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MongoDB Introduction and project overview
Primary Reasons why MongoDB project came about:
Following are the important reasons behind the introduction of MongoDB to the world.
Scalability:
1. Hardware changes like the following that made it necessary for a new DB to be developed:
Distributed environment
Cloud Computing
Importance of Parallel Processing
Application that uses lots of CPU cores
2. Scaling without incurring significant costs (Ex: Companies moving to big data)
Development Speed:
Making application easier to manage
Relational DB technology is old
Complex Data:
Ability to deal with complex, unstructured data
Mongo DB Characteristics:
MongoDB uses concept of NOSQL (Not Only SQL).
Uses Horizontal scaling methodology (for building large clusters) instead of vertical scaling.
Uses document oriented structure to store object style data which is a JSON (Java Script Object Notation) which is language independent.
Document is the basic unit of storage and document is stored as a unit
Mongo Query language is built out of JSON
MongoDB uses JSON oriented database, internally the data is stored as BSON (Binary JSON)
Why should oracle dba upgrade their mongodb skills?
As a seasoned oracle DBA if you are in middle level DBA , Senior oracle DBA it is right time to start thinking about a NoSQL database. Note that this does not have to be a total s witch onto mongodb as is the cc case with switching from oracle DBA to SQL Server. However, if you have job experience as an Oracle DBA now, think about learning MongoDB without any delay.
The first step towards becoming MongoDB DBA is to prepare for the MongoDB DBA exam. Note that appearing for the exam, clearing te certification is totally optional. If you can afford to do it go ahead. All we need is to have hands on practice on the concepts covered in this C100DBA exam
Organizations are serious about bigdata. NoSQL databases are the right data solution to host bigdata. There are amny popular nosql databases in the market starting with cassandra, couchDB, apache HBase. However, organizations that do have oracle implementation are actively looking for candidates wit mongoDB DBA skills. If you look at a typical job profile for a new big data project the candidate is expected to have current experience in oracle database administration. However, this does not stop here. MongoDB the most popular nosql database offers enterprise nosql solution. IF you look from strategic perspective, top professionals in mongodb are being hired from oracle corporation. As such mongodb is the preferred choice as there will be great comparability in the form of data migration tools from oracle onto mongodb. Subscribe with us today to learn interesting mongodb articles for free