bdfm1m1cMessages (System Error, Online, Offline) and Master Glossary

S

SAPR
Deprecated term for parametric recoup.

SAT
Search argument table.

search argument table (SAT)
A table that contains the selection criteria used during a selective restore.

selection key list
A key list that allows the TPFDF product to search for logical records by comparing program-provided search arguments against specified data fields in the logical record.

sibling node
In a B+Tree index, one of two or more child nodes that share the same parent node. See also child node and parent node.

sort/merge key list
A key list that determines how LRECs are sorted into the output file on a sort or merge operation.

standard header
Synonym for block header.

subfile
A logical subdivision of a file. A subfile consists of one prime block and, optionally, one or more overflow blocks.

subLREC
An item of data, normally consisting of several fields, that is contained in an extended LREC. A program can add, delete, or modify subLRECs in any extended LREC.

SW00SR slot
An area in the database interface block (DBIFB) that contains control information and work space relating to an open subfile.