Why do we use sql constraints?


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More SQL PLSQL Interview Questions

What are the Restrictions on Cursor Variables?

2 Answers  


How to test for null values?

0 Answers  


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.

5 Answers   Thomson,


Does pl/sql support create command?

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How do you truncate?

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What is a variable in sql?

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What is a heap in sql?

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What is rename in sql?

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What is a table in a database?

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Explain the two type of Cursors ?

8 Answers   Hi Caliber IT,


i need department wise top 2 employees salary.which logic i will use

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Is not equal in sql?

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