CS计算机代考程序代写 database SQL CS3402
CS3402 1 CS3402: Chapter 5 SQL: Structured Query Language SQL: Structured Query Language Data Definition Language(DDL): define the structures in a database, i.e. create, modify, and remove database objects such as tables, indexes, and users. Commands include CREATE, ALTER, and DROP. Data Manipulation Language (DML): deal with the manipulation of data present in […]
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