Introduction to sharding

Introduction to sharding Sharding: Sharding is a process of distributing the data across multiple machines. The distribution is done based on the specific key called the shard key. This allows MongoDB to handle large datasets and higher read/write operations. MongoDB supports horizontal scaling through Sharding.… Read More

Indexes in MongoDB

Indexes in MongoDB Index: Index is a data structure that enhances the data retrieval efficiency by storing the small portion of the collection’s data along with the pointers to their physical location in the collection. 👉 MongoDB indexes use B-tree data structure. 👉 Indexes help… Read More

Roles in MongoDB

Roles in MongoDB MongoDB uses Role Based Access Control (RABC) to provide access to any MongoDB system. MongoDB supports multiple authentication methods like x.509 Certificate Kerberos Authentication and may like these authentication methods and the access to the database granted through the role-based authorization. There… Read More

Databases In MongoDB

Databases In MongoDB In MongoDB the databases are divided in to two types based on the data they store they are. 1. Default databases 2. Non default databases Non default databases: The databases that are created explicitly depend on the needs of the users. Default… Read More

Datapump export and import from Source PDB to Target PDB

Datapump export and import from Source PDB to Target PDB.

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