DECLARE VARIABLE ステートメントは、ホスト変数の CCSID および変数のサブタイプを定義します。 アプリケーション・プログラムに DECLARE VARIABLE ステートメントがあると、DB2 プリコンパイラーは、ホスト変数に特定の CCSID をタグ付けします。 SQL ステートメントに
用declare声明的变量作用在block中。 variable是sqlplus中定义变量的命令。他定义的变量在一个sqlplus连接中有效。 SQL> show user USER 为"YANGTK" SQL> var SP2-0568: 未说明结合变量。 SQL> var test number SQL> var 变量test 数据类型 NUMBER SQL> conn / as sysdba 已连接。 SQL> show user USER 为"...
This way is tedious and inconvenient. However, we have a more efficient way to declare multiple variables in one statement. We can use the DECLARE statement in the following form so that we can assign values to these variables in one SELECT statement: 1 2 3 4 DECLARE@Variable1ASVARCHAR(100...
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A placeholder indicating that multiple variables can be specified and assigned values. When declaringtablevariables, thetablevariable must be the only variable being declared in the DECLARE statement. column_name The name of the column in the table. ...
DeclareVariableStatement.Declarations Property Reference Feedback Definition Namespace: Microsoft.SqlServer.TransactSql.ScriptDom Assembly: Microsoft.SqlServer.TransactSql.ScriptDom.dll Package: Microsoft.SqlServer.DacFx v150.5282.3 The list of declarat...
DECLARE VARIABLE The ultimate Microsoft Fabric, Power BI, SQL & Azure AI learning event:Join us in Las Vegas from March 26-28, 2024. Use code MSCUST for a $100 discount.Register nowDismiss alert Sign in CREATE SERVER CREATE SHARE CREATE STREAMING TABLE...
Is a placeholder indicating that multiple variables can be specified and assigned values. When declaring table variables, the table variable must be the only variable being declared in the DECLARE statement. column_name Is the name of the column in the table. ...
DECLARE web_page BFILE; BEGIN --Delete row for Tannery Falls so this example can --be executed multiple times DELETE FROM waterfalls WHERE falls_name='Tannery Falls'; --Invoke BFILENAME to create a BFILE locator web_page := BFILENAME('BFILE_DATA','Tannery Falls.htm'); ...
ALTERDATABASEAdventureWorks2022SETCOMPATIBILITY_LEVEL =110; GOUSEAdventureWorks2022; GODECLARE@vASINT;SELECT@v = BusinessEntityIDFROMHumanResources.EmployeeUNIONALLSELECT@v = BusinessEntityIDFROMHumanResources.EmployeeAddress;SELECT@v; Under the database compatibility level setting of 100 and higher, variabl...