- 12.1 Database Systems: Query Interpretation
- 12.2 Database Systems: Equivalence of Expressions
- 12.3 Database Systems: Estimation of Query-Processing Cost
- 12.4 Database Systems: Estimation of Access Costs Using Indices
- 12.5 Database Systems: Join Strategies
- 12.6 Database Systems: Join Strategies for Parallel Processors
- 12.7 Database Systems: Structure of the Query Optimizer
