The CONCAT() function adds two or more strings together. Note: See also Concat with the + operator and CONCAT_WS(). Syntax

Sep 3, 2024 · CONCAT takes a variable number of string arguments and concatenates (or joins) them into a single string. It requires a minimum of two input values; otherwise, CONCAT raises an error. CONCAT implicitly converts all arguments to string types before concatenation. CONCAT implicitly converts null values to empty strings.

Oct 27, 2015 · Starting with the next version of SQL Server, we can finally concatenate across rows without having to resort to any variable or XML witchery. STRING_AGG (Transact-SQL) Without grouping. SELECT STRING_AGG(Name, ', ') AS Departments FROM HumanResources.Department; With grouping:

To concatenate multiple strings, you pass them as a list of comma-separated arguments to the CONCAT function. The CONCAT function returns a string which is the combination of the input strings. It returns NULL if one of the arguments is NULL. You can use the IS NULL operator or COALESCE and NULLIF functions to handle NULL .

Feb 16, 2023 · Learn how to concatenate two columns in SQL with this detailed guide. SQL concatenation is the process of combining two or more character strings, columns, or expressions into a single string. For example, the concatenation of 'Kate', ' ', and 'Smith' gives us 'Kate Smith'. Enhance your SQL skills with our interactive SQL Practice Set!

To join two or more strings into one, you use the CONCAT() function with the following syntax: The CONCAT() takes two up to 255 input strings and joins them into one. It requires at least two input strings. If you pass one input string, the CONCAT() function will raise an error.

In my opinion, if you are using SQL Server 2017 or later, using STRING_AGG( ... ) is the best solution: More at: It depends on the database you are using. MySQL for example supports the (non-standard) group_concat function. So you could write:

The most obvious (and possibly the best) way to concatenate a string and a number is to use the CONCAT() function. This allows you to provide the string and the number as two separate arguments. SQL Server will then concatenate them, and your concatenation is complete. Example. Result: As you can see, this works perfectly.

To append a string to another and return one result, use the || operator. This adds two strings from the left and right together and returns one result. If you use the name of the column, don’t enclose it in quotes. However, in using a string value as a space or text, enclose it in quotes.

Oct 5, 2021 · In any version of SQL Server, you can use the plus sign as a concatenation operator with the following syntax: SELECT 'Hello'+' World'+'!' It doesn’t really matter if you’re using string literals or variables or columns values to concatenate strings.