CONCAT function is a SQL string function that provides to concatenate two or more than two character expressions into a single string. CONCAT function in SQL is one of the most useful members of these functions. SQL string functions are used to manipulate the character expressions or to obtain various information about them.
We can use nvarchar(max) or varchar(max) instead. These data types are deprecated, and for this reason, we should try not to use these data types. We have to take into account one point about the text and ntext data types. Unicode character strings data types that store Unicode character data These are:Ĭharacter strings data types that store non-Unicode character data
In terms of SQL Server, we can categorize SQL string data types into different two groups. In this article, we will explore the syntax, working mechanism and other details of the CONCAT function in SQL and we will also make up various different examples about it.Ī string is a set of characters that helps to declare the texts in the programming languages.