Aggregate functions in SQL are used to perform calculations on a set of values and return a single result. These functions operate on a group of rows and produce a single value as output. Some common ...

The **min ()** function returns the one value in the sequence that is smaller than any other in the input sequence. For xs:string values, the default Unicode Codepoint Collation is being used.

If you have an aggregation function (sum, avg, count) in your select clause or if you have a group by clause, all of your columns must be aggregated or grouped.<BR><BR>In the version of SQL that I ...

SQL is a tool that is widely used in the manipulation of data and featuring in the relational database. They are applied in querying, manipulating as well as reporting data and it is commonly used by ...