What is the purpose of the convert function in SQL?

In SQL, the CONVERT function is used to change one data type to another. This can be used in queries to convert data from one type to another for comparison, calculation, or display purposes. For example, you can use CONVERT to change a string to a number, a date to a string, and so on. The CONVERT function can take multiple parameters, including the value to be converted, the original data type, and the target data type.