20.13. Version and Platform Compatibility # 20.13.1. Previous PostgreSQL Versions 20.13.2. Platform and Client Compatibility 20.13.1. Previous PostgreSQL Versions # array_nulls (boolean) …| PostgreSQL Documentation
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 …| PostgreSQL Documentation