLocation			geography,
+	PostalAddressLine1			nvarchar(60),
+	PostalAddressLine2			nvarchar(60),
+	PostalPostalCode			nvarchar(10),
+	LastEditedBy				int,
+	ValidFrom					datetime2,
+	ValidTo						datetime2
+) AS NODE;
+
+-- create edge table for Sales.Orders and Sales.Orderlines
+-- LINK: CUSTOMERS -->> STOCKITEMS
+CREATE TABLE Graph.OrderLines_CustomersToStockItems (
+	
+	-- from Sales.Orders
+	OrderID						int,
+	CustomerID					int,
+	SalespersonPersonID			int,
+	PickedByPersonID			int,
+	ContactPersonID				int,
+	BackorderOrderID			int,
+	OrderDate					date,
+	ExpectedDeliveryDate		date,
+	CustomerPurchaseOrderNumber	nvarchar(20),
+	IsUndersupplyBackordered	bit,
+	Comments					nvarchar(max),
+	DeliveryInstructions		nvarchar(max),
+	InternalComments			nvarchar(max),
+
+	-- from Sales.OrderLines
+	StockItemID					int,
+	Description					nvarchar(100),
+	PackageTypeID				int,
+	Quantity					int,
+	UnitPrice					decimal(18,2),
+	TaxRate						decimal(18,3),
+	PickedQuantity				int,
+	PickingCompletedWhen		datetime2,
+	LastEditedBy				int,
+	LastEditedWhen				datetime2
+) AS EDGE;
+
+-- create edge table for Sales.Invoices and Sales.InvoiceLines
+-- LINK: CUSTOMERS -->> STOCKITEMS
+CREATE TABLE Graph.InvoiceLines_CustomersToStockItems (
+	
+	-- from Sales.Invoices
+	InvoiceID					int,
+	CustomerID					int,
+	BillToCustomerID			int,
+	OrderID						int,
+	DeliveryMethodID			int,
+	ContactPersonID				int,
+	AccountsPersonID			int,
+	SalespersonPersonID			int,
+	PackedByPersonID			int,
+	InvoiceDate					date,
+	CustomerPurchaseOrderNumber	nvarchar(20),
+	IsCreditNote				bit,
+	CreditNoteReason			nvarchar(max),
+	Comments					nvarchar(max),
+	DeliveryInstructions		nvarchar(max),
+	InternalComments			nvarchar(max),
+	TotalDryItems				int,
+	TotalChillerItems			int,
+	DeliveryRun					nvarchar(5),
+	RunPosition					nvarchar(5),
+	ReturnedDeliveryData		nvarchar(max),
+	ConfirmedDeliveryTime		datetime2,
+	ConfirmedReceivedBy			nvarchar(4000),
+
+	-- from Sales.InvoiceLines
+	InvoiceLineID				int,
+	StockItemID					int,
+	Description					nvarchar(100),
+	PackageTypeID				int,
+	Quantity					int,
+	UnitPrice					decimal(18,3),
+	TaxRate						decimal(18,2),
+	TaxAmount					decimal(18,2),
+	LineProfit					decimal(18,2),
+	ExtendedPrice				decimal(18,2),
+	LastEditedBy				int,
+	LastEditedWhen				datetime2
+) AS EDGE;
+
+
+-- create edge table for Sales.Orders and Sales.Orderlines
+-- LINK: STOCKITEMS -->> CUSTOMERS
+CREATE TABLE Graph.OrderLines_StockItemsToCustomers (
+	
+	-- from Sales.Orders
+	OrderID						int,
+	CustomerID					int,
+	SalespersonPersonID			int,
+	PickedByPersonID			int,
+	ContactPersonID				int,
+	BackorderOrderID			int,
+	OrderDate					date,
+	ExpectedDeliveryDate		date,
+	CustomerPurchaseOrderNumber	nvarchar(20),
+	IsUndersupplyBackordered	bit,
+	Comments					nvarchar(max),
+	DeliveryInstructions		nvarchar(max),
+	InternalComments			nvarchar(max),
+
+	-- from Sales.OrderLines
+	StockItemID					int,
+	Description					nvarchar(100),
+	PackageTypeID				int,
+	Quantity					int,
+	UnitPrice					decimal(18,2),
+	TaxRate						decimal(18,3),
+	PickedQuantity				int,
+	PickingCompletedWhen		datetime2,
+	LastEditedBy				int,
+	LastEditedWhen				datetime2
+) AS EDGE;
+
+-- create edge table for Sales.Invoices and Sales.InvoiceLines
+-- LINK: STOCKITEMS -->> CUSTOMERS
+CREATE TABLE Graph.InvoiceLines_StockItemsToCustomers (
+	
+	-- from Sales.Invoices
+	InvoiceID					int,
+	CustomerID					int,
+	BillToCustomerID			int,
+	OrderID						int,
+	DeliveryMethodID			int,
+	ContactPersonID				int,
+	AccountsPersonID			int,
+	SalespersonPersonID			int,
+	PackedByPersonID			int,
+	InvoiceDate					date,
+	CustomerPurchaseOrderNumber	nvarchar(20),
+	IsCreditNote				bit,
+	CreditNoteReason			nvarchar(max),
+	Comments					nvarchar(max),
+	DeliveryInstructions		nvarchar(max),
+	InternalComments			nvarchar(max),
+	TotalDryItems				int,
+	TotalChillerItems			int,
+	DeliveryRun					nvarchar(5),
+	RunPosition					nvarchar(5),
+	ReturnedDeliveryData		nvarchar(max),
+	ConfirmedDeliveryTime		datetime2,
+	ConfirmedReceivedBy			nvarchar(4000),
+
+	-- from Sales.InvoiceLines
+	InvoiceLineID				int,
+	StockItemID					int,
+	Description					nvarchar(100),
+	PackageTypeID				int,
+	Quantity					int,
+	UnitPrice					decimal(18,3),
+	TaxRate						decimal(18,2),
+	TaxAmount					decimal(18,2),
+	LineProfit					decimal(18,2),
+	ExtendedPrice				decimal(18,2),
+	LastEditedBy				int,
+	LastEditedWhen				datetime2
+) AS EDGE;
+
+
+/* WAREHOUSE schema */
+-- create node table for Warehouse.StockItems
+CREATE TABLE Graph.StockItems (
+	StockItemID					int,
+	StockItemName				nvarchar(100),
+	SupplierID					int,
+	ColorID						int,
+	UnitPackageID				int,
+	OuterPackageID				int,
+	Brand						nvarchar(50),
+	Size						nvarchar(20),
+	LeadTimeDays				int,
+	QuantityPerOuter			int,
