Value Checking
Todo
- BETWEEN: Checks if a value is within a range of values.
- IN_LIST: Checks if a value is within a list of values.
- IS_NULL: Checks if a value is NULL.
- EXISTS: Checks if a subquery returns any rows.
- BETWEEN: Checks if a value is within a range of values.
- IN_LIST: Checks if a value is within a list of values.
- IS_NULL: Checks if a value is NULL.
- EXISTS: Checks if a subquery returns any rows.