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Creaci n del esquema de Una Base de Datos.

. . Restricciones de Integridad en una B. de D. Relacional. . Aseguran que los cambios realizados a una B. de D. no provoque p?rdida de consistencia en la informaci?n.1. Restricciones de dominio: Conjunto de valores y de operaciones permitidas sobre ellos. Dominios base para S.Q.L :CHAR(p) :

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Creaci n del esquema de Una Base de Datos.

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