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18060155
DDL Data Definition Language
Description
Mind Map on DDL Data Definition Language, created by Juan Medina Villa on 11/05/2019.
Mind Map by
Juan Medina Villa
, updated more than 1 year ago
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Created by
Juan Medina Villa
about 5 years ago
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Resource summary
DDL Data Definition Language
Es un lenguaje de programación
Proporcionado por
Sistema gestor de base de datos
que permiten realizar
Tareas de definición
Almacenamiento de datos
Procedimientos
Consulta de datos
Posee sentencias
Que permiten definir
Estructura de base de datos
como
CREATE
Sirve para crear una nueva base de datos, tabla, índice, o procedimiento almacenado.
DROP
Sirve para borrar en forma sencilla distintos objetos dentro del [SGBD]
ALTER
La sentencia ALTER TABLE es usada para agregar, borrar o modificar columnas en una tabla existente
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