Today's Transact SQL Server MSDN Forum post "Dynamic Columns with some additional logic" is an interesting continuation of this article theme and also my other T-SQL: Dynamic Pivot on Multiple Columns article. In my reply to the thread's originator I hinted the possible solution using the ide...
FeatureIncluded columnsSpecifying included columns is not necessary for memory-optimized tables. All columns of the memory-optimized table are implicitly included in every memory-optimized index. OperationDROP INDEXDropping indexes on memory-optimized tables is not supported. You can delete indexes using ...
I have a complex query, which I think could be simplified. I posted it on Stack Overflow and the moderators closed it because it was an "opinion question and did not involve facts".
在满足以下任何条件的情况下,将不执行 DROP TYPE 语句: 数据库中存在包含别名数据类型列或用户定义的类型列的表。 通过查询 sys.columns 或sys.column_type_usages 目录视图可获得有关别名类型列或用户定义类型列的信息。 存在定义中引用了别名类型和用户定义类型的计算列、CHECK 约束、架构绑定视图和绑定到架构的函...
通过COLUMNS_UPDATED()函数,我们可以快速对包含敏感员工信息的列所做的任何更改进行检测。 仅在尝试检测对表中前八列进行的更改时,以这种方式使用COLUMNS_UPDATED()才有效。 SQL USEAdventureWorks2022; GO IF EXISTS(SELECTTABLE_NAMEFROMINFORMATION_SCHEMA.TABLESWHERETABLE_NAME ='employeeData')DROPTABLEemployeeData;...
Feature Included columns Specifying included columns is not necessary for memory-optimized tables. All columns of the memory-optimized table are implicitly included in every memory-optimized index. Operation DROP INDEX Dropping indexes on memory-optimized tables is not supported. You can delete indexes ...
Microsoft SQL Server 2008 R2 and Microsoft SQL Server 2012 vary as follows: Transact-SQLpartially supports this feature. Transact-SQL does not support multiple columns on both sides of an assignment. See[ISO/IEC9075-2:2011]for the definition of "column"....
check for the existence of multiple columns in a table Check for valid Ip address Check if amount is positive or negative Check If Column Is PRIMARY KEY Check if database exists? Check if Feb-29 is falling between start and end dates Check if file exists then delete it- fix code Check ...
This is the most exciting part of this article that I love it. The question is that how to swap values of two columns in a table without using a temporary table? This code provide sample data for us: -- drop test table IF OBJECT_ID( 'dbo.Person', 'U') IS NOT NULL DROP TABLE ...
Other tables accessed include: **tabMembershipList** MemberID int Name varchar TownID int **tabTown** (info on towns where our members live) TownID int Name varchar Geo geography (coordinates) The final product will get inserted into **tabCallList** with columns: ...