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USAGE PATH ANALYSIS
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access methods access paths access requirements Advertised Item application program attribute base management systems batch bi-directional bytes CLOCK-NO created CUST-NAME CUST-TELNO Customer customer's data administration data base management data base records data base systems data dictionary data elements data model data requirements data set deduction records defined delete dependent segment employee's entity entity/attribute list example first-cut foreign key HDAM HIDAM HISAM I/O area inventory ISSUE-DATE Item Ordered JOB-NO Judy Davis key field linkage linkage mechanism Location Mode logical child logical relationships MAG-CODE Magazine Edition on-line Ordered record PART-NO performance physical data base pointer chains Price List primary key problem record type recovery relational data base relational DBMS retrieved rotational delay rows second normal form secondary index sequential solution specified STOCK-NO storage stored structure SUPP-CODE Supplier third normal form unique identifier updates usage analysis usage path VSAM