WHILE(@@FETCH_STATUS=0)-- Loop through all tables in the databaseBEGININSERT#RESULTEXECUTEA_Search_StringInGivenTable@SearchString,@Table_Schema,@Table_Name;FETCHcurAllTablesINTO@Table_Schema,@Table_Name;END;-- whileCLOSEcurAllTables;DEALLOCATEcurAllTables;-- Return resultsSELECT*FROM#RESULTORDERB...
T-sql For in loop 变量循环语句 For 变量 in 循环开始的值 .. 循环结束的值(小于该值) Loop --做处理的语句 End Loop 例子: ---循环找出供应商 for i in 0 .. vendor_Total loop-- i 和 vendor_Total 在存储过程头部定义,vendor_Total 在循环之前已经赋值 if i = vendor_Total then str_vendor ...
问如何在TSQL中使用循环？EN人们希望学习批处理命令的一个普遍原因是要得到批处理强大的功能。如果你希望...
Create a procedure to loop throughSourceTableand insert rows. Note There are syntax differences between T-SQL for theCREATE PROCEDUREand theCURSORdeclaration. For more information, seeStored Procedures. CREATE PROCEDURE LoopItems() BEGIN DECLARE done INT DEFAULT FALSE; DECLARE...
Create a procedure to declare a cursor and loop through the order items. CREATE OR REPLACE FUNCTION P() RETURNS numeric LANGUAGE plpgsql AS $function$ DECLARE done int default false; var_OrderID int; var_NumItems int; OrderItemCursor CURSOR FOR SELECT OrderID, ...
有关详细信息,请参阅WITH common_table_expression。 NO_PERFORMANCE_SPOOL 适用于:SQL Server(从 SQL Server 2016 (13.x) 开始)和 Azure SQL 数据库。 防止将 spool 运算符添加到查询计划(需要 spool 保证更新语义有效的计划除外)。 在某些情况下,spool 运算符可能会降低性能。 例如,如果有大量查询与 spool ...
Once the normalized script is re-generated from the SqlScriptGenerator class, it can then be run through a proper hash algorithm (in this sample we use SHA1) to calculate the hash value of the given script. Here is where we also handle the case sensitive / insensitive nature of the scrip...
Azure SQL Database and SQL Server starting SQL Server 2017 (14.x): ALTER TABLE, ALTER PROCEDURE, and sp_rename operations are supported. Other schema changes, for example adding extended properties, are not supported.SQL Server 2016 (13.x): ALTER TABLE and ALTER PROCEDURE operations are suppo...
call the multiple .sql files through Batch script Calling the same function multiple times in the same SELECT statement Can a [non primary key] be referenced as [foriegn key] in other table? Can a uniqueidentifier have a default value? can I access function on remote server through linked se...
Note In SQL Server 2014 SP2, the MemoryFractions showplan XML attribute is updated for the optimized nested loop join operator to reflect the memory that's required to run it. Status Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to"...