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- Corrected the description of Entity Integrity. 更正了实体完整性的说明。
- Entity integrity defines a row as a unique entity for a particular table. 实体完整性将行定义为特定表的唯一实体。
- Constraints support domain integrity, entity integrity, and referential integrity, as well as user-defined integrity. 约束支持域完整性、实体完整性、引用完整性以及用户定义完整性。
- This column, or columns, is called the primary key (PK) of the table and enforces the entity integrity of the table. 这样的一列或多列称为表的主键(PK),用于强制表的实体完整性。
- Is a constraint that enforces entity integrity for a specified column or columns by using a unique index. 通过唯一索引对指定的一列或多列强制实体完整性的约束。
- Is a constraint that enforces entity integrity for a specified column through a unique index. 一个约束,该约束通过唯一索引来强制指定列的实体完整性。
- Is a constraint that provides entity integrity for a specific column or columns by using a unique index. 是通过唯一索引为特定的一列或多列提供实体完整性的约束。
- Is a constraint that provides entity integrity for a specified column or columns by using a unique index. 通过唯一索引为指定的一列或多列提供实体完整性的约束。
- Is a constraint that provides entity integrity for a specified column or columns through a unique index. 一个约束,该约束通过唯一索引为一个或多个指定列提供实体完整性。
- Entity integrity enforces the integrity of the identifier columns or the primary key of a table, through UNIQUE indexes, UNIQUE constraints or PRIMARY KEY constraints. 实体完整性通过UNIQUE索引、UNIQUE约束或PRIMARY KEY约束,强制表的标识符列或主键的完整性。
- The aim of double ownerships is dividing the land ownerships into two levels of bottom and surface of land.On the foundation, fanner is endowing with an integrity property rights of land. 双层所有权意在对农地所有权进行田底和田面两个层次的分割,在分割所有权的基础上,赋予农民一种完整的农地产权,以此突破中国农地制度在所有权改革上的瓶颈。
- The outstanding integrate property of B/D/H(N) indicates a great potentiality in fabricating advanced polymeric composites and high performance adhesives. B/D/H(N)体系优异的综合性能使之在制备先进树脂基复合材料、胶黏剂方面显示出巨大应用潜力。
- The article holds that company system is the entity integrated by the interaction and interdependent system of government, economy, and legal. 因此,公司制度的形成和发展,一方面是政府与公司关系规范化的产物,政府与企业的关系状况决定了一国公司立法的品性;
- I apportioned half the property to each of them. 我把财产的一半分配给他们各人。
- Entity integrity PRIMARY KEY constraint 完整性类型如何强制
- The courts ordered the seizure of all her property. 法院下令查封她所有的财产。
- She has a right to the property. 他享有这比财产权所有权。
- The property revert to its original owner in1998. 财产于1998年将归还原所有人。
- The CPC electronic packaging materials have the best integrated properties when annealed under the temperat. 研究了不同退火工艺对轧制复合CPC电子封装材料力学性能、物理性能的影响。
- The stolen property must be restored to its owner. 赃物必须物归原主。