当我尝试创建一个自制的容器时,我得到了这些编译器错误 warning: implicit declaration of function ‘sys_pivot_root’; did you mean‘SYS_pivot_root’?[-Wimplicit-function-declaration]
TRY (sys_pivot_root(wd, "/dir/oldroot")); 然后我将sys_pivot_root更改为SYS_pivot_rootinstall_
我正在阅读MS Exames70-461: Querying SQL Server2012的准备工具包,作者谈到了PIVOT操作符。我正在使用AdventureWorks示例数据库进行测试。[DimEmployee] PIVOT (Avg(BaseRate) FOR [Gender] IN ([M], [F])) AS P由于[DepartmentName]是PIVOT我可以添加一个简单的GROUP BY子句,但我不确定这是否会产生适当的结果,这也意味着我没有正确理解PIVOT的用法</e
我正在尝试透视一个像这样创建的mysql表`Timestamp` datetime NOT NULL,SET @@group_concat_max_len = 32000;
SET @sql_dynamic =You have an error in your SQL syntax; check the manual that corresponds to