+	IsChillerStock				bit,
+	Barcode						nvarchar(50),
+	TaxRate						decimal(18,3),
+	UnitPrice					decimal(18,2),
+	RecommendedRetailPrice		decimal(18,2),
+	TypicalWeightPerUnit		decimal(5,2),
+	MarketingComments			nvarchar(max),
+	InternalComments			nvarchar(max),
+	Photo						varbinary(max),
+	CustomFields				nvarchar(max),
+	Tags						nvarchar(max),
+	SearchDetails				nvarchar(max),
+	LastEditedBy				int,
+	ValidFrom					datetime2,
+	ValidTo						datetime2
+) AS NODE;
+
+/* PURCHASING schema */
+-- create node table for Purchasing.Suppliers
+CREATE TABLE Graph.Suppliers (
+	SupplierID					int,
+	SupplierName				nvarchar(100),
+	SupplierCategoryID			int,
+	PrimaryContactPersonID		int,
+	AlternateContactPersonID	int,
+	DeliveryMethodID			int,
+	DeliveryCityID				int,
+	PostalCityID				int,
+	SupplierReference			nvarchar(20),
+	BankAccountName				nvarchar(50),
+	BankAccountBranch			nvarchar(50),
+	BankAccountCode				nvarchar(20),
+	BankAccountNumber			nvarchar(20),
+	BankInternationalCode		nvarchar(20),
+	PaymentDays					int,
+	InternalComments			nvarchar(max),
+	PhoneNumber					nvarchar(20),
+	FaxNumber					nvarchar(20),
+	WebsiteURL					nvarchar(256),
+	DeliveryAddressLine1		nvarchar(60),
+	DeliveryAddressLine2		nvarchar(60),
+	DeliveryPostalCode			nvarchar(10),
+	DeliveryLocation			geography,
+	PostalAddressLine1			nvarchar(60),
+	PostalAddressLine2			nvarchar(60),
+	PostalPostalCode			nvarchar(10),
+	LastEditedBy				int,
+	ValidFrom					datetime2,
+	ValidTo						datetime2
+) AS NODE
+
+-- create edge table for Purchasing.PurchaseOrders and Purchasing.PurchaseOrderLines
+-- LINK: SUPPLIERS -->> STOCKITEMS
+CREATE TABLE Graph.PurchaseOrderLines_SuppliersToStockItems (
+
+	-- from Purchasing.PurchaseOrders
+	PurchaseOrderID				int,
+	SupplierID					int,
+	OrderDate					date,
+	DeliveryMethodID			int,
+	ContactPersonID				int,
+	ExpectedDeliveryDate		date,
+	SupplierReference			nvarchar(20),
+	IsOrderFinalized			bit,
+	Comments					nvarchar(max),
+	InternalComments			nvarchar(max),
+
+	-- from Purchasing.PurchaseOrderLines
+	PurchaseOrderLineID			int,
+	StockItemID					int,
+	OrderedOuters				int,
+	Description					nvarchar(100),
+	ReceivedOuters				int,
+	PackageTypeID				int,
+	ExpectedUnitPricePerOuter	decimal(18,2),
+	LastReceiptDate				date,
+	IsOrderLineFinalized		bit,
+	LastEditedBy				int,
+	LastEditedWhen				datetime2
+) AS EDGE;
+
+-- create edge table for Purchasing.PurchaseOrders and Purchasing.PurchaseOrderLines
+-- LINK: STOCKITEMS -->> SUPPLIERS
+CREATE TABLE Graph.PurchaseOrderLines_StockItemsToSuppliers (
+
+	-- from Purchasing.PurchaseOrders
+	PurchaseOrderID				int,
+	SupplierID					int,
+	OrderDate					date,
+	DeliveryMethodID			int,
+	ContactPersonID				int,
+	ExpectedDeliveryDate		date,
+	SupplierReference			nvarchar(20),
+	IsOrderFinalized			bit,
+	Comments					nvarchar(max),
+	InternalComments			nvarchar(max),
+
+	-- from Purchasing.PurchaseOrderLines
+	PurchaseOrderLineID			int,
+	StockItemID					int,
+	OrderedOuters				int,
+	Description					nvarchar(100),
+	ReceivedOuters				int,
+	PackageTypeID				int,
+	ExpectedUnitPricePerOuter	decimal(18,2),
+	LastReceiptDate				date,
+	IsOrderLineFinalized		bit,
+	LastEditedBy				int,
+	LastEditedWhen				datetime2
+) AS EDGE;
+
+go

samples/features/sql-graph/csv_as_node.py

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+# -*- coding: utf-8 -*-
+import os
+from optparse import OptionParser
+
+def main(input_file_path, schema, table):
+
+    # create the output file in the same directory as the input file
+    output_file_path = os.path.splitext(input_file_path)[0] + '_as_node' + '.csv'
+
+    # you may have to change the encoding 
+    with open(input_file_path, mode='r', encoding = 'utf-16le', newline='') as input_file, \
+    open(output_file_path, mode='w', encoding = 'utf-16le', newline='') as output_file:
+    
+        line = input_file.readline()
+        line_number = 0
+
+        # read each line of the input file, add a $node_id column and write down the result on the output file
+        while line:       
+            if line_number == 0:
+                newline = '\ufeff' + '{"type":"node","schema":"' + schema + '","table":"' + table + '","id":' + str(line_number) + '}\t' + line[1:]
+            else:
+                newline = '{"type":"node","schema":"' + schema + '","table":"' + table + '","id":' + str(line_number) + '}\t' + line
+            output_file.write(newline)
+            line_number += 1
+            line = input_file.readline()
+    
+if __name__ == '__main__':
+    
+    parser = OptionParser()
+    
+    parser.add_option("-f", "--file", action="store", type="string", dest="input_file_name")
+    parser.add_option("-s", "--schema", action="store", type="string", dest="schema")
