DATEDIFF is a common function in the SQL Server to find the number of days between two dates. Oracle offers its own solution, although does not have the DATEDIFF function. You have the right to access ...
On 18 April 2025 a poster asked a question on the AskTom Oracle forum: Solving a logical problem using analytical functions. The problem turned out to be surprisingly difficult to solve in pure SQL. I ...
Design a normalized schema (3NF/BCNF) for Products, Warehouses/Locations, Inventory_Levels, Suppliers, Purchase_Orders, Sales_Orders, Audit_Logs, etc. Utilize advanced data types, constraints (CHECK, ...
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