In MongoDB you must have ID for each collection you create and the data type that you can store in the ID field is limited only to arrays in other word you can use all...
Read MoreCategory "Database"
What is collection in NoSQL databases? Specifically in MongoDB
In NoSQL databases world there is no tables instead you store your data in collections which is similar to normal relation database table they are not really a table in structure but if you compare...
Read MoreHow data is stored in MongoDB
Your application always stores the data that is given to it by the user in the memory and then it stores that data to a storage medium device mainly the disk or other type of...
Read MoreHow In-Memory Database works? specifically SAP HANA
SAP HANA is a new technology build by SAP to fill lack of speed some other database were lacking, SAP HANA is a in memory column-oriented, relational database management system which stores all the data...
Read MoreFor demo purpose we are going to configure three servers primary, secondary and arbiter servers and we are going to do this in local computer for testing purpose only in real world you need separate servers or you can use virtual machine to use seprate virtual machines for each servers,open command line and paste the...
[ Click to Continue ]In typical database environment we need to have back up of our database because if we don’t have if in any case our database goes down it will be disaster and typically we have our database back up in a timely interval and then once something goes wrong we restore our data from the latest...
[ Click to Continue ]NoSQL database is broken down to 4 Major categories and in this article I would go briefly over types of them and what particular jobs of storing data they are doing and also I would like to mention some of the big names who fall under those 4 categories. Key-Value Stores: Key valued stores are...
[ Click to Continue ]Let’s talk about NoSQL in the cloud and how many companies have their own flavor of NoSQL database, there is no doubt about that NoSQL and cloud co-existed for long time like if you think about scalability of the web that is happening around the “world wide web” it’s all mostly because of NoSQL and...
[ Click to Continue ]So let’s crack up this mystery that if there is No SQL in a database then how we can run our queries where there is no SQL, to understand how our queries works in NoSQL database I’m going to introduce to you a method that can make you understand this in very basic level broken...
[ Click to Continue ]It’s normal to run your database in auto mood that when you start your computer MongoDB should run as service in background without even initiating any command line for that, in windows machine which I will be showing you the steps we can do it by installing MongoDB as service but in linux environment we...
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How to configure replica set in mongoDB