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What is SQL DDL and DML Overview about?
The document provides an overview of SQL (Structured Query Language). It discusses that SQL is used for storing, manipulating, and retrieving data from databases. It also categorizes SQL statements into three categories: DDL for data definition, DML for data manipulation, and DCL for data control. Examples are given for common SQL statements like CREATE TABLE, ALTER TABLE, DROP TABLE, INSERT, UPDATE, DELETE, SELECT, etc. Wildcard characters and the LIKE operator used in conditions are also explained.
- Author
- Digambar Diwakar
- Language
- EN