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Computer Subject / DBMS

DBMS

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How to Choose a Database Management System

Last Updated: 19 July 2025

In any system built on a Database Management System (DBMS), selecting the right database is a key architectural decision. It influences data consistency, performance, scal...read more

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DBMS-Relational Model

Computer Science and Engineering

HOLAP (Hybrid OLAP)

Last Updated: 19 July 2025

Hybrid OLAP (HOLAP) combines the best of MOLAP and ROLAP. It stores summary data in multidimensional cubes for fast queries and keeps detailed data in relational databases...read more

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Last Updated: 23 July 2025

Discretization is the process of converting continuous data or numerical values into discrete categories or bins. This technique is often used in data analysis and machine...read more

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ROLAP (Relational OLAP)

Last Updated: 23 July 2025

Online Analytical Processing (OLAP) is a technology that allows users to interact with large datasets for analytical purposes. Relational Online Analytical Processing (ROL...read more

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Difference between Data Mart, Data Lake, and Data Warehouse

Last Updated: 23 July 2025

A Data Mart, Data Lake, and Data Warehouse are all used for storing and analyzing data, but they serve different purposes. A Data Warehouse stores structured, processed da...read more

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MOLAP (Multidimensional OLAP)

Last Updated: 19 July 2025

Multidimensional OLAP (MOLAP) is a fast and efficient data analysis technology that stores data in pre-aggregated multidimensional cubes. These cubes allow quick access to...read more

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RDBMS Benefits and Limitations

Last Updated: 23 July 2025

RDBMS (Relational Database Management Systems) are widely recognized as a key solution for efficiently storing, managing, and retrieving large amounts of data. Relational ...read more

Data Warehousing Tutorial

Last Updated: 23 July 2025

Data warehousing refers to the process of collecting, storing, and managing data from different sources in a centralized repository. It allows businesses to analyze histor...read more

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Computer Science and Engineering

Last Minute Notes (LMNs) - Data Warehousing

Last Updated: 24 January 2025

A Data Warehouse (DW) is a centralized system that stores large amounts of structured data from various sources, optimized for analysis, reporting, and decision-making. Un...read more

Super Key in DBMS

Last Updated: 23 July 2025

Keys in DBMS play an important role in maintaining the integrity and uniqueness of data. Among these, the super key is one of the fundamental concept. It helps in designin...read more

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DBMS-Normalization

Databases (DBMS) for GATE Exam

Last Updated: 23 July 2025

Here's a complete tutorial on Database Management System (DBMS) for the GATE CSE exam. Whether you're revising or starting fresh, this tutorial will help you prepare effec...read more

Batch Apex in Salesforce | Managing Large Data Volumes

Last Updated: 23 December 2024

Salesforce is a robust platform designed to streamline business processes and manage customer relationships effectively. One of its key features is Batch Apex, a mechanism...read more

Salesforce 2025

Why Every Software Developer Should Know About DBMS and RDBMS?

Last Updated: 23 July 2025

Data management is an important part in developing efficient, reliable, and scalable applications. This is where DBMS and RDBMS come into play. Understanding the basic pri...read more

Difference Between Soft Delete and Hard Delete

Last Updated: 23 July 2025

In data management, deciding how to delete information is important. Two common methods are Soft Delete and Hard Delete. Soft Delete allows data to be marked as deleted bu...read more

Difference Between Monolithic Database and Polyglot Persistence

Last Updated: 23 July 2025

When designing software systems, choosing the right database approach is crucial. Two common strategies are using a Monolithic Database or adopting Polyglot Persistence. E...read more

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