Database Processing: Fundamentals, Design, ImplementationInformation Systems -- Database Management. |
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Page 519
... IDMS / R CHAPTER 14 • • · What Is a CODASYL DBTG DBMS ? IDMS / R Database Definition and Access • IDMS / R Physical Storage • IDMS / R Data Definition • IDMS / R Data Manipulation Facilities • IDMS / R Concurrent Processing and Recovery • ...
... IDMS / R CHAPTER 14 • • · What Is a CODASYL DBTG DBMS ? IDMS / R Database Definition and Access • IDMS / R Physical Storage • IDMS / R Data Definition • IDMS / R Data Manipulation Facilities • IDMS / R Concurrent Processing and Recovery • ...
Page 561
... IDMS / R is not a DBMS product that a layperson might employ to develop his or her own database and applications . An Example of an IDMS / R Application Program In this ... IDMS / R precompiler CODASYL DBTG Implementation with IDMS / R 561.
... IDMS / R is not a DBMS product that a layperson might employ to develop his or her own database and applications . An Example of an IDMS / R Application Program In this ... IDMS / R precompiler CODASYL DBTG Implementation with IDMS / R 561.
Page 567
... IDMS / R . Although IDMS / R includes some relational - like features , in this chapter we considered only the DBTG features of the product . IDMS / R differs from the DBTG model in several ways . IDMS / R sup- ports areas , but the ...
... IDMS / R . Although IDMS / R includes some relational - like features , in this chapter we considered only the DBTG features of the product . IDMS / R differs from the DBTG model in several ways . IDMS / R sup- ports areas , but the ...
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Common terms and phrases
1:N relationships Activity advisor Application Development application programs APPOINTMENT attributes binary relationships cation changes Chapter Class COBOL components constraints contains CUSTOMER data dictionary data items database administration database application database design database processing database system dataflow diagram DBMS engine DBMS products define delete DEPARTMENT object display DK/NF documentation domain definitions domain/key normal form EMPLOYEE entity example faculty file processing systems foreign key format fourth normal form functional dependency identify implementation interface invoice logical Major many-to-many menus meta-data microcomputer modification anomalies modify multi-user multivalued dependencies object diagrams object instance object property operations overhead data personnel phase problem query relational model represent requirements SALESPERSON Samantha schedule screen second normal form shown in Figure Sname stored structure STUDENT data STUDENT object student records Student-ID subschema system development third normal form tion transaction processing programs tuple update user's