What is user in sql?
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i need department wise top 2 employees salary.which logic i will use
select * from emp where sal in(select max(sal) from emp) here there is any limit for in operator how many values accpect ?
How many sql are there?
What are pl/sql exceptions? Tell me any three.
What is dcl in sql?
What is oracle sql called?
How bulk collect improves performance?
IF i write before / after insert / update trigger and i do rollback what will happen?
What is the difference between local and global temporary table?
What is assignment operator in pl sql?
What is a cursor for loop ?
how to implement one-to-one, one-to-many and many-to-many relationships while designing tables? : Sql dba
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