Database Processing |
Contents
FUNDAMENTALS | 19 |
Data Structures | 57 |
MultipleKey Database Processing | 93 |
Copyright | |
13 other sections not shown
Common terms and phrases
ADABAS ADVISOR application program attribute bytes candidate key chain chapter CNAME COBOL CODASYL command complex contains costs credit limit current of run-unit cylinder data base data dictionary data items data set data structure database file database records database system DBTG model defined deleted described direct file disk DL/I entry example FACULTY record field GRADE IDMS implementation indexed sequential file inserted inverted file JOBHIST JOBSAL LDBR linked list location mode logical MAGNUM MAJOR-DEPT master record modify node obtain occurrence table operations organization overflow area password PDBR physical file physical record PL/I PNAME pointers primary key record number record occurrence record type relational algebra relational model relationship relative record represent retrieve schema secondary key segment shown in figure SNAME SNUM specified statements station number student number STUDENT record subschema SUPERVISOR technique tree tuple unused update values table variable records