Answer Posted / payal

well is it mean NCOPY command ..?

What are the popular database management systems in the it industry?

949

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What is before and after trigger?

915

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Table 1: col1 Timestamp ---------------- 01-mar-2012 11:12:46 Table 2: col2 Timestamp -------------------- 01-mar-2012 11:12:10 01-mar-2012 11:11:23 Write a query to display a row with table2 col2 value less than tabl1 col1 value. Maximum timestamp value previous to table1 col1 value. Display a result as: Col1 col2 ----- ----- 01-mar-2012 11:12:46 01-mar-2012 11:12:10

2083

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What is numeric function sql?

1025

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Is big data nosql?

906

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Is it possible to create the following trigger: before or after update trigger for each row?

1258

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What is an index? What are the types of indexes? How many clustered indexes can be created on a table?

1021

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How to rename a table?

984

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What is thread join () in threading?

976

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How can the performance of a trigger be improved?

1011

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How do you concatenate in sql?

996

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how to use myisamchk to check or repair myisam tables? : Sql dba

930

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What is substitution variable in pl sql?

1000

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Is a foreign key always unique?

906

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How do I view a table in sql?

982

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