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3.11 Analysis of the architecture of network databases

3.11 Analysis of the architecture of network databases

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Content

Introduction ..................................................... ........................................................ ....................4

1 Database management systems……………………….……………………….7

1.1 Basic concepts of network database architecture .............................................. 12

1.2 Processing of distributed data……………………………………...15

1.3 Data protection means in the database……….……………………….……......24

2 Architecture of network databases ..............................................29

2.1 Network structures………………………………………………………..31

2.2 Relational structures…………………………………………………….34

2.3 Object-oriented DBMS…………………………………………37

2.4 Types of network databases…………………………………………………….40

3 Designing a network database…………………….………........................43

3.1 SQL database management language……………………………………46

3.2 Security of network databases…………………………………….48

3.3 Use of transaction…….…………………………………... ……….50

Conclusion………………………………………………………………………………53

Glossary………………………………………………………………………………………….. 56

List of sources used………………………………………………………59

List of abbreviations………………………………………………………………………………….62

Appendix A SQL Operators…………………………………………………………..63

Appendix B Structure of a hierarchical and network DBMS…………………………64

Additional information

Diploma Cm. Standard 2008 is goda.S diploma handout report

3.11 Analysis of the architecture of network databases