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Mind map

DDL

Evelyn Tito Spanish

Map content

DDL

  1. SELECT

    • Qué hace? Obtiene datos de una base de datos
    • Sintaxis: SELECT nom_emp, ape_emp FROM empleados
  2. INSERT

    • Sintaxis: INSERT INTO empleados(nom_emp, ape_emp)
    • Qué hace? Inserta datos a una tabla
  3. DELET

    • Qué hace? elimina todos los registros de la tabla; no borra los espacios asignados a los registros
    • Sintaxis: DELETE FROM `table_name` [WHERE condition]
  4. UPDATE

    • Qué hace? Modifica datos existentes dentro de una tabla
    • Sintaxis: UPDATE empleados SET est_emp='U'

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Description
Mind Map on DDL, created by Evelyn Tito on 11/05/2019.
Created by
Evelyn Tito
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