DBMS

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Database Management Systems (DBMS) are software systems used to store, retrieve, and run queries on data. A DBMS serves as an interface between an end-user and a database, allowing users to create, read, update, and delete data in the database.. see-more

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Project Features


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Database Languages

Data Definition Language
Data Manipulation Language
Data Control Language
Transactional Control Language

Key Features of DBMS

Data modeling: A DBMS provides tools for creating and modifying data models, which define the structure and relationships of the data in a database.
Data storage and retrieval: A DBMS is responsible for storing and retrieving data from the database, and can provide various methods for searching and querying the data.
Concurrency control: A DBMS provides mechanisms for controlling concurrent access to the database, to ensure that multiple users can access the data without conflicting with each other.
Data integrity and security: A DBMS provides tools for enforcing data integrity and security constraints, such as constraints on the values of data and access controls that restrict who can access the data.
Backup and recovery: A DBMS provides mechanisms for backing up and recovering the data in the event of a system failure.
DBMS can be classified into two types: Relational Database Management System (RDBMS) and Non-Relational Database Management System (NoSQL or Non-SQL)
RDBMS: Data is organized in the form of tables and each table has a set of rows and columns. The data are related to each other through primary and foreign keys.
NoSQL: Data is organized in the form of key-value pairs, documents, graphs, or column-based. These are designed to handle large-scale, high-performance scenarios.

Several Types of DBMS

Relational DBMS (RDBMS): An RDBMS stores data in tables with rows and columns, and uses SQL (Structured Query Language) to manipulate the data.
Object-Oriented DBMS (OODBMS): An OODBMS stores data as objects, which can be manipulated using object-oriented programming languages.
NoSQL DBMS: A NoSQL DBMS stores data in non-relational data structures, such as key-value pairs, document-based models, or graph models.

Applications of DBMS:

Enterprise Information: Sales, accounting, human resources, Manufacturing, online retailers.
Banking and Finance Sector: Banks maintaining the customer details, accounts, loans, banking transactions, credit card transactions.
Finance: Storing the information about sales and holdings, purchasing of financial stocks and bonds.
University: Maintaining the information about student course enrolled information, student grades, staff roles.
Airlines: Reservations and schedules.
Telecommunications: Prepaid, postpaid bills maintance.

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