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Method and mechanism for dependency tracking for unique constraints
Method and mechanism for dependency tracking for unique constraints
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机译:用于唯一约束的依赖项跟踪的方法和机制
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摘要
A method and mechanism for dependency tracking in a database system is disclosed. According to an embodiment, dependency tracking is performed for a uniqueness constrained object by tracking change or commit values for a key range associated with the uniqueness constrained object. For uniqueness constrained tables, this type of key range can be associated with a column or set of columns in the uniqueness constrained table.
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