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NoSQL For Dummies
book

NoSQL For Dummies

by Adam Fowler
February 2015
Beginner to intermediate content levelBeginner to intermediate
456 pages
10h 3m
English
For Dummies
Content preview from NoSQL For Dummies

Chapter 34

Ten Advantages of NoSQL over RDBMS

In This Chapter

arrow Saving development time

arrow Increasing flexibility

arrow Reducing cost

I’ve said throughout this book that NoSQL databases are not a direct replacement for an relational database management system (RDBMS). For many data problems, though, NoSQL is a better match than an RDBMS. I point out the most useful advantages in this chapter.

Less Need for ETL

NoSQL databases support storing data “as is.” Key-value stores give you the ability to store simple data structures, whereas document NoSQL databases provide you with the ability to handle a range of flat or nested structures.

Most of the data flying between systems does so as a message. Typically, the data takes one of these formats:

  • A binary object to be passed through a set of layers
  • An XML document
  • A JSON document

Being able to handle these formats natively in a range of NoSQL databases lessens the amount of code you have to convert from the source data format to the format that needs storing. This is called extract, transform, and load (ETL).

Using this approach, you greatly reduce the amount of code required to start using a NoSQL database. Moreover, because you don’t have to pay for ...

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Publisher Resources

ISBN: 9781118905746