What are SQL functions in oracle?

What are SQL functions in oracle?

There are two types of SQL functions in Oracle. User defined and Predefined functions. User defined functions are written by the user and predefined are the inbuilt functions in Oracle. SQL functions here are being referred to Predefined functions. These functions when called with an unexpected data type argument, Oracle attempts to convert the argument to the expected data type before performing the SQL function. MIN, MAX, ROUND etc are some functions in Oracle.

What are SQL functions in oracle?

There are two types of functions –

- Single row that operates row by row.
- Group function operates on multiple rows.

- Functions that fall under single functions are Date, Numeric, Character, Conversion and miscellaneous function
- Functions that fall under group functions are avg, max, min, count, and sum.
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