INTERVIEW QUESTIONS MAINFRAME CICS DETAILS

Question: Name some of the common tables in CICS and their usage?

Answer: PCT Program Control Table - defines each transaction, containing a list of valid transaction identifiers (transid) where each transaction is paired with its matching program
PPT Program Processing Table - contains a list of valid program names and maps and whether a current version is in the CICS region or needs to be brought in as a new copy
FCT File Control Table - contains a list of files known to CICS, the dataset name and status (closed/open, enabled/disabled)
TCT Terminal Control Table - a list of the terminals known to CICS.

PCT Program Control Table - defines each transaction, containing a list of valid transaction identifiers (transid) where each transaction is paired with its matching program
PPT Program Processing Table - contains a list of valid program names and maps and whether a current version is in the CICS region or needs to be brought in as a new copy
FCT File Control Table - contains a list of files known to CICS, the dataset name and status (closed/open, enabled/disabled)
TCT Terminal Control Table - a list of the terminals known to CICS.
Source: CoolInterview.com

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