+    parser.add_option("-t", "--table", action="store", type="string", dest="table")
+    
+    (options, args) = parser.parse_args()
+
+    # retrieve options if not provided by the user
+    if (options.input_file_name == None):
+        options.name = input('Please enter the full path to the csv file you will import as a node table:')
+    if (options.schema == None):
+        options.name = input('Please enter the SQL schema of the node table you will populate:')
+    if (options.table == None):
+        options.name = input('Please enter the SQL name of the node table you are populate:')
+ 
+    main(options.input_file_name, options.schema, options.table)
+

samples/features/sql-graph/csv_as_node.sql

@@ -0,0 +1,82 @@
+/*
+Bulk insert a csv file using bcp
+*/
+
+-- CREATE TABLE
+DROP TABLE IF EXISTS Graph.Customers;
+
+CREATE TABLE Graph.Customers(
+	CustomerID int,
+	CustomerName nvarchar(100) not null,
+	BillToCustomerID int not null,
+	CustomerCategoryID int not null,
+	BuyingGroupID int null,
+	PrimaryContactPersonID int not null,
+	AlternateContactPersonID int null,
+	DeliveryMethodID int not null,
+	DeliveryCityID int not null,
+	PostalCityID int not null,
+	CreditLimit decimal(18, 2) null,
+	AccountOpenedDate date not null,
+	StandardDiscountPercentage decimal(18, 3) not null,
+	IsStatementSent bit not null,
+	IsOnCreditHold bit not null,
+	PaymentDays int not null,
+	PhoneNumber nvarchar(20) not null,
+	FaxNumber nvarchar(20) null,
+	DeliveryRun nvarchar(5) null,
+	RunPosition nvarchar(5) null,
+	WebsiteURL nvarchar(256) not null,
+	DeliveryAddressLine1 nvarchar(60) not null,
+	DeliveryAddressLine2 nvarchar(60) null,
+	DeliveryPostalCode nvarchar(10) not null,
+	DeliveryLocation geography null,
+	PostalAddressLine1 nvarchar(60) not null,
+	PostalAddressLine2 nvarchar(60) null,
+	PostalPostalCode nvarchar(10) not null,
+	LastEditedBy int not null,
+	ValidFrom datetime2(7) not null,
+	ValidTo datetime2(7) not null
+) AS NODE;
+go
+
+-- to improve performance, disable default indexes
+ALTER INDEX ALL ON Graph.Customers disable;
+go
+
+/* SQL Server only
+-- to improve performance, set the recovery mode to bulk_logged
+USE master;
+go
+
+ALTER DATABASE [WideWorldImporters-Standard]
+SET recovery bulk_logged;
+go
+*/
+
+/*
+:: From a windows command line, run the following commands.
+:: The first line retrieves [WideWorldImporters-Standard].[Sales].[Customers] as a csv file.
+bcp [WideWorldImporters-Standard].[Sales].[Customers] out "E:\Graph Examples\Graph.Customers.csv" -w -U {userName}@{serverName} -S tcp:{serverName}.database.windows.net -P {password}
+::
+:: The second line inserts a column $node_id into the csv file
+python csv_as_node.py -f "E:\\Graph Examples\\Graph.Customers.csv" -s "Graph" -t "Customers"
+::
+:: The third and last line inserts the newly created csv file "E:\Graph Examples\Graph.Customers_as_node.csv" into [WideWorldImporters-Standard].[Graph].[Customers]
+bcp [WideWorldImporters-Standard].[Graph].[Customers] in "E:\Graph Examples\Graph.Customers_as_node.csv" -w -U {userName}@{serverName} -S tcp:{serverName}.database.windows.net -P {password}
+*/
+
+/* SQL Server only
+ALTER DATABASE [WideWorldImporters-Standard]
+SET recovery full;
+go
+
+USE [WideWorldImporters-Standard];
+go
+*/
+
+ALTER INDEX ALL ON Graph.Customers rebuild;
+go
+
+select * from Graph.Customers;
+go

samples/features/sql-graph/customers_who_bought_this_also_bought.sql

@@ -0,0 +1,27 @@
+/*
+Customer who bought this also bought this
+Using graph tables
+Using regular tables
+*/
+
+-- using graph tables
+SELECT DISTINCT s2.StockItemName
+FROM Graph.StockItems AS s1, Graph.OrderLines_CustomersToStockItems, Graph.Customers, Graph.OrderLines_StockItemsToCustomers, Graph.StockItems AS s2
+WHERE MATCH (s1 - (OrderLines_StockItemsToCustomers) -> Customers and Customers - (OrderLines_CustomersToStockItems) -> s2)
+	and s1.StockItemName = 'Chocolate frogs 250g'
+ORDER BY s2.StockItemName
+go
+
+-- using regular tables
+SELECT DISTINCT s2.StockItemName
+FROM (select StockItemID, StockItemName FROM Warehouse.StockItems ) AS s1
+	join (select StockItemID, OrderID FROM Sales.OrderLines) AS q1 ON q1.StockItemID = s1.StockItemID
+	join (select OrderID, CustomerID FROM Sales.Orders) AS q2 ON q1.OrderID = q2.OrderID
+	join (select CustomerID, OrderID FROM Sales.Orders) AS q3 ON q2.CustomerID = q3.CustomerID
+	join (select OrderID, StockItemID FROM Sales.Orderlines) AS q4 ON q3.OrderID = q4.OrderID
+	join (select StockItemID, StockItemName FROM Warehouse.StockItems ) AS s2 ON q4.StockItemID = s2.StockItemID
+WHERE s1.StockItemName = 'Chocolate frogs 250g'
+ORDER BY s2.StockItemName
+go
+
+

samples/features/sql-graph/openrowset_bulk_insert.sql

@@ -0,0 +1,148 @@
+/*
+Bulk insert using OPENROWSET
+SQL Server only
+*/
+
