SQL 複製 PRINT '*** Setting ANSI_WARNINGS OFF'; GO SET ANSI_WARNINGS OFF; GO PRINT 'Testing NULL in aggregate'; GO SELECT a, SUM(b) FROM T1 GROUP BY a; GO PRINT 'Testing String Overflow in INSERT'; GO INSERT INTO T1 VALUES (4, 4, 'Text string longer than 20 characters'); ...
在SQLSERVER中,决定当前会话的SET配置(翻译) 原文为Determining SET Options for a Current Session in SQL Server 问题? 对于每个连接到SQLSERVER上的会话(Session),用户能够设置SET选项来影响查询的结果和SQLSERVER潜在的行为,有些选项能通过GUI来设置,有些需要 通过SET 命令来设置,使用GUI非常方便知道某个设置开启与...
在SQL Server 中,我们可以使用以下查询来实现相同的功能: 代码语言:txt 复制 SELECT u.* FROM Users u CROSS APPLY STRING_SPLIT(u.Roles, ',') s WHERE s.value = 'admin'; 遇到的问题及解决方法 如果在 SQL Server 中使用FIND_IN_SET的等价实现时遇到性能问题,可以考虑以下几点: ...
Applies to: SQL Server (Starting with SQL Server 2012 (11.x)) Runs the action in the current database. CURRENT isn't supported for all options in all contexts. If CURRENT fails, provide the database name. <accelerated_database_recovery> ::= Applies to: SQL Server (Starting with SQL Se...
sql server中实现mysql的find_in_set函数 charindex(','+'test'+',',','+Picture+',')>0
Applies to: SQL Server (Starting with SQL Server 2012 (11.x)) Runs the action in the current database. CURRENT isn't supported for all options in all contexts. If CURRENT fails, provide the database name. <accelerated_database_recovery> ::= Applies to: SQL Server (Starting with SQL Se...
SQL ServerCloud 适配器必须在承载 SQL Server 实例的计算机上运行和访问。 此cmdlet 支持以下作模式: 指定实例 Windows PowerShell 路径。 指定服务器对象。 指定SQL Server 目标实例的 ServerInstance 对象。 Note: This cmdlet ceased to work a long time ago. It's been removed in version 22 of the modul...
Set-SqlSmartAdmin cmdlet 配置或修改 BackupEnabled、BackupRetentionPeriodinDays、MasterSwitch和 SqlCredential 参数设置。 此 cmdlet 只能针对实例级别配置运行,而不能针对特定数据库运行。 此 cmdlet 支持以下操作模式来返回对象: 直接或通过管道将 Smo.Server 对
SQL USEAdventureWorks2022; GO-- Create tool table.CREATETABLEdbo.Tool(IDINTIDENTITYNOTNULLPRIMARYKEY,NameVARCHAR(40)NOTNULL); GO-- Inserting values into products table.INSERTINTOdbo.Tool(Name)VALUES('Screwdriver') , ('Hammer') , ('Saw') , ('Shovel'); GO-- Create a gap in the identity...
SQL PRINT '*** Setting ANSI_WARNINGS ON'; GOSETANSI_WARNINGSON; GO PRINT 'Testing NULL in aggregate'; GOSELECTa,SUM(b)FROMT1GROUPBYa; GO PRINT 'Testing String Overflow inINSERT'; GO INSERT INTO T1 VALUES (3, 3, 'Textstringlongerthan20characters'); GO PRINT 'Testing Dividebyzero'; G...