Query optimization is the overall process of choosing the most efficient means of executing a SQL statement. SQL is a nonprocedural language, so the optimizer is free to merge, reorganize, and process in any order. Introduction Query enhancement Advantages Fundamental Considerations for Logic Design Query optimisation techniques and Common...

The default port for mongod and mongos instances. You can change this port with port or --port. The port 27017 is used for mongoDB server, an important module for EAP Controller. If the port 27017 is already occupied by some other applications or processes, the monogoDB cannot be initialed, and thus it will lead to the failure of the EAP...

A Transaction Processing System is a sort of communication system that, marts, changes, and retrieves the data business of the industry. Transaction processing systems also try to deliver predictable reaction times to submissions, although this is not as essential as for real-time scenarios. [contact-form-7 id="76417" title="Subscriber...

In this article, we will discuss the most important DBMS Interview Questions in order to make you familiar with the type of questions that can be asked during a job interview related to the Database Management System (DBMS). Basically, out of my personal experience, there is not any specific way or formula to get through an Interview Process and...

We have collected the most commonly asked Greenplum Interview Questions and Answers will assist you to prepare for the Greenplum viva questions and answers that an interviewer might ask you during your interview. There are a lot of opportunities from many reputed companies in the world. According to research, Greenplum has a market share of...

Neo4j is a leading graph database management system designed for efficiently storing, managing, and querying highly interconnected data. Unlike traditional relational databases, Neo4j is specifically tailored for graph-based data models, where relationships between entities are as crucial as the entities themselves. It employs a property graph...

Powerful Open-source Database PostgreSQL is a relational database management system (RDBMS) known for its robust features, extensibility, and strong emphasis on standards compliance. The development of PostgreSQL is a collaborative and community-driven effort characterized by an open-source ethos. Led by a core development team, this global...

Couchbase Server offers robust solutions for high availability in data operations, both for reading and writing. The platform employs a distinctive feature set to ensure data resilience and performance. High availability in Couchbase is achieved through a combination of intra-cluster replication, index replication, and disaster recovery...

NoSQL encompasses a wide variety of different database technologies that were developed in response to a rise in the volume of data stored about users, objects, and products. The frequency in which this data is accessed, and performance and processing needs. Relational databases, on the other hand, were not designed to cope with the scale and...

SQL Server Microsoft SQL Server is a relational database management system developed by Microsoft. As a database server, it is a software product with the primary function of storing and retrieving data as requested by other software applications—which may run either on the same computer or on another computer across a network (including the...