DB2 LUW supports the following special registers:
- USER
- CURRENT DATE
- CURRENT DEGREE
- CURRENT EXPLAIN MODE
- CURRENT EXPLAIN SNAPSHOT
- CURRENT FUNCTION PATH
- CURRENT NODE
- CURRENT PATH
- CURRENT QUERY OPTIMIZATION
- CURRENT SERVER
- CURRENT TIME
- CURRENT TIMESTAMP
- CURRENT TIMEZONE
- CURRENT SQLID
See your DB2 LUW SQL Reference for details on any additional special registers that may be supported.