What is trigger in pl sql?
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In a PL/SQL block,which loop type should be used in a performance point of view & Why (as both loops can do the same task) 1) open - Fetch loop 2) for loop
What is faster join or subquery?
What is nosql db?
Mention what does plvtab enables you to do when you showthe contents of pl/sql tables?
which command using query analyzer will give you the version of sql server and operating system? : Sql dba
What does “select count(*) from tab” result?
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What are the Restrictions on Cursor Variables?
What are the basic techniques of indexing?
What is sql partition?
Write a query to find the names of users that begin with "um" in sql?
How do you retrieve the last N records from a table?
Why self join is used in sql?
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