文章列表
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?)
MySqlException: Access denied for user #39;altjenb#39;@#39;localhost#39; (using password: YES)(MySqlException:用户“altjenb@“localhost的访问被拒绝(使用密码:YES))
Timestamp with 9 digits in SQLite file(SQLite 文件中的 9 位时间戳)
Convert Oracle DATE to Unix-style time (seconds since 1906?)(将 Oracle DATE 转换为 Unix 风格的时间(自 1906 年以来的秒数?))