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Database management system is software that is used to manage the database. Our DBMS Tutorial includes all topics of DBMS such as introduction, ER model, keys, relational model, join operation, SQL, functional dependency, transaction, concurrency control, etc.
We can further divide a NoSQL database into the following four types: Key-value storage: It is the simplest type of database storage where it stores every single item as a key (or attribute name) holding its value, together. Document-oriented Database: A type of database used to store data as JSON-like document.
Our Oracle tutorial includes all topics of Oracle database such as insert record, update record, delete record, select record, create table, drop table etc. There are also given Oracle interview questions to help you better understand the Oracle database.
SQL stands for Structured Query Language. It is used for storing and managing data in relational database management system (RDMS). It is a standard language for Relational Database System. It enables a user to create, read, update and delete relational databases and tables.
Jun 24, 2024 · Explore our comprehensive DBMS tutorial to master database management systems. Learn essential concepts like SQL queries, database models, normalization, and data security. Perfect for beginners and advanced learners aiming to enhance their database skills.
Normalization is used to minimize the redundancy from a relation or set of relations. It is also used to eliminate undesirable characteristics like Insertion, Update, and Deletion Anomalies. Normalization divides the larger table into smaller and links them using relationships.
SQL commands are instructions. It is used to communicate with the database. It is also used to perform specific tasks, functions, and queries of data. SQL can perform various tasks like create a table, add data to tables, drop the table, modify the table, set permission for users.
Database Management System or DBMS in short refers to the technology of storing and retrieving usersí data with utmost efficiency along with appropriate security measures. This tutorial explains the basics of DBMS such as its architecture, data models, data schemas, data independence, E-R model, relation model, relational database design, and ...
Structure of DBMS with DBMS Overview, DBMS vs Files System, Architecture, Three schema Architecture, Generalization, Specialization, Relational Model concept etc.
Data Model is the modeling of the data description, data semantics, and consistency constraints of the data. It provides the conceptual tools for describing the design of a database at each level of data abstraction.
