Database Management System

Features Database Management System

✴ A database management system (DBMS) is system software for creating and managing databases.
The DBMS provides users and programmers with a systematic way to create, retrieve, update and manage data.
✴► A DBMS makes it possible for end users to create, read, update and delete data in a database.
The DBMS essentially serves as an interface between the database and end users or application programs, ensuring that data is consistently organized and remains easily accessible.
✦ 【Topics Covered in this App are Listed Below】⇢ Overview⇢ Architecture⇢ Data Models⇢ Data Schemas⇢ Data Independence⇢ ER Model - Basic Concepts⇢ ER Diagram Representation⇢ Generalization Aggregation⇢ Codds 12 Rules⇢ Relation Data Model⇢ Relational Algebra⇢ ER Model to Relational Model ⇢ SQL Overview⇢ Normalization⇢ Joins⇢ Storage System⇢ File Structure ⇢ Indexing⇢ Hashing⇢ Transaction ⇢ Concurrency Control ⇢ Deadlock ⇢ Data Backup⇢ Data Recovery⇢ What is a Database Management System?⇢ Who Interacts with a DBMS?⇢ Components of a Database System⇢ Basic Set Concepts⇢ DBMS Database Models⇢ Database Keys⇢ What is First Normal Form (1NF)?⇢ What is Second Normal Form?⇢ Third Normal Form (3NF)⇢ Boyce-Codd Normal Form (BCNF)⇢ Fourth Normal Form (4NF)⇢ create command⇢ ALTER command⇢ Truncate, Drop or Rename a Table⇢ INSERT SQL command⇢ UPDATE SQL command