- Dedication
- Preface
- 1. Laying Plans
- 1.1. The Relational View of Data
- 1.2. The Importance of Being Normal
- 1.3. To Be or Not to Be, or to Be Null
- 1.4. Qualifying Boolean Columns
- 1.5. Understanding Subtypes
- 1.6. Stating the Obvious
- 1.7. The Dangers of Excess Flexibility
- 1.8. The Difficulties of Historical Data
- 1.9. Design and Performance
- 1.10. Processing Flow
- 1.11. Centralizing Your Data
- 1.12. System Complexity
- 1.13. The Completed Plans
- 2. Waging War
- 2.1. Query Identification
- 2.2. Stable Database Connections
- 2.3. Strategy Before Tactics
- 2.4. Problem Definition Before Solution
- 2.5. Stable Database Schema
- 2.6. Operations Against Actual Data
- 2.7. Set Processing in SQL
- 2.8. Action-Packed SQL Statements
- 2.9. Profitable Database Accesses
- 2.10. Closeness to the DBMS Kernel
- 2.11. Doing Only What Is Required
- 2.12. SQL Statements Mirror Business Logic
- 2.13. Program Logic into Queries
- 2.14. Multiple Updates at Once
- 2.15. Careful Use of User-Written Functions
- 2.16. Succinct SQL
- 2.17. Offensive Coding with SQL
- 2.18. Discerning Use of Exceptions
- 3. Tactical Dispositions
- 4. Maneuvering
- 5. Terrain
- 5.1. Structural Types
- 5.2. The Conflicting Goals
- 5.3. Considering Indexes as Data Repositories
- 5.4. Forcing Row Ordering
- 5.5. Automatically Grouping Data
- 5.6. The Double-Edged Sword of Partitioning
- 5.7. Partitioning and Data Distribution
- 5.8. The Best Way to Partition Data
- 5.9. Pre-Joining Tables
- 5.10. Holy Simplicity
- 6. The Nine Situations
- 6.1. Small Result Set, Direct Specific Criteria
- 6.2. Small Result Set, Indirect Criteria
- 6.3. Small Intersection of Broad Criteria
- 6.4. Small Intersection, Indirect Broad Criteria
- 6.5. Large Result Set
- 6.6. Self-Joins on One Table
- 6.7. Result Set Obtained by Aggregation
- 6.8. Simple or Range Searching on Dates
- 6.9. Result Set Predicated on Absence of Data
- 7. Variations in Tactics
- 8. Weaknesses and Strengths
- 9. Multiple Fronts
- 10. Assembly of Forces
- 10.1. Increasing Volumes
- 10.2. Data Warehousing
- 11. Stratagems
- 11.1. Turning Data Around
- 11.2. Querying with a Variable in List
- 11.3. Aggregating by Range (Bands)
- 11.4. Superseding a General Case
- 11.5. Selecting Rows That Match Several Items in a List
- 11.6. Finding the Best Match
- 11.7. Optimizer Directives
- 12. Employment of Spies
- PHOTO CREDITS
- About the Authors
- About the Author
- Copyright
Dedication
The French humorist Alphonse Allais (1854–1905), once dedicated one of his short stories as follows:
To the only woman I love and who knows it well.
... with the following footnote:
This is a very convenient dedication that I cannot recommend too warmly to my fellow writers. It costs nothing, and can, all at once, please five or six persons.
I can take a piece of wise advice when I meet one.
—STÉPHANE FAROULT
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