Transact-SQL 语法约定 语法 ISO 语法: syntaxsql复制 DECLAREcursor_name[INSENSITIVE] [SCROLL]CURSORFORselect_statement[FOR{READ_ONLY|UPDATE[OFcolumn_name[ , ...n ] ] } ] [ ; ] Transact-SQL 扩展语法: syntaxsql复制 DECLAREcursor_nameCURSOR[LOCAL|GLOBAL] [FORWARD_ONLY|SCROLL] [STATIC|KEYSET|DY...
Similar to SQL Server, you can declare cursors with theDECLARE CURSORstatement. To open a cursor, use theOPENstatement. To fetch a cursor, use theFETCHstatement. You can close the cursor with theCLOSEstatement. Note Aurora MySQL doesn’t have aDEALLOCATEstatement because...
There are three methods you can use to iterate through a result set by using Transact-SQL statements. One method is the use oftemptables. With this method, you create a "snapshot" of the initial SELECT statement and use it as a basis for "cursoring." For example: /*** example 1 *...
SET @SQLString = @SQLString + ' Longitude>='+CAST(@RectLeftParam AS varchar(10)) SET @SQLString = @SQLString + ' AND Longitude<=' + CAST(@RectRightParam AS varchar(10)) SET @SQLString = @SQLString + ' AND Latitude>=' + CAST(@RectBottomParam AS varchar(10)) SET @SQLString =...
DeclareCursorStatement 類別 DeclareTableVariableBody 類別 DeclareTableVariableStatement 類別 DeclareVariableElement 類別 DeclareVariableStatement 類別 DefaultConstraintDefinition 類別 DefaultLiteral 類別 DeleteMergeAction 類別 DeleteSpecification 類別 DeleteStatement 類別 DeleteUpdateAction 列舉 DenyStatement 類別 DenyState...
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 sup...
SQL Copy USE AdventureWorks2022; GO SELECT AVG(UnitPrice) AS [Average Price] FROM Sales.SalesOrderDetail; column_alias can be used in an ORDER BY clause. However, it cannot be used in a WHERE, GROUP BY, or HAVING clause. If the query expression is part of a DECLARE CURSOR statement...
CursorOption.Accept(TSqlFragmentVisitor) Method Reference Feedback Definition Namespace: Microsoft.SqlServer.TransactSql.ScriptDom Assembly: Microsoft.SqlServer.TransactSql.ScriptDom.dll Package: Microsoft.SqlServer.TransactSql.ScriptDom v161.8901.0 Accepts visitor C# 复制 public override void Accept...
ALTER vs UPDATE when creating a new column with default value. Alternate queries for MERGE Alternative for OR in WHERE clause Alternative for PIVOT Alternative of CURSOR in SQL to improve performance ? alternative query for in clause Alternative to Full Outer Join Alternative to Row_Number Query...
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...