Why do we use sql constraints?
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What are the Restrictions on Cursor Variables?
How to test for null values?
Table Order_Name has a column Order_Date which gives the date & Time at which the order is passed.Find the table to write a query to find out the latest order.
Does pl/sql support create command?
How do you truncate?
What is a variable in sql?
What is a heap in sql?
What is rename in sql?
What is a table in a database?
Explain the two type of Cursors ?
i need department wise top 2 employees salary.which logic i will use
Is not equal in sql?