This is Architecture tutorial index page. you can find different tutorial article on architecture here.
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This is Elastic search tutorial index page.
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This article is about the admin job for mongoDB, in which I tried to explain, how to revoke privileges from any role to a user? In this post I tried to explain about user admin function i.e.
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How to Migrate users from MONGODB-CR to SCRAM-SHA-1? This article about migrating from one to another, here one to another is only directional , not applicable from bi-directional, what does it mean? It means you can migrate from MONGODB-CR to SCRAM-SHA-1 , not vice versa. Be careful once you migrated you can not go back to initial state.
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There are different way to connect the mongoDB in Java , it depends upone many factor, whether it’s stand alone server or installed in localhost or installed and configured in mongoDB replica set or sharding of mongoDB. Secondly, to consider of connecting to mongDB in java, whether by native mongoClient or mongoTemplate in Spring framework or any another approach. I tried to explain few easy step by step process in this article.
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This article is about how to add user in mongoDB as a admin user and database user.
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In this article I tried to explain how to update data in mongoDB in different options available in mongodb. You can update documents in mongodb using update function in different way. what are the different way of update function in mongoDB which is described in this post.
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Well, when you encounter to export your data to a file like
.csv. In first time in your life, you might think how to export dta into
.csv file in
MongoDB? but believe me this is very simple. Exporting of data is one step process in
mongoDB. exporting can be with different utility tool but I’m demonstrating here by command line argument.
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well, What are the caveats for relational developer in Apache Cassandra? Most of us came from Relational background so we somewhere think relational beauty in first go.
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CAP theorem states, you have option to pick only 2 at any point of time out of three: C, A or P.
– C stand for Consistency,
– A stand for Availability and
– P stand for Partition Tolerance.
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