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...
When this T-SQL script is run, it creates a new Update stored procedure for the Order_Details table. All columns are accounted for as parameters in the new stored procedure code, but notice how the primary key columns (OrderID and ProductID) show up in the Where clause, while the other...
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 ...
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; DECLA...
DELETE (Transact-SQL) SELECT (Transact-SQL) UPDATE (Transact-SQL)Transact-SQL 语法约定语法syntaxsql 复制 <join_hint> ::= { LOOP | HASH | MERGE | REMOTE } 参数{ LOOP |HASH |MERGE }指定查询中的联接应使用循环、哈希或合并。 使用LOOP或HASHMERGE JOIN强制执行两个表之间的特定联接。 LOOP 不...
作为return，您将得到一个只有一行和一列的表，此字段显示表中有多少行符合where子句中的creteria，因此...
SQL 复制 WHILE (1=1) BEGIN IF EXISTS (SELECT * FROM ##MyTempTable WHERE EventCode = 'Done') BEGIN BREAK; -- 'Done' row has finally been inserted and detected, so end this loop. END PRINT N'The other process is not yet done.'; -- Re-confirm the non-done status to the ...
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This reduces the number of SQL-function calls.There are five such aggregate functions:tdigest_percentile(value double precision, count bigint, compression int, quantile double precision) tdigest_percentile(value double precision, count bigint, compression int, quantiles double precision[]) tdigest_...
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