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Conceptual Data Base Design
Using an Index
9 other sections not shown
acct activity algorithm amount of data amount of I/O analysis archival analyst archival data archival environment balance base table batch processing batch window bill of material buffer bytes clustered COBOL created cross-reference table data base design data elements data relationships data structures Database DB.BEG DB.END DB.LIMIT DB.RATE DB2 data deleted denormalization DESCR Employee Number encoded example execution exist Fast Path foreign key I/O required IBM Manual index entries infinite loop iteration level count living sample logical multiple NEWLIMIT NEWRATE normal occurrences of data occurs online environment online performance option part-supplier PARTNO peak-period processing physical data base pointer primary key processor production environment query RATE.TABLE recursive referential integrity retrieve scan SELECT separate sequential shown in Figure simple split SQL program stack stored subassemblies supplier table suppose table contains TX.BEG TX.END TX.LIMIT TX.RATE undesigned transactions update usage values variable length fields VSAM