文章列表
Is there in SQL a way to enforce unicity of undirected edge?(SQL 中是否有一种方法可以强制执行无向边的唯一性?)
Constrain with conditional value check in MySQL(在 MySQL 中使用条件值检查进行约束)
Enforce composite unique constraint that depends on parent column value(强制执行依赖于父列值的复合唯一约束)
Set a unique constraint only when a field is null(仅在字段为空时设置唯一约束)
SQL SERVER: Unique Constraint Explanation(SQL SERVER:唯一约束说明)
Replace path string in SQLite DB causes unexpected violated unique constraint(替换 SQLite DB 中的路径字符串导致意外违反唯一约束)
NewSequentialId on UniqueIdentifier Clustered Index(UniqueIdentifier 聚集索引上的 NewSequentialId)
Compare uniqueidentifier in where clause(比较 where 子句中的 uniqueidentifier)
What causes this SqlException: A transport-level error has occurred when receiving results from the server(导致此 SqlException 的原因:从服务器接收结果时发生传输级错误)
How can you unit test a database in SQL Server?(如何在 SQL Server 中对数据库进行单元测试?)