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bd

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====== Bases de Datos ======
Mis bases tienen datos

===== Conceptos =====
  * Esquema Logico: Define la estructura en la que se almacenan e interactuan entre si los datos.
  * Tamaño de Bloque: Cantidad de disco que lee una base de datos a la vez.


===== DDL/Data Definition Language =====
[[bd:cheatsheet:ddl|DDL Cheatsheet]]

Permite definir la estructura en la que se van a almacenar los datos.

  * CREATE
  * ALTER
  * DROP

===== DML/Data Manipulation Language =====
[[bd:cheatsheet:dml|DML Cheatsheet]]

Permite la insercion, manipulacion y consulta de datos

  * SELECT
  * INSERT
  * UPDATE
  * DELETE

===== DCL/Data Control Language =====
[[bd:cheatsheet:dcl|DCL Cheatsheet]]

Permite controlar el acceso a los datos.

  * GRANT
  * REVOKE

bd.txt · Last modified: 2026/10/28 19:11 by alyssa

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