A Function is used to perform a specific / particular task, true, false, functions that work on a single row to return a single value., Single row functions, Multiple row functions, functions that work on a multiple rows to return a single value., Single row functions, Multiple row functions, functions that perform operations on numeric values and return numeric values., String functions, Date and Time functions, Numeric functions, functions that perform operations on character type values and return either character or numeric values, String functions, Date and Time functions, Numeric functions, functions that perform operations on date type values, String functions, Date and Time functions, Numeric functions

functions in SQL

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