bdfm1m0yMessages (System Error, Online, Offline) and Master Glossary

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central descriptor table
Deprecated term for database definition (DBDEF) table.

chain chasing
The phase during recoup when defined record chains are read to determine pool usage.

chaining
The method the TPFDF product uses to link overflow blocks to a prime block in a subfile.

checkpoint
In detac mode, a process in which all the blocks currently in storage are written to DASD. See also detac mode.

child node
In a B+Tree index, a node that originates from, and is pointed to by, a higher-level parent node. See parent node and sibling node.

capture/restore utility, information and statistics environment (CRUISE)
The overall process of validation, capture, and recovery based on file information stored in the TPFDF database definition (DBDEF).

capture/restore utility, information and statistics environment (CRUISE) commands
The ZFCRU commands that perform CRUISE functions.

capture/restore utility, information and statistics environment (CRUISE) function
The process that performs the steps specified by a parameter table.

CRUISE
Capture/restore utility, information and statistics environment.

current LREC
The logical record (LREC) that is being referenced from field SW00REC in the SW00SR slot for the subfile. The current LREC is used by TPFDF macros and functions while processing the subfile. For example, the current LREC can be used as the starting point for locating another LREC while processing a DBRED macro or dfred function.