+/* SETUP. Download [WideWorldImporters-Standard].Sales.Customers as a csv file and create the related format file
+:: From a windows command line, run the following commands
+bcp [WideWorldImporters-Standard].Sales.Customers out "E:\Graph Examples\Graph.Customers.csv" -w -U {userName}@{serverName} -S tcp:{serverName}.database.windows.net -P {password}
+bcp [WideWorldImporters-Standard].Sales.Customers format nul -x -f "E:\Graph Examples\Graph.Customers_format.xml" -w -U {userName}@{serverName} -S tcp:{serverName}.database.windows.net -P {password}
+*/
+
+-- create node table
+DROP TABLE IF EXISTS Graph.Customers;
+GO
+
+CREATE TABLE Graph.Customers(
+	CustomerID int,
+	CustomerName nvarchar(100) not null,
+	BillToCustomerID int not null,
+	CustomerCategoryID int not null,
+	BuyingGroupID int null,
+	PrimaryContactPersonID int not null,
+	AlternateContactPersonID int null,
+	DeliveryMethodID int not null,
+	DeliveryCityID int not null,
+	PostalCityID int not null,
+	CreditLimit decimal(18, 2) null,
+	AccountOpenedDate date not null,
+	StandardDiscountPercentage decimal(18, 3) not null,
+	IsStatementSent bit not null,
+	IsOnCreditHold bit not null,
+	PaymentDays int not null,
+	PhoneNumber nvarchar(20) not null,
+	FaxNumber nvarchar(20) null,
+	DeliveryRun nvarchar(5) null,
+	RunPosition nvarchar(5) null,
+	WebsiteURL nvarchar(256) not null,
+	DeliveryAddressLine1 nvarchar(60) not null,
+	DeliveryAddressLine2 nvarchar(60) null,
+	DeliveryPostalCode nvarchar(10) not null,
+	DeliveryLocation geography null,
+	PostalAddressLine1 nvarchar(60) not null,
+	PostalAddressLine2 nvarchar(60) null,
+	PostalPostalCode nvarchar(10) not null,
+	LastEditedBy int not null,
+	ValidFrom datetime2(7) not null,
+	ValidTo datetime2(7) not null
+) AS NODE;
+GO
+
+-- to improve performance, disable default indexes and SET the recovery mode to bulk_logged
+ALTER INDEX ALL ON Graph.Customers disable;
+GO
+
+USE master;
+GO
+
+ALTER DATABASE [WideWorldImporters-Standard]
+SET recovery bulk_logged;
+GO
+
+USE [WideWorldImporters-Standard];
+GO
+
+INSERT INTO Graph.Customers (
+	CustomerID,
+	CustomerName,
+	BillToCustomerID,
+	CustomerCategoryID,
+	BuyingGroupID,
+	PrimaryContactPersonID,
+	AlternateContactPersonID,
+	DeliveryMethodID,
+	DeliveryCityID,
+	PostalCityID,
+	CreditLimit,
+	AccountOpenedDate,
+	StandardDiscountPercentage,
+	IsStatementSent,
+	IsOnCreditHold,
+	PaymentDays,
+	PhoneNumber,
+	FaxNumber,
+	DeliveryRun,
+	RunPosition,
+	WebsiteURL,
+	DeliveryAddressLine1,
+	DeliveryAddressLine2,
+	DeliveryPostalCode,
+	DeliveryLocation,
+	PostalAddressLine1,
+	PostalAddressLine2,
+	PostalPostalCode,
+	LastEditedBy,
+	ValidFrom,
+	ValidTo
+)
+SELECT 
+	CustomerID,
+	CustomerName,
+	BillToCustomerID,
+	CustomerCategoryID,
+	BuyingGroupID,
+	PrimaryContactPersonID,
+	AlternateContactPersonID,
+	DeliveryMethodID,
+	DeliveryCityID,
+	PostalCityID,
+	CreditLimit,
+	AccountOpenedDate,
+	StandardDiscountPercentage,
+	IsStatementSent,
+	IsOnCreditHold,
+	PaymentDays,
+	PhoneNumber,
+	FaxNumber,
+	DeliveryRun,
+	RunPosition,
+	WebsiteURL,
+	DeliveryAddressLine1,
+	DeliveryAddressLine2,
+	DeliveryPostalCode,
+	DeliveryLocation,
+	PostalAddressLine1,
+	PostalAddressLine2,
+	PostalPostalCode,
+	LastEditedBy,
+	ValidFrom,
+	ValidTo
+FROM OPENROWSET (
+	bulk 'E:\Graph Examples\Graph.Customers.csv', formatfile = 'E:\Graph Examples\Graph.Customers_format.xml' 
+) as temp;
+
+USE master;
+GO
+
+ALTER DATABASE [WideWorldImporters-Standard]
+SET RECOVERY FULL;
+GO
+
+USE [WideWorldImporters-Standard];
+GO
+
+ALTER INDEX ALL ON Graph.Customers rebuild;
+GO
+
+SELECT * FROM Graph.Customers;
+GO

samples/features/sql-graph/populate_graph_tables.sql

@@ -0,0 +1,645 @@
+/* POPULATE NODE TABLES */
+
+-- for performance purposes, disable default indexes on edge and node tables. 
+ ALTER INDEX ALL ON Graph.Customers disable;
+ ALTER INDEX ALL ON Graph.Suppliers disable;
+ ALTER INDEX ALL ON Graph.StockItems disable;
+
+ ALTER INDEX ALL ON Graph.InvoiceLines_CustomersToStockItems disable;
+ ALTER INDEX ALL ON Graph.InvoiceLines_StockItemsToCustomers disable;
+ ALTER INDEX ALL ON Graph.OrderLines_CustomersToStockItems disable;
+ ALTER INDEX ALL ON Graph.OrderLines_StockItemsToCustomers disable;
+ ALTER INDEX ALL ON Graph.PurchaseOrderLines_StockItemsToSuppliers disable;
+ ALTER INDEX ALL ON Graph.PurchaseOrderLines_SuppliersToStockItems disable;
+ GO
+
+-- populate node table Graph.Customers from Sales.Customers
+INSERT INTO Graph.Customers (
+	CustomerID,
+	CustomerName,
+	BillToCustomerID,
+	CustomerCategoryID,
+	BuyingGroupID,
+	PrimaryContactPersonID,
+	AlternateContactPersonID,
+	DeliveryMethodID,
+	DeliveryCityID,
+	PostalCityID,
+	CreditLimit,
+	AccountOpenedDate,
+	StandardDiscountPercentage,
+	IsStatementSent,
+	IsOnCreditHold,
+	PaymentDays,
+	PhoneNumber,
+	WebsiteURL,
+	DeliveryAddressLine1,
+	DeliveryAddressLine2,
