Define union, minus, union all, intersect ?
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what is global temporary tables and how use that tables in pl/sql packages
What is the left table in sql?
What is an Exception ? What are types of Exception ?
what is schema? : Sql dba
I am creating an index on Emp table Empno column,if u using this indexed column in ur SELECT stmt. where clause,then how do u know that yr index will be working or nor? Thanks Advance...
display your age in months?
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What are inbuilt functions in sql?
how to debugg a procedure or package using dbms_output.put_line in plsql
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