Boolean types v14
EDB Postgres Advanced Server provides the standard SQL type BOOLEAN. BOOLEAN can have one of only two states: TRUE or FALSE. A third state, UNKNOWN, is represented by the SQL NULL value.
| Name | Storage size | Description |
|---|---|---|
BOOLEAN | 1 byte | Logical Boolean (true/false) |
The valid literal value for representing the true state is TRUE. The valid literal for representing the false state is FALSE.