数据库问题
Oracle UNPIVOT and SYSDATE giving weird results(Oracle UNPIVOT 和 SYSDATE 给出奇怪的结果)
How to pivot a table in Oracle PLSQL?(如何在 Oracle PLSQL 中透视表?)
Error casting varchar containing a number expressed in scientific notation to decimal(将包含以科学记数法表示的数字的 varchar 转换为十进制时出错)
Calculate cumulative product value(计算累积产品价值)
SQL Server loop for changing multiple values of different users(用于更改不同用户的多个值的 SQL Server 循环)
SQL Server 2008: Can a multi-statement UDF return a UDT?(SQL Server 2008:多语句 UDF 能否返回 UDT?)
Merge columns in sql(合并sql中的列)
SQL Column is invalid in ORDER BY, not contained in aggregate or GROUP BY(SQL 列在 ORDER BY 中无效,未包含在聚合或 GROUP BY 中)
T-SQL : UNION ALL view not updatable because a partitioning column was not found(T-SQL:UNION ALL 视图不可更新,因为未找到分区列)
SQL Server 2008 R2: Concatenate alias name with column value(SQL Server 2008 R2:将别名与列值连接起来)
Do I need a recursive CTE to update a table that relies on itself?(我是否需要递归 CTE 来更新依赖于自身的表?)
How to display parent id for itself and children with T-sql recursive query(如何使用 T-sql 递归查询为自己和孩子显示父 ID)