• The informational constraints are not enforced by the federated server during operations such as insert, delete and update.

    诸如insertdeleteupdate操作期间联邦服务器施加信息约束

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  • Note that the delete operation fails if the record can't be deleted due to database-specific constraints.

    DELETE employees WHEREemployeeid=@employeeid注意如果由于特定于数据库的约束而无法删除记录,删除操作失败

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  • They can guard against malicious or incorrect INSERT, UPDATE and DELETE operations and enforce other restrictions that are more complex than those defined with CHECK constraints.

    触发器可以预防恶意错误的INSERTUPDATEDELETE操作强制执行CHECK约束中定义限制复杂的限制。

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  • You can use table Designer to create, edit, or delete tables, columns, keys, indexes, relationships, and constraints.

    可以使用表设计创建编辑删除索引关系约束。

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  • What is the most efficient way of doing this short of trying to delete each one at a time and letting it cause SQL errors on the ones that violate constraints?

    什么有效方法做到一点试图删除个,导致SQL错误违反约束的错误?

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  • What is the most efficient way of doing this short of trying to delete each one at a time and letting it cause SQL errors on the ones that violate constraints?

    什么有效方法做到一点试图删除个,导致SQL错误违反约束的错误?

    youdao

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