Microsoft Azure has a good quality SDK for interfacing with the Azure table storage REST HTTP interface. In the early days of Azure table storage you had to build your own query urls and process raw http rest style responses. Now with the Azure SDK
There are a few scenarios where you may want to generate your own unique sequence identifiers. You may be using a database or big data store that does not offer an auto-increment sequence feature. Or maybe you just want a short memorable alpha numeric order