## VALUE(x,y,...)

VALUE(x,y,...) is a special function that can be used to replace NULL values with a non-NULL value.

The arguments (expressions) of the VALUE function must be comparable. The expressions are evaluated one after the other in the specified order.

| Result of the VALUE(x,y,...) function
One of the arguments is a non-NULL value | The first non-NULL value that occurs
Each argument is a special NULL value | Special NULL value
Each argument is a NULL value | NULL value

### Examples

SQL Tutorial, Converting Values