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PostgreSQL 9.1.24 Documentation
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Chapter 4. SQL Syntax

Table of Contents

4.1. Lexical Structure

4.1.1. Identifiers and Key Words
4.1.2. Constants
4.1.3. Operators
4.1.4. Special Characters
4.1.5. Comments
4.1.6. Operator Precedence

4.2. Value Expressions

4.2.1. Column References
4.2.2. Positional Parameters
4.2.3. Subscripts
4.2.4. Field Selection
4.2.5. Operator Invocations
4.2.6. Function Calls
4.2.7. Aggregate Expressions
4.2.8. Window Function Calls
4.2.9. Type Casts
4.2.10. Collation Expressions
4.2.11. Scalar Subqueries
4.2.12.