https://www.ibm.com/docs/en/db2w-as-a-service?topic=registers-current-sql-ccflags
CURRENT SQL_CCFLAGS special register
The CURRENT SQL_CCFLAGS special register specifies the conditional compilation named constants that are defined for use during compilation of SQL statements.
currentsqlspecialregister
https://www.ibm.com/docs/en/db2/11.5.x?topic=parameters-sql-ccflags-conditional-compilation-flags
sql_ccflags - Conditional compilation flags configuration parameter
This parameter contains a list of conditional compilation values for use in conditional compilation of selected SQL statements.
conditional compilationsqlflagsconfigurationparameter