Well, you must have so many questions in you mind when you heard about anything which has more impact in the software industry. What is Btre ?
where it can be used? How to use this BTree? B-Tree is an extension of Binray Search Tree (BST). B-Tree of order m satisfy following properties.
Continue reading What is B-Tree?
There could be a chances of few question must be in your mind, like why we need role based access control? Why you required either role based or user based access privilege. The answer is simple and best way to described is :
Continue reading Why Role Based Access Control?
Well, here Role is same role which you think for any database. There is no difference from traditional database. you can grant previledges to a perticular user on some perticular database. here , terminology ‘namespace’ and ‘database’ are same so please don’t confuse with these two terminologies.
Continue reading Roles in mongoDB
mongod.conf is a configuration file in
mongoDB which is being used to read by mongodb server while startup. So, when you run
service mongod start command on linux termincal , mongodb read this property from
/etc/mongod.conf by mongoDB server.
Continue reading mongod.conf yaml file format example
Although there are different way of getting index size and data size in mongDB. I’m trying to explain the different way of doing this.
Continue reading How to get Index and data size in mongoDB?
In mongoDB, you can log slow query log as per your convenient for monitoring of your mongoDB either for collections scan or index scan. Most of the time you have built index and your query taking more time as per your expecation , so set profiling level and log slow query. Sometimes, even though you have built index on perticular field but still taking more than the expected time, you can log those query by setting profiler.
Continue reading Profiling for Slow Query Log in MongoDB
Well, There are different ways you can sort your different types of array , i.e. whether
int , byte, sort, String or any anoher type of
array (custome java object array). In this post, I tried to demonstrate primitive types array sorting by using in-built utility tool i.e.
java.util.Arrays class. Or if you have primitive types of array of string, then how can you sort by using
java.util.Arrays utility class in java.
Continue reading Sorting of Array using java.util.Arrays in java
Renaming a tag in git is very simple and straight forward.
Continue reading How to Rename Tag in GIT?
Step by step migration of any project from SVN to GIT. this is very simple by following the below steps.
Continue reading How to Migrate Project from SVN to GIT?
Adding of submodule and subproject in git is very simple and straight forward. Let us follow step by step command on your git terminal and you are done.
Continue reading GIT: How to Add submodule or subproject link to git branch?