7859484
Description
Mind Map by Nancy Aide, updated more than 1 year ago
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Created by Nancy Aide
about 7 years ago
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Lenguaje de Manipulación de Datos (LMD)
- SELECT
- Sintaxis: SELECT campos FROM tabla
- Cláusulas: FROM, WHERE, GROUP BY, HAVING, ORDER BY.
- predicado: ALL, TOP, DISTINCT, DISTINCTROW
- Sintaxis: SELECT campos FROM tabla
- INSERT
- Sintaxis: INSERT INTO "tabla"(columna1, columna2)VALUES(valor1, valor2..)
- cantidad columnas = cantidad valor
- Sintaxis: INSERT INTO "tabla"(columna1, columna2)VALUES(valor1, valor2..)
- UPDATE
- Sintaxis
- Modifica valores de un conjunto de registros.
- Sintaxis
- DELETE
- Borra 1 o mas registros de la tabla
- Sintaxis
- Borra 1 o mas registros de la tabla
Media attachments
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