ACCESSCTRL: for granting and revoking AUTHORITIES and privileges (except for SECADM, DBADM, ACCESSCTRL, and DATAACCESS authority SECADM authority is required to GRANT and revoke these authorities)
DATAACCESS: for accessing data
SQLADM: for monitoring and tuning SQL queries
WLMADM: for managing workloads
EXPLAIN: for doing explain query plans (EXPLAIN authority does not give access to the data itself
LOAD: Users with LOAD authority are allowed to perform the following tasks: Quiesce or query the state of a tablespace Perform bulk-load operations by using the LOAD command Collect catalogue statistics by using the RUNSTATS command