Some keywords in the transformation language, such as constants, operators, and built-in variables, are reserved for specific functions. These include:
:INFA
:LKP
:MCR
:TYPE
AND
DD_DELETE
DD_INSERT
DD_REJECT
DD_UPDATE
FALSE
NOT
NULL
OR
PROC_RESULT
SPOUTPUT
SYSDATE
TRUE
You cannot use a reserved word to name a port or local variable. You can only use reserved words within transformation expressions. Reserved words have predefined meanings in expressions.