Outline ■Join Expressions ■Views ■Transactions Integrity Constraints SQL Data Types and Schemas Index Definition in SQL ■Authorization Database System Concepts-7th Edition 4.2 ©Silberscha乜，Korth and SudarshanDatabase System Concepts - 7 4.2 ©Silberschatz, Korth and Sudarshan th Edition Outline ▪ Join Expressions ▪ Views ▪ Transactions ▪ Integrity Constraints ▪ SQL Data Types and Schemas ▪ Index Definition in SQL ▪ Authorization