+	DeliveryPostalCode,
+	DeliveryLocation,
+	PostalAddressLine1,
+	PostalAddressLine2,
+	PostalPostalCode,
+	LastEditedBy,
+	ValidFrom,
+	ValidTo
+) SELECT
+	CustomerID,
+	CustomerName,
+	BillToCustomerID,
+	CustomerCategoryID,
+	BuyingGroupID,
+	PrimaryContactPersonID,
+	AlternateContactPersonID,
+	DeliveryMethodID,
+	DeliveryCityID,
+	PostalCityID,
+	CreditLimit,
+	AccountOpenedDate,
+	StandardDiscountPercentage,
+	IsStatementSent,
+	IsOnCreditHold,
+	PaymentDays,
+	PhoneNumber,
+	WebsiteURL,
+	DeliveryAddressLine1,
+	DeliveryAddressLine2,
+	DeliveryPostalCode,
+	DeliveryLocation,
+	PostalAddressLine1,
+	PostalAddressLine2,
+	PostalPostalCode,
+	LastEditedBy,
+	ValidFrom,
+	ValidTo
+FROM Sales.Customers;
+
+-- populate node table Graph.StockItems from Warehouse.StockItems
+INSERT INTO Graph.StockItems (
+	StockItemID,
+	StockItemName,
+	SupplierID,
+	ColorID,
+	UnitPackageID,
+	OuterPackageID,
+	Size,
+	LeadTimeDays,
+	QuantityPerOuter,
+	IsChillerStock,
+	Barcode,
+	TaxRate,
+	UnitPrice,
+	RecommendedRetailPrice,
+	TypicalWeightPerUnit,
+	MarketingComments,
+	InternalComments,
+	Photo,
+	CustomFields,
+	Tags,
+	SearchDetails,
+	LastEditedBy,
+	ValidFrom,
+	ValidTo
+) SELECT
+	StockItemID,
+	StockItemName,
+	SupplierID,
+	ColorID,
+	UnitPackageID,
+	OuterPackageID,
+	Size,
+	LeadTimeDays,
+	QuantityPerOuter,
+	IsChillerStock,
+	Barcode,
+	TaxRate,
+	UnitPrice,
+	RecommendedRetailPrice,
+	TypicalWeightPerUnit,
+	MarketingComments,
+	InternalComments,
+	Photo,
+	CustomFields,
+	Tags,
+	SearchDetails,
+	LastEditedBy,
+	ValidFrom,
+	ValidTo
+FROM Warehouse.StockItems;
+
+-- populate node table Graph.Suppliers from Purchasing.Suppliers
+INSERT INTO Graph.Suppliers (
+	SupplierID,
+	SupplierName,
+	SupplierCategoryID,
+	PrimaryContactPersonID,
+	AlternateContactPersonID,
+	DeliveryMethodID,
+	DeliveryCityID,
+	PostalCityID,
+	SupplierReference,
+	BankAccountName,
+	BankAccountBranch,
+	BankAccountCode,
+	BankAccountNumber,
+	BankInternationalCode,
+	PaymentDays,
+	InternalComments,
+	PhoneNumber,
+	FaxNumber,
+	WebsiteURL,
+	DeliveryAddressLine1,
+	DeliveryAddressLine2,
+	DeliveryPostalCode,
+	DeliveryLocation,
+	PostalAddressLine1,
+	PostalAddressLine2,
+	PostalPostalCode,
+	LastEditedBy,
+	ValidFrom,
+	ValidTo
+) SELECT
+	SupplierID,
+	SupplierName,
+	SupplierCategoryID,
+	PrimaryContactPersonID,
+	AlternateContactPersonID,
+	DeliveryMethodID,
+	DeliveryCityID,
+	PostalCityID,
+	SupplierReference,
+	BankAccountName,
+	BankAccountBranch,
+	BankAccountCode,
+	BankAccountNumber,
+	BankInternationalCode,
+	PaymentDays,
+	InternalComments,
+	PhoneNumber,
+	FaxNumber,
+	WebsiteURL,
+	DeliveryAddressLine1,
+	DeliveryAddressLine2,
+	DeliveryPostalCode,
+	DeliveryLocation,
+	PostalAddressLine1,
+	PostalAddressLine2,
+	PostalPostalCode,
+	LastEditedBy,
+	ValidFrom,
+	ValidTo
+FROM Purchasing.Suppliers;
+
+go
+
+
+/* POPULATE EDGE TABLES */
+-- populate edge table Graph.OrderLines_CustomersToStockItems from Sales.Orders and Sales.Orders
+INSERT INTO Graph.OrderLines_CustomersToStockItems (
+	$from_id,
+	$to_id,
+
+	-- from Sales.Orders
+	OrderID,
+	CustomerID,
+	SalespersonPersonID,
+	PickedByPersonID,
+	ContactPersonID,
+	BackorderOrderID,
+	OrderDate,
+	ExpectedDeliveryDate,
+	CustomerPurchaseOrderNumber,
+	IsUndersupplyBackordered,
+	Comments,
+	DeliveryInstructions,
+	InternalComments,
+
+	-- from Sales.OrderLines
+	StockItemID,
+	Description,
+	PackageTypeID,
+	Quantity,
+	UnitPrice,
+	TaxRate,
+	PickedQuantity,
+	PickingCompletedWhen,
+	LastEditedBy,
+	LastEditedWhen
+) SELECT
+	a1.n1,
+	a2.n2,
+
+	-- from Sales.Orders
+	Sales.Orders.OrderID,
+	Sales.Orders.CustomerID,
+	Sales.Orders.SalespersonPersonID,
+	Sales.Orders.PickedByPersonID,
+	Sales.Orders.ContactPersonID,
+	Sales.Orders.BackorderOrderID,
+	Sales.Orders.OrderDate,
+	Sales.Orders.ExpectedDeliveryDate,
+	Sales.Orders.CustomerPurchaseOrderNumber,
+	Sales.Orders.IsUndersupplyBackordered,
+	Sales.Orders.Comments,
+	Sales.Orders.DeliveryInstructions,
+	Sales.Orders.InternalComments,
+
+	-- from Sales.OrderLines
+	Sales.OrderLines.StockItemID,
+	Sales.OrderLines.Description,
+	Sales.OrderLines.PackageTypeID,
+	Sales.OrderLines.Quantity,
+	Sales.OrderLines.UnitPrice,
+	Sales.OrderLines.TaxRate,
+	Sales.OrderLines.PickedQuantity,
+	Sales.OrderLines.PickingCompletedWhen,
+	Sales.OrderLines.LastEditedBy,
+	Sales.OrderLines.LastEditedWhen
+FROM Sales.Orders join Sales.OrderLines ON Sales.Orders.OrderID = Sales.OrderLines.OrderID
+	join (SELECT $node_id AS n1, CustomerID FROM Graph.Customers) AS a1 ON a1.CustomerID = Sales.Orders.CustomerID
+	join (SELECT $node_id AS n2, StockItemID FROM Graph.StockItems) AS a2 ON a2.StockItemID = Sales.OrderLines.StockItemID;
+
+-- populate edge table Graph.OrderLines_StockItemsToCustomers from Sales.Orders and Sales.Orders
