What is an index in sql with example?

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Can a foreign key be a duplicate?

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how to insert values like 10:10:00,30:25:00 etc.into table after insert how can i sum the above insert values to get the result as 40:35:00

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define sql update statement ? : Sql dba

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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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Is it possible to link two groups inside a cross products after the cross products group has been created?

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Is sql considered coding?

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If 100 tables are there in user_tables.I want to find in which table zero records are there with table name.Is it possible?

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What are the differences between in and exists clause?

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What is the different between Stored Procedure and Procedure?

7 Answers   Informatica, MIS,

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How to export the table data (this table having 18 million records) to .csv file. Please tell me is there any faster way to export the data.

8 Answers  

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what does the t-sql command ident_incr does? : Transact sql

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