​1. What is SQL (1) SQL stands for Structured Query Language (2) SQL is an ANSI standard (3) RDBMS(Relational Database Managerment System) is the basis for SQL like SQLServer, DB2, Oracle, MySQL, and Access eg. ​2. SQL DML and DDL (1) The query and update commands from the DML(Data Manipulation Language) part of SQL: • SELECT - extracts data from a database • UPDATE - updates
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