Practical Database Management

alphanumeric application backup batch BILL BILL KEY block buffer area bytes central storage COBOL command computer system contains create cursor DASD data entities data set Database Design database structure database system DB2 catalog DBADM dBASE DBDGEN DBMS DBRM define delete dependent segments dependent table DEPTNUMB disk display EBCDIC EMPLOYEE table EMPLOYEE_ID end users END-EXEC example EXEC SQL execute Figure FIRSTNAME foreign keys format Forms Screen function hierarchical databases IDMS/R IMS database input INSERT language LASTNAME logical mainframe manager master file memory menu microcomputer multiple normalization NULL operating system option output PAYMENT PAYROLL perform PLCY segment pointer primary key query record referential integrity relational database relationships RID value schema SELECT sequential file SQL statement SQL/DS subschema SYSADM tablespace update user department user's variable VSAM