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[Limpiar de forma eficaz tablas en base de datos] Instrucciones para borrar el contenido de todas las tablas sin las restricciones de las claves foraneas #sql #query #delete #constraint #clean
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-- Lista de claves foraneas, solo información | |
SELECT name AS 'Constraint', | |
OBJECT_NAME(parent_object_id) AS 'Table', | |
OBJECT_NAME(referenced_object_id) AS 'Referenced Table', | |
is_disabled, | |
is_not_trusted | |
FROM sys.foreign_keys; | |
-- Lista de instrucciones para deshabilitar las claves foraneas | |
SELECT 'ALTER TABLE ' +OBJECT_NAME(parent_object_id)+ ' NOCHECK CONSTRAINT ' + name +';' as deshabilita | |
FROM sys.foreign_keys; | |
-- Lisat de instrucciunes para eliminar el contenido de las tablas | |
SELECT 'DELETE FROM ' + name + ';' as instruccion_borra | |
FROM sys.all_objects | |
WHERE type_desc='USER_TABLE' | |
AND object_id > 0 | |
AND name not like 'sys%'; | |
-- instrucciones para habilitar nuevamente las claves foraneas | |
SELECT 'ALTER TABLE ' +OBJECT_NAME(parent_object_id)+ ' CHECK CONSTRAINT ' + name +';' as habilita | |
FROM sys.foreign_keys; | |
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