Do ddl statements need commit?
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What is user in sql?
What is the difference between unique and primary key constraints?
how can we find the select statement is indexed or not?
Can you select everything, but 1 or 2 fields, without writer's cramp?
What are all the ddl commands?
What is the cause of mutating table error and how can we solve it?
Can we write dml inside a function in sql server?
What is scope of pl sql developer in future?
Is not null in sql?
what is Hash join?how it is different from inner join?what is the sign used for inner join?(eg: like the (+) sign used for outer join)?
What is data control language (dcl)?
..........refers to the disk mirroring