Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance SQL database in Microsoft Fabric Defines the attributes of a Transact-SQL server cursor, such as its scrolling behavior and the query used to build the result set on which the cursor operates. DECLARE CURSOR accepts both a ...
You are fetching the next record outside the WHILE loop using the above code. So the @@FETCH_STATUS is always 0 and the loop is executed infinitely. Place the above statement inside the WHILE loop. For more details refer below article....
在会话窗口(会话ID=65)下执行下面SQL语句,模拟SQL Server使用行锁锁定某一行记录: USE AdventureWorks2012; GO SELECT @@SPID; BEGIN TRAN; UPDATE [dbo].[DatabaseLog] WITH ( ROWLOCK ) SET TSQL = N'dddd' WHERE DatabaseLogID = 1; --ROLLBACK; 在另外一个会话窗口使用下面SQL查询,我们能看到相关锁...
and the next level up (with index pages) was also level 0. The level then increased to the root. So to determine whether a page was truly at the leaf level in SQL Server 2000, you need to look at the m_type as well as them_level. ...
SQL基础学习笔记 一、建库建表 1、检查数据库名是否存在 如果需要创建数据库,可能会出现数据库名字重名的现象,我们可以使用如下代码查询数据库名是否存在,存在则删除此数据库。 --删除数据库 if exists(select * from sys.databases where name = 
The extended stored procedure, when calling it from inside a function, can't return result sets to the client. Any ODS APIs that return result sets to the client, return FAIL. The extended stored procedure could connect back to an instance of SQL Server; however, it shouldn't try to join...
The extended stored procedure, when calling it from inside a function, can't return result sets to the client. Any ODS APIs that return result sets to the client, return FAIL. The extended stored procedure could connect back to an instance of SQL Server; however, it shouldn't try to join...
If a SQL Server data type doesn't appear in the previous table, that data type isn't supported. Unsupported data types include the following examples: binary(), varbinary(), image, cursor, rowversion, hierarchyid, sql_variant xml, Spatial Geometry Types, Spatial Geography Types, and table.Po...
In SQL Server 2014 (12.x), FOREIGN KEY constraints are not supported with memory-optimized tables. Featureclustered indexSpecify a nonclustered index. In the case of a primary key index be sure to specifyPRIMARY KEY NONCLUSTERED. FeatureDDL inside transactionsMemory-optimized tables and natively ...
In SQL Server versions prior to 2005, whenever a statement within a batch causes recompilation, the entire batch, whether submitted through a stored procedure, trigger, ad hoc batch, or prepared statement, was recompiled. Starting with SQL Server 2005 (9.x), only the statement inside the ...