Glossary C
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CALC table
Table in the direct/indirect CALC page whose entries point to the stored records.
Each line contains:
–the CALC key,
–the record sequence number
– the displacement to the related page index entry (direc t CALC page) or the
probable position pointer (indirect CALC page).
CALL DML
DML that is called by various programming languages (Assembler, COBOL,
FORTRAN, PASCAL, PL/1) via the CALL interface.
catalog identifier
Name of the public volume set (PVS) under which the BS2000/UDS/SQL files
are stored. The catalog identifier is par t of the database or file name and must
be enclosed in colons: “:catid:”.
chain
Storage mode for a set occurrence in which every record contains a pointer to the
subsequent record.
Character Separated Values (CSV)
Output format in which the values are separated by a predefined character.
checkpoint
Consistency point, at which the ALOG file was changed and to which it is possible
to return at any time using BMEND utility routine
check records
Elements which provide information for checking the database. They vary in
length from 20 to 271 bytes.
CHECK-TABLE
Check table produced by the DDL compiler during Subschema DDL compilation,
and used by the COBOL compiler and CALL DML to check whether the DML
statements specified in the application program are permitted. It is part of the
COSSD or SSITAB module.