SQL: COMANDOS DDL

In this lab, you will learn some commonly used DDL (Data Definition Language) statements of SQL. First you will learn the CREATE statement, which is used to create a new table in a database. Next, you will learn the ALTER statement which is used to add, delete, or modify columns in an existing table. Then, you will learn the TRUNCATE statement which is used to remove all rows from an existing table without deleting the table itself. Lastly, you will learn the DROP statement which is used to delete an existing table in a database. Conviértete en miembro de este canal para disfrutar de ventajas:    / @universomath   ¡Puedes apoyar al canal realizando una donación! https://www.paypal.me/universomatematico