+INSERT INTO Graph.OrderLines_StockItemsToCustomers (
+	$from_id,
+	$to_id,
+
+	-- from Sales.Orders
+	OrderID,
+	CustomerID,
+	SalespersonPersonID,
+	PickedByPersonID,
+	ContactPersonID,
+	BackorderOrderID,
+	OrderDate,
+	ExpectedDeliveryDate,
+	CustomerPurchaseOrderNumber,
+	IsUndersupplyBackordered,
+	Comments,
+	DeliveryInstructions,
+	InternalComments,
+
+	-- from Sales.OrderLines
+	StockItemID,
+	Description,
+	PackageTypeID,
+	Quantity,
+	UnitPrice,
+	TaxRate,
+	PickedQuantity,
+	PickingCompletedWhen,
+	LastEditedBy,
+	LastEditedWhen
+) SELECT
+	a1.n1,
+	a2.n2,
+
+	-- from Sales.Orders
+	Sales.Orders.OrderID,
+	Sales.Orders.CustomerID,
+	Sales.Orders.SalespersonPersonID,
+	Sales.Orders.PickedByPersonID,
+	Sales.Orders.ContactPersonID,
+	Sales.Orders.BackorderOrderID,
+	Sales.Orders.OrderDate,
+	Sales.Orders.ExpectedDeliveryDate,
+	Sales.Orders.CustomerPurchaseOrderNumber,
+	Sales.Orders.IsUndersupplyBackordered,
+	Sales.Orders.Comments,
+	Sales.Orders.DeliveryInstructions,
+	Sales.Orders.InternalComments,
+
+	-- from Sales.OrderLines
+	Sales.OrderLines.StockItemID,
+	Sales.OrderLines.Description,
+	Sales.OrderLines.PackageTypeID,
+	Sales.OrderLines.Quantity,
+	Sales.OrderLines.UnitPrice,
+	Sales.OrderLines.TaxRate,
+	Sales.OrderLines.PickedQuantity,
+	Sales.OrderLines.PickingCompletedWhen,
+	Sales.OrderLines.LastEditedBy,
+	Sales.OrderLines.LastEditedWhen
+FROM Sales.Orders join Sales.OrderLines ON Sales.Orders.OrderID = Sales.OrderLines.OrderID
+	join (SELECT $node_id AS n1, StockItemID FROM Graph.StockItems) AS a1 ON a1.StockItemID = Sales.OrderLines.StockItemID
+	join (SELECT $node_id AS n2, CustomerID FROM Graph.Customers) AS a2 ON a2.CustomerID = Sales.Orders.CustomerID;
+
+-- populate edge table Graph.InvoiceLines_CustomersToStockItems from Sales.InvoiceLines and Sales.InvoiceLines
+INSERT INTO Graph.InvoiceLines_CustomersToStockItems (
+	$from_id,
+	$to_id,
+
+	-- from Sales.Invoices
+	InvoiceID,
+	CustomerID,
+	BillToCustomerID,
+	OrderID,
+	DeliveryMethodID,
+	ContactPersonID,
+	AccountsPersonID,
+	SalespersonPersonID,
+	PackedByPersonID,
+	InvoiceDate,
+	CustomerPurchaseOrderNumber,
+	IsCreditNote,
+	CreditNoteReason,
+	Comments,
+	DeliveryInstructions,
+	InternalComments,
+	TotalDryItems,
+	TotalChillerItems,
+	DeliveryRun,
+	RunPosition,
+	ReturnedDeliveryData,
+	ConfirmedDeliveryTime,
+	ConfirmedReceivedBy,
+
+	-- from Sales.InvoiceLines
+	InvoiceLineID,
+	StockItemID,
+	Description,
+	PackageTypeID,
+	Quantity,
+	UnitPrice,
+	TaxRate,
+	TaxAmount,
+	LineProfit,
+	ExtendedPrice,
+	LastEditedBy,
+	LastEditedWhen
+) SELECT
+	a1.n1,
+	a2.n2,
+
+	-- from Sales.Invoices
+	Sales.Invoices.InvoiceID,
+	Sales.Invoices.CustomerID,
+	Sales.Invoices.BillToCustomerID,
+	Sales.Invoices.OrderID,
+	Sales.Invoices.DeliveryMethodID,
+	Sales.Invoices.ContactPersonID,
+	Sales.Invoices.AccountsPersonID,
+	Sales.Invoices.SalespersonPersonID,
+	Sales.Invoices.PackedByPersonID,
+	Sales.Invoices.InvoiceDate,
+	Sales.Invoices.CustomerPurchaseOrderNumber,
+	Sales.Invoices.IsCreditNote,
+	Sales.Invoices.CreditNoteReason,
+	Sales.Invoices.Comments,
+	Sales.Invoices.DeliveryInstructions,
+	Sales.Invoices.InternalComments,
+	Sales.Invoices.TotalDryItems,
+	Sales.Invoices.TotalChillerItems,
+	Sales.Invoices.DeliveryRun,
+	Sales.Invoices.RunPosition,
+	Sales.Invoices.ReturnedDeliveryData,
+	Sales.Invoices.ConfirmedDeliveryTime,
+	Sales.Invoices.ConfirmedReceivedBy,
+
+	-- from Sales.InvoiceLines
+	Sales.InvoiceLines.InvoiceLineID,
+	Sales.InvoiceLines.StockItemID,
+	Sales.InvoiceLines.Description,
+	Sales.InvoiceLines.PackageTypeID,
+	Sales.InvoiceLines.Quantity,
+	Sales.InvoiceLines.UnitPrice,
+	Sales.InvoiceLines.TaxRate,
+	Sales.InvoiceLines.TaxAmount,
+	Sales.InvoiceLines.LineProfit,
+	Sales.InvoiceLines.ExtendedPrice,
+	Sales.InvoiceLines.LastEditedBy,
+	Sales.InvoiceLines.LastEditedWhen
+FROM Sales.Invoices join Sales.InvoiceLines ON Sales.Invoices.InvoiceID = Sales.InvoiceLines.InvoiceID
+	join (SELECT $node_id AS n1, CustomerID FROM Graph.Customers) AS a1 ON a1.CustomerID = Sales.Invoices.CustomerID
+	join (SELECT $node_id AS n2, StockItemID FROM Graph.StockItems) AS a2 ON a2.StockItemID = Sales.InvoiceLines.StockItemID;
+
+-- populate edge table Graph.InvoiceLines_StockItemsToCustomers from Sales.InvoiceLines and Sales.InvoiceLines
+INSERT INTO Graph.InvoiceLines_StockItemsToCustomers (
+	$from_id,
+	$to_id,
+
+	-- from Sales.Invoices
+	InvoiceID,
+	CustomerID,
+	BillToCustomerID,
+	OrderID,
+	DeliveryMethodID,
+	ContactPersonID,
+	AccountsPersonID,
+	SalespersonPersonID,
+	PackedByPersonID,
+	InvoiceDate,
+	CustomerPurchaseOrderNumber,
+	IsCreditNote,
+	CreditNoteReason,
+	Comments,
+	DeliveryInstructions,
+	InternalComments,
+	TotalDryItems,
+	TotalChillerItems,
+	DeliveryRun,
+	RunPosition,
+	ReturnedDeliveryData,
+	ConfirmedDeliveryTime,
