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....
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 ...
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...
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...
我们看到Oracle对这条SQL语句进行分析,并且有一个游标号:CURSOR #140535085375432 , 这个号在整个trace文件中并不是唯一的,当一条SQL语句执行完毕后,这个号会被另外的SQL语句重用。 我们还可以看到这个SQL语句被分析了一次,执行了一次,fetch了一次。 如果有多次,这里会有多条记录。 STAT #140535085375432 是对这条...
API calls likeSQLPrepare()/SQLExecute(ODBC) orSqlCommand.Prepare/SqlCommand.ExecuteNonQuery(ADO.NET) and will appear on the server assp_prepare/sp_executeorsp_prepexecsystem procedure executions. Also, server-side cursors would consume from this cache store (sp_cursoropen,sp_cursorfe...
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 ...
Use this keyword when you use cursor variables as parameters. If value is defined as OUTPUT of a module executed against a linked server, any changes to the corresponding @parameter performed by the OLE DB provider are copied back to the variable at the end of the execution of module. If ...
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 =