Indicates the format of the USER identification that is passed to CA Datacom/DB with each request.
When external security is used, specifying USERID=NO forces CA Datacom/DB to use the 3-byte operator ID (CICS OPERID) instead of the 8-byte user ID (CICS USERID). In a RACF environment, USERID=NO means that CA Datacom/DB uses the 3-byte operator ID, not the group ID, to secure the database. In CA Datacom CICS Services r2.5 and before, if USERID=NO and external security was in use, CA Datacom/DB used an 8-byte user ID to secure the database.
Specifying USERID=YES forces CA Datacom/DB to use the 8-byte CICS USERID.
Beginning with r11, security integrity has been enhanced so that the same USERID/OPERID is used for the entire duration of the transaction/task. This secures data from transactions where users sign off in the middle of transactions, that is, it prevents such transactions from getting a USERID/OPERID that has more security rights than the original user.
The USERID and OPERID are obtained from the EXEC CICS ASSIGN command. It is possible to have other OPERID/USERIDs that need to be secured.
YES, NO
NO
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