+	ConfirmedReceivedBy,
+
+	-- from Sales.InvoiceLines
+	InvoiceLineID,
+	StockItemID,
+	Description,
+	PackageTypeID,
+	Quantity,
+	UnitPrice,
+	TaxRate,
+	TaxAmount,
+	LineProfit,
+	ExtendedPrice,
+	LastEditedBy,
+	LastEditedWhen
+) SELECT
+	a1.n1,
+	a2.n2,
+
+	-- from Sales.Invoices
+	Sales.Invoices.InvoiceID,
+	Sales.Invoices.CustomerID,
+	Sales.Invoices.BillToCustomerID,
+	Sales.Invoices.OrderID,
+	Sales.Invoices.DeliveryMethodID,
+	Sales.Invoices.ContactPersonID,
+	Sales.Invoices.AccountsPersonID,
+	Sales.Invoices.SalespersonPersonID,
+	Sales.Invoices.PackedByPersonID,
+	Sales.Invoices.InvoiceDate,
+	Sales.Invoices.CustomerPurchaseOrderNumber,
+	Sales.Invoices.IsCreditNote,
+	Sales.Invoices.CreditNoteReason,
+	Sales.Invoices.Comments,
+	Sales.Invoices.DeliveryInstructions,
+	Sales.Invoices.InternalComments,
+	Sales.Invoices.TotalDryItems,
+	Sales.Invoices.TotalChillerItems,
+	Sales.Invoices.DeliveryRun,
+	Sales.Invoices.RunPosition,
+	Sales.Invoices.ReturnedDeliveryData,
+	Sales.Invoices.ConfirmedDeliveryTime,
+	Sales.Invoices.ConfirmedReceivedBy,
+
+	-- from Sales.InvoiceLines
+	Sales.InvoiceLines.InvoiceLineID,
+	Sales.InvoiceLines.StockItemID,
+	Sales.InvoiceLines.Description,
+	Sales.InvoiceLines.PackageTypeID,
+	Sales.InvoiceLines.Quantity,
+	Sales.InvoiceLines.UnitPrice,
+	Sales.InvoiceLines.TaxRate,
+	Sales.InvoiceLines.TaxAmount,
+	Sales.InvoiceLines.LineProfit,
+	Sales.InvoiceLines.ExtendedPrice,
+	Sales.InvoiceLines.LastEditedBy,
+	Sales.InvoiceLines.LastEditedWhen
+FROM Sales.Invoices join Sales.InvoiceLines ON Sales.Invoices.InvoiceID = Sales.InvoiceLines.InvoiceID
+	join (SELECT $node_id AS n1, StockItemID FROM Graph.StockItems) AS a1 ON a1.StockItemID = Sales.InvoiceLines.StockItemID
+	join (SELECT $node_id AS n2, CustomerID FROM Graph.Customers) AS a2 ON a2.CustomerID = Sales.Invoices.CustomerID;
+
+
+-- populate edge table Graph.PurchaseOrderLines_StockItemsToSuppliers from Purchasing.PurchaseOrders and Purchasing.PurchaseOrderLines
+INSERT INTO Graph.PurchaseOrderLines_StockItemsToSuppliers (
+	$from_id,
+	$to_id,
+
+	-- from Purchasing.PurchaseOrders
+	PurchaseOrderID,
+	SupplierID,
+	OrderDate,
+	DeliveryMethodID,
+	ContactPersonID,
+	ExpectedDeliveryDate,
+	SupplierReference,
+	IsOrderFinalized,
+	Comments,
+	InternalComments,
+
+	-- from Purchasing.PurchaseOrderLines
+	PurchaseOrderLineID,
+	StockItemID,
+	OrderedOuters,
+	Description,
+	ReceivedOuters,
+	PackageTypeID,
+	ExpectedUnitPricePerOuter,
+	LastReceiptDate,
+	IsOrderLineFinalized,
+	LastEditedBy,
+	LastEditedWhen
+) SELECT
+	a1.n1,
+	a2.n2,
+
+	-- from Purchasing.PurchaseOrders.
+	Purchasing.PurchaseOrders.PurchaseOrderID,
+	Purchasing.PurchaseOrders.SupplierID,
+	Purchasing.PurchaseOrders.OrderDate,
+	Purchasing.PurchaseOrders.DeliveryMethodID,
+	Purchasing.PurchaseOrders.ContactPersonID,
+	Purchasing.PurchaseOrders.ExpectedDeliveryDate,
+	Purchasing.PurchaseOrders.SupplierReference,
+	Purchasing.PurchaseOrders.IsOrderFinalized,
+	Purchasing.PurchaseOrders.Comments,
+	Purchasing.PurchaseOrders.InternalComments,
+
+	-- from Purchasing.PurchaseOrderLines
+	Purchasing.PurchaseOrderLines.PurchaseOrderLineID,
+	Purchasing.PurchaseOrderLines.StockItemID,
+	Purchasing.PurchaseOrderLines.OrderedOuters,
+	Purchasing.PurchaseOrderLines.Description,
+	Purchasing.PurchaseOrderLines.ReceivedOuters,
+	Purchasing.PurchaseOrderLines.PackageTypeID,
+	Purchasing.PurchaseOrderLines.ExpectedUnitPricePerOuter,
+	Purchasing.PurchaseOrderLines.LastReceiptDate,
+	Purchasing.PurchaseOrderLines.IsOrderLineFinalized,
+	Purchasing.PurchaseOrderLines.LastEditedBy,
+	Purchasing.PurchaseOrderLines.LastEditedWhen
+FROM Purchasing.PurchaseOrders join Purchasing.PurchaseOrderLines ON Purchasing.PurchaseOrders.PurchaseOrderID = Purchasing.PurchaseOrderLines.PurchaseOrderID
+	join (SELECT $node_id AS n1, StockItemID FROM Graph.StockItems) AS a1 ON a1.StockItemID = Purchasing.PurchaseOrderLines.StockItemID
+	join (SELECT $node_id AS n2, SupplierID FROM Graph.Suppliers) AS a2 ON a2.SupplierID = Purchasing.PurchaseOrders.SupplierID;
+
+-- populate edge table Graph.PurchaseOrderLines_SuppliersToStockItems from Purchasing.PurchaseOrders and Purchasing.PurchaseOrderLines
+INSERT INTO Graph.PurchaseOrderLines_SuppliersToStockItems (
+	$from_id,
+	$to_id,
+
+	-- from Purchasing.PurchaseOrders
+	PurchaseOrderID,
+	SupplierID,
+	OrderDate,
+	DeliveryMethodID,
+	ContactPersonID,
+	ExpectedDeliveryDate,
+	SupplierReference,
+	IsOrderFinalized,
+	Comments,
+	InternalComments,
+
+	-- from Purchasing.PurchaseOrderLines
+	PurchaseOrderLineID,
+	StockItemID,
+	OrderedOuters,
+	Description,
+	ReceivedOuters,
+	PackageTypeID,
+	ExpectedUnitPricePerOuter,
+	LastReceiptDate,
+	IsOrderLineFinalized,
+	LastEditedBy,
+	LastEditedWhen
+) SELECT
+	a1.n1,
+	a2.n2,
+
+	-- from Purchasing.PurchaseOrders.
