Does group by remove duplicates?

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What is left join in postgresql?

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I have a small PL/SQL Block assume in this way begin select * from emp where empno=100; exception when others then <Some Messages> when no_data_found then <Some Messages> when too_many_rows then <Some Messages> end; The question which he asked was whether this block will get executed normally or it will throw error ? If errored out then what is the reason for the error ? Could anybody please help me ? Regards Nakul Venkataraman

3 Answers   Satyam,

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how to create a database in oracle?please gve anser with example

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how to give permission to users that users can update/insert/delete on a row of table on timeing 10am to 6pm only?

4 Answers   TCS,

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What is data profiling in sql?

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What is compilation error in pl sql?

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Hi all, I am going to write oracle certification. Can anyone send me the dumps available if any for OCA exam? Its really very urgent, prompt response will help me alot..

8 Answers  

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How do you sort in sql?

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What is a data definition language?

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What is graph sql?

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what are the drivers in mysql? : Sql dba

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