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Basic SQL Commands and DDL Examples by JEEVAN MITTA (RA2111030010219) is a document available to read on EtoBox.
What is Basic SQL Commands and DDL Examples about?
The document discusses SQL data definition language (DDL) commands. It demonstrates how to create a table using CREATE TABLE with and without constraints. It shows how to alter a table using ALTER TABLE commands to add, modify, delete columns and rename the table. Examples are provided to add a column, modify column size, drop a column, and rename the table. Finally, it lists various constraint types that can be used like NOT NULL, UNIQUE, PRIMARY KEY etc.
- Author
- JEEVAN MITTA (RA2111030010219)
- Language
- EN