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This version of MongoDB has some path breaking features, few are badly required and most of them has given for enhancement of its features. There are many features, but I am talking about in this article which is more important Continue readingMongoDB 4.4 new features→

I have faced many projects which are facing performance issue with MongoDB and I do call for tuning up the performance. What I do apparently in a quick succession, that I listed below the steps. Hardware Resource Firstly, quantify already Continue readingMongoDB performance tuning→

This article for those who just jump into MongoDB ocean from RDBMS world. First of all, I can tell you do not start finding stuff which usually support by RDBMS into MongoDB. When you decided to start learning MongoDB then Continue readingMongoDB auto increment field→

As we probably all know, shell script is badly required, when you thought to automate something in your operating system. We are here using Born shell(sh) and bash in linux ubuntu. cat /etc/shells #it will give us following shells /bin/sh Continue reading1. Shell script comment variable and wildcard→

CommandDescriptionExample&Run the previous command in the backgroundls &&&Logical ANDif [ “$X” -ge “0” ] && [ “$X” -le “9”]||Logical ORif [ “$X” -lt “0” ] || [ “$X” -gt “9” ]^Start of linegrep “^X”$End of linegrep “X$”=String equality (cf. -eq)if Continue reading3. Shell comparison operator & reference→