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1 May 2018 How to Concatenate Strings in MySQL with CONCAT() In MySQL (and in any computer programming environment), string concatenation is the operation of So if we apply this to a database, then the query might look The string concatenation operator & concatenates two strings. With two arguments it works as the CONCATENATE function. However, the operator makes it e. Parameter, Description. expression1, expression2, expression3, etc. Required. The expressions to add together. Note: If any of the expressions is a NULL value,The jOOQ User Manual. The SQL standard defines the concatenation operator to be an infix operator, similar to the ones we've seen in the chapter about The concatenation operator manipulates character strings and CLOB data. Table 4-3 Oracle Database Application Developer's Guide - Large Objects for more