SQL – Useful Functions
SQL has many built-in functions for performing processing on string or numeric data. Following is the list of all useful SQL built-in functions −
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– The SQL COUNT aggregate function is used to count the number of rows in a database table.
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– The SQL AVG aggregate function selects the average value for certain table column.
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– The SQL SUM aggregate function allows selecting the total for a numeric column.
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– This is used to generate a square root of a given number.
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– This is used to generate a random number using SQL command.
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– This is used to concatenate any string inside any SQL command.
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– Complete list of SQL functions required to manipulate numbers in SQL.
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– Complete list of SQL functions required to manipulate strings in SQL.
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