Applies to: SQL ServerAccepts zero or more strings as arguments and returns a string created by concatenating the values of each of these arguments.Syntaxنسخ fn:concat ($string as xs:string? ,$string as xs:string? [, ...]) as xs:string ...
❮ Previous ❮ SQL Server Functions Next ❯ ExampleGet your own SQL Server Add two strings together: SELECT CONCAT('W3Schools', '.com'); Try it Yourself » Definition and UsageThe CONCAT() function adds two or more strings together....
Theconcat()function in SQL Server only accepts values of type xs:string. Other values have to be explicitly cast to xs:string or xdt:untypedAtomic. See Also XQuery Functions against the xml Data Type Feedback Was this page helpful?
SQL Server CONCAT()函数简介 使用CONCAT()函数可将两个或多个字符串连接成一个字符串,语法如下: CONCAT ( input_string1, input_string2 [, input_stringN ] ); 可以有多个参数,连接多个字符串,最多255个输入字符串并将它们连接成一个字符串。 它至少需要两个输入字符串。 如果传递一个输入字符串,CONCAT(...
Learn about the XQuery function concat() that returns a string created by concatenating zero or more strings specified as arguments.
Msg257,Level16, State3, Line35Implicit conversionfromdata type xmltonvarcharisnotallowed.UsetheCONVERTfunctiontorun this query. 至少我测试结果显示它对INT, FLOAT, DATETIME, NVARCHAR都是支持的。 测试脚本 WITHTAS(SELECTTOP10CAST(NumASINT)ASint_fld,CAST(NumASNVARCHAR)ASstr_fld,CAST(NumASFLOAT)ASflt_...
SQL NOW() SQL TIMESTAMPDIFF() SQL Server / Transact-SQL SQL GETDATE() SQL DATEPART() SQL DATEADD() SQL DATEDIFF() SQL CONVERT() CONCAT() 函數 (SQL CONCAT() Function) CONCAT() 函數用來合併多個欄位的值。 MySQL 語法 - CONCAT(str1, str2,...) ...
CREATE FUNCTION dbo.WM_Concat ( @ID INT ) RETURNS VARCHAR(MAX) AS BEGIN DECLARE @ConcatenatedColumn VARCHAR(MAX) SELECT @ConcatenatedColumn = COALESCE(@ConcatenatedColumn + ', ', '') + ColumnName FROM TableName WHERE ID = @ID RETURN @ConcatenatedColumn END 复制代码 然后可以使用该函数来实现...
SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW) SQL analytics endpoint in Microsoft Fabric Warehouse in Microsoft Fabric This function returns a string resulting from the concatenation, or joining, of two or more string values in an en...
SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW) SQL analytics endpoint in Microsoft Fabric Warehouse in Microsoft Fabric This function returns a string resulting from the concatenation, or joining, of two or more string values in an en...