Following is the list of all useful SQL built-in functions:
- COUNT - The SQL COUNT aggregate function is used to count the number of rows in a database table.
- SQRT - This is used to generate a square root of a given number.
- RAND - This is used to generate a random number using SQL command.
- MAX - The SQL MAX aggregate function allows us to select the highest (maximum) value for a certain column.
- MIN - The SQL MIN aggregate function allows us to select the lowest (minimum) value for a certain column.
- CONCAT - This is used to concatenate any string inside any SQL command.
- Numeric - Complete list of SQL functions required to manipulate numbers in SQL.
- String - Complete list of SQL functions required to manipulate strings in SQL.
- AVG - The SQL AVG aggregate function selects the average value for certain table column.
- SUM - The SQL SUM aggregate function allows selecting the total for a numeric column.