-- Inventory table over which the SQL Server external table will be defined
CREATE TABLE "INVENTORY"
(
    "INV_DATE" NUMBER(10,0) NOT NULL,
    "INV_ITEM" NUMBER(10,0) NOT NULL,
    "INV_WAREHOUSE" NUMBER(10,0) NOT NULL,
    "INV_QUANTITY_ON_HAND" NUMBER(10,0)
);

CREATE INDEX INV_ITEM ON HR.INVENTORY(INV_ITEM);