The following slides discuss various database models.

Slide 5.1: Historical development of databases
Slide 5.2: Network data model
Slide 5.3: Relational data model
Slide 5.4: Limitations of relational data model
Slide 5.5: Object-oriented data model
Slide 5.6: Object-relational data model
Slide 5.7: NoSQL data model
Slide 5.8: Database market share
Slide 5.9: Database market share (cont.)
Slide 5.10: Database market share (cont.)
Slide 5.11: Whatever happened to object-oriented databases?
Slide 5.12: NoSQL databases
Slide 5.13: NoSQL databases (cont.)

  ☂ References

Slide 5.a: What are databases?
Slide 5.b: Database types
Slide 5.c: Database scaling
Slide 5.d: SQL vs NoSQL







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