Which normal form is best?
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Which one is better subquery or joins?
How do I get sql certification?
why sql is used as interpreter frequently rather than a compile?
Can we use commit or rollback in trigger? If yes, then how. Please explain with a suitable example?
What is the diffrence between IN and EXISTS.which one is faster.
How many LONG columns are allowed in a table?
how to convert numeric values to character strings? : Sql dba
select 10 from dual; y its showing all the rows with 10?
Why do we use subquery?
When is a declare statement required?
What is Highwatermark?
What are the modes of parameters that can be passed to a procedure ?
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