+	Purchasing.PurchaseOrders.PurchaseOrderID,
+	Purchasing.PurchaseOrders.SupplierID,
+	Purchasing.PurchaseOrders.OrderDate,
+	Purchasing.PurchaseOrders.DeliveryMethodID,
+	Purchasing.PurchaseOrders.ContactPersonID,
+	Purchasing.PurchaseOrders.ExpectedDeliveryDate,
+	Purchasing.PurchaseOrders.SupplierReference,
+	Purchasing.PurchaseOrders.IsOrderFinalized,
+	Purchasing.PurchaseOrders.Comments,
+	Purchasing.PurchaseOrders.InternalComments,
+
+	-- from Purchasing.PurchaseOrderLines
+	Purchasing.PurchaseOrderLines.PurchaseOrderLineID,
+	Purchasing.PurchaseOrderLines.StockItemID,
+	Purchasing.PurchaseOrderLines.OrderedOuters,
+	Purchasing.PurchaseOrderLines.Description,
+	Purchasing.PurchaseOrderLines.ReceivedOuters,
+	Purchasing.PurchaseOrderLines.PackageTypeID,
+	Purchasing.PurchaseOrderLines.ExpectedUnitPricePerOuter,
+	Purchasing.PurchaseOrderLines.LastReceiptDate,
+	Purchasing.PurchaseOrderLines.IsOrderLineFinalized,
+	Purchasing.PurchaseOrderLines.LastEditedBy,
+	Purchasing.PurchaseOrderLines.LastEditedWhen
+FROM Purchasing.PurchaseOrders join Purchasing.PurchaseOrderLines ON Purchasing.PurchaseOrders.PurchaseOrderID = Purchasing.PurchaseOrderLines.PurchaseOrderID
+	join (SELECT $node_id AS n1, SupplierID FROM Graph.Suppliers) AS a1 ON a1.SupplierID = Purchasing.PurchaseOrders.SupplierID
+	join (SELECT $node_id AS n2, StockItemID FROM Graph.StockItems) AS a2 ON a2.StockItemID = Purchasing.PurchaseOrderLines.StockItemID;
+
+GO
+
+/*
+Rebuild default indexes on node table. We advise against rebuilding default indexes on edge tables unless you eant to create a global view of all edge tables.
+Add nonclustered indexes 
+*/
+ALTER INDEX ALL ON Graph.Customers rebuild;
+ALTER INDEX ALL ON Graph.Suppliers rebuild;
+ALTER INDEX ALL ON Graph.StockItems rebuild;
+GO
+
+CREATE INDEX IX_InvoiceLines_CustomersToStockItems ON Graph.InvoiceLines_CustomersToStockItems ($from_id, $to_id);
+CREATE INDEX IX_InvoiceLines_StockItemsToCustomers ON Graph.InvoiceLines_StockItemsToCustomers ($from_id, $to_id);
+CREATE INDEX IX_OrderLines_CustomersToStockItems ON Graph.OrderLines_CustomersToStockItems ($from_id, $to_id);
+CREATE INDEX IX_OrderLines_StockItemsToCustomers ON Graph.OrderLines_StockItemsToCustomers ($from_id, $to_id);
+CREATE INDEX IX_PurchaseOrderLines_StockItemsToSuppliers ON Graph.PurchaseOrderLines_StockItemsToSuppliers ($from_id, $to_id);
+CREATE INDEX IX_PurchaseOrderLines_SuppliersToStockItems ON Graph.PurchaseOrderLines_SuppliersToStockItems ($from_id, $to_id);
+GO

samples/features/sql-graph/top_10_buyers.sql

@@ -0,0 +1,25 @@
+/*
+Find the top 10 buyers who purchased a specific item ordered by how much they spent
+Using graph tables
+Using regular tables
+*/
+
+-- using graph tables
+SELECT top (10) sum(OrderLines_StockItemsToCustomers.UnitPrice * OrderLines_StockItemsToCustomers.Quantity) AS TotalSpendingOnItem, CustomerName, Customers.CustomerID
+FROM Graph.Customers, Graph.OrderLines_StockItemsToCustomers, Graph.StockItems
+WHERE MATCH (StockItems - (OrderLines_StockItemsToCustomers) -> Customers)
+	and StockItems.StockItemName = 'Chocolate frogs 250g'
+GROUP BY Customers.CustomerID, Customers.CustomerName
+ORDER BY TotalSpendingOnItem DESC, Customers.CustomerName ;
+go
+
+-- using regular tables
+SELECT top (10) sum(q2.UnitPrice * q2.Quantity) AS TotalSpendingOnItem, q4.CustomerName, q4.CustomerID
+FROM (SELECT StockItemID, StockItemName FROM Warehouse.StockItems) AS q1
+	join (SELECT StockItemID, OrderID, Quantity, UnitPrice FROM Sales.OrderLines) AS q2 ON q1.StockItemID = q2.StockItemID 
+	join (SELECT OrderID, CustomerID FROM Sales.Orders) AS q3 ON q2.OrderID = q3.OrderID
+	join (SELECT CustomerID, CustomerName FROM Sales.Customers) AS q4 ON q3.CustomerID = q4.CustomerID
+WHERE q1.StockItemName = 'Chocolate frogs 250g'
+GROUP BY q4.CustomerID, q4.CustomerName
+ORDER BY TotalSpendingOnItem DESC, q4.CustomerName ;
+go