You will understand the concept of using scalar functions and aggregate functions in string and numeric operations in SQL databases, Understand the concept of using GROUP BY in grouping data, ...

SQL Server scalar-valued function takes one or more parameters and returns a single value. The scalar functions help you simplify your code. For example, you may have a complex calculation that ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Dany Lepage discusses the architectural ...

A user-defined function is a mechanism with which you can write your own extensions to SQL. The built-in functions supplied with DB2 are a useful set of functions, but they may not satisfy all of your ...

Relational DBMSs allow users to extend the standard declarative SQL language surface using User Defined Functions (UDFs) that implement custom behavior. While UDFs offer many advantages, it is ...