PostgreSQL Functions By Example

Contents

• What are Functions?
• How are they Used?
• What Forms Can They Take?
• SQL Functions
• Procedural Languages
• Internal Functions
• C Language Functions
• Language Availability
• Creating New Functions
• Dollar Quoting
• Function Overloading
• Changing Existing Functions
• Behavior with Null Input Values
• Security Attributes
• Custom Operator and  Aggregate
• SETOF with OUT Arguments
• INSERT RETURNING
• PL/pgSQL
• Control Structures: FOR ... LOOP
• ...etc

Summary on tutorial PostgreSQL Functions By Example

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