Chapter 62. Built-in Index Access Methods# Chapter 62. Built-in Index Access MethodsChapter 62. Built-in Index Access MethodsPrev UpPart VII. InternalsHome NextChapter 62. Built-in Index Access MethodsTable of Contents62.1. B-Tree Indexes62.1.1. Introduction62.1.2. Behavior of B-Tree Operator Classes62.1.3. B-Tree Support Functions62.1.4. Implementation62.2. GiST Indexes62.2.1. Introduction62.2.2. Built-in Operator Classes62.2.3. Extensibility62.2.4. Implementation62.2.5. Examples62.3. SP-GiST Indexes62.3.1. Introduction62.3.2. Built-in Operator Classes62.3.3. Extensibility62.3.4. Implementation62.3.5. Examples62.4. GIN Indexes62.4.1. Introduction62.4.2. Built-in Operator Classes62.4.3. Extensibility62.4.4. Implementation62.4.5. GIN Tips and Tricks62.4.6. Limitations62.4.7. Examples62.5. BRIN Indexes62.5.1. Introduction62.5.2. Built-in Operator Classes62.5.3. Extensibility62.6. Hash Indexes62.6.1. Overview62.6.2. Implementation