Mind map
TEMA 6 - CONSULTAS (DML)

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TEMA 6 - CONSULTAS (DML)
SELECT
- SELECT [*] FROM [NOMBRE DE LA TABLA];
- SELECT [N*1], CONCAT (COLUMNAS) AS [NOMBRE QUE QUIERAS] FROM [NOMBRE DE LA TABLA];
- SELECT [DISTINCT] [NOMBRE DE LA COLUMNA] FROM [NOMBRE DE LA TABLA];
- SELECT [*] WHERE …
INSERT (NUEVAS FILAS)
DELETE (BORRADO)
UPDATE
- TODAS LAS COLUMNAS
- UNA SOLA FILA
- VARIAS COLUMNAS
INTEGRIDAD REFERENCIAL (MOTORES)
- MYISAM
- INNODB
- MEMORY
OPERADORES
- ARITMÉTICOS: +, -, %, *, /.
- RELACIONALES: <, >, <>, >=, <=, =
- LÓGICOS: AND, NOT, OR
- IN
- IS NOT
- LIKE
- LIMIT
ORDENACIÓN ORDER BY
CONSULTAS RESUMEN
- SUM (SUMA)
- AVG (MEDIA)
- MIN/MAX
- COUNT (CUENTA)
FILTROS
- GROUP BY
- HAVING
- SELECT-FROM-WHERE-GROUP BY-HAVING-ORDER BY-LIMIT;
SUBCONSULTAS
CONSULTAS ANIDADAS
- Select ( ::: select( ::: select( ::: ) ) );
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- Description
- GBD Mind Map on TEMA 6 - CONSULTAS (DML), created by Noelia Otazo on 28/04/2020.
- Created by
- Noelia Otazo
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