What is the main reason behind using an index?
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What is the command used to fetch first 5 characters of the string?
What is difference between stored function and application function?
What is difference between nchar and nvarchar?
what is an execution plan? When would you use it? How would you view the execution plan? : Sql dba
Mention what is the use of function "module procedure" in pl/sql?
State the advatage and disadvantage of Cursor's?
how can we destroy the session, how can we unset the variable of a session? : Sql dba
Is primary key a clustered index?
Why indexing is needed?
What is the use of function in sql?
What is $$ in sql?
What does select top 1 do in sql?
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