程序代写代做代考 database SQL SQL: Queries, Constraints, Triggers
SQL: Queries, Constraints, Triggers Structured Query Language CS430/630 Lecture 4 Slides based on “Database Management Systems” 3rd ed, Ramakrishnan and Gehrke Relational Query Language: SQL Supports simple, yet powerful querying of data. Precise semantics for relational queries. DML (Data Manipulation Language) DDL (Data Definition Language) SQL developed by IBM (system […]
程序代写代做代考 database SQL SQL: Queries, Constraints, Triggers Read More »