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DATA FLOW DIAGRAMS
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action diagrams ADDR auto AUTO-CARD AVAILABLE-TAPES Boyce/Codd normal form BROKER-NAME candidate keys CHILD-NAME client common processing routine condition context diagram CUSTM-ADDR CUSTM-NAME CUSTOMER-NAME CUSTOMER-RECORD customer's CUSTOMERS-ACCOUNT data base data dictionary data flow diagram data-base decision table decision tree defined E-R diagram ECA ECA EFA EFA Endcase Endif entry essential custodial activity essential fundamental activity essential memory event diagram example EXCHG external event Figure foreign key fundamental activity EFA IAA ECA identify infrastructure input data flow input/output processing chart INVOICE mini-spec MINI-SPECIFICATION nonkey attribute object data stores output data flow PRICE primary key process 4.0 processes and data Processor Requirements pseudocode real-time systems RECEIPT-COPY-1 relationship rent RENTALS responsible scenario second normal form SHIPPING-COST SHIPPING-INVOICE shown in Fig statements structured specification TAPE-CHIP TAPE-LIBR TAPE-NUMBER TAPE-RATING target process third normal form transaction update users Video Tape Wholesaler