SELECT dbo.ConcatenateStrings(ColumnName) AS AggregatedString FROM YourTable WHERE SomeCondition; 总结 在SQL Server 旧版中,字符串聚合可以通过FOR XML PATH或自定义聚合函数实现。尽管这些方法可能不如新版本中的STRING_AGG函数简洁高效,但它们仍然能够有效地处理字符串聚合的需求。选择合适的方法取决于具体的应用...
1SELECT CONCAT (String_Value1, String_Value2, String_Value3 [, String_ValueN]) Let’s look at an example using Concat string function: In this example, we will use three strings stored in different variables and then concatenate the strings using Concat function. Note:Concat function can co...
drop table #benefit_code; 参考:http://stackoverflow.com/questions/273238/how-to-use-group-by-to-concatenate-strings-in-sql-server
The code samples in this article use the AdventureWorks2022 or AdventureWorksDW2022 sample database, which you can download from the Microsoft SQL Server Samples and Community Projects home page.E. Use multiple string concatenationThe following example concatenates multiple strings to form one long ...
or one expression must be implicitly convertible to the data type of the other expression. For example, if the string "Order date is " and the columnOrderDateare concatenated, the values inOrderDateare implicitly converted to a string data type. To concatenate two numeric values, both numeric...
Never concatenate user input that isn't validated. String concatenation is the primary point of entry for script injection. Don't accept the following strings in fields from which file names can be constructed:AUX,CLOCK$,COM1throughCOM8,CON,CONFIG$,LPT1throughLPT8,NUL, andPRN. ...
An operator in a string expression that concatenates two or more character or binary strings, columns, or a combination of strings and column names into one expression (a string operator). For example SELECT 'book'+'case'; returns bookcase....
The CONCAT function is used to combine or concatenate two or more string values. The SQL CONCAT function takes at least two arguments that are converted to strings (if they are not already) and returns a concatenated string. For example: ...
If you want to concatenate strings, useSTRING_AGGinstead. Transact-SQL syntax conventions Syntax syntaxsql COALESCE( expression [ , ...n ] ) Arguments expression Anexpressionof any type. Return types Returns the data type ofexpressionwith the highest data type precedence. If all expressions are ...
A. Using the concat() XQuery function to concatenate strings For a specific product model, this query returns a string created by concatenating the warranty period and warranty description. In the catalog description document, the <Warranty> element is made up of <WarrantyPeriod> and <Description...