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Old 06-01-2018, 10:17 AM   #1
Pavan Techn
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What is the usage of SQL functions?

SQL functions are used for following purpose:

To perform calculations on data.
To modify individual data items.
To manipulate the output.
To format dates and numbers.
To convert data types.
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Old 09-03-2019, 01:34 AM   #2
smith1
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SQL functions are used extensively in databases to manipulate and process data. All SQL systems have built-in as well as user-defined SQL functions. SQL functions can act on each individual row of data or on multiple rows of data grouped on the values of a field (or fields) in the table.
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