Outline Accessing SQL From a Programming Language Functions and Procedures ■Triggers ■Recursive Queries Advanced Aggregation Features Database System Concepts-7th Edition 5.2 ©Silberscha乜，Korth and SudarshanDatabase System Concepts - 7 5.2 ©Silberschatz, Korth and Sudarshan th Edition Outline ▪ Accessing SQL From a Programming Language ▪ Functions and Procedures ▪ Triggers ▪ Recursive Queries ▪ Advanced Aggregation Features