When you start using Hive you may miss some of the functions you are used to from Oracle, MySQL or elsewhere. Or you might just want a profanity filter. Whatever the case you can browse our list below for a large selection of UDF libraries. You can also use the pointers listed to write your own.
Coming from a SQL Server background, UDFs might be something you instinctively avoid (or at least that’s the case with me). In practice, though, they’re a really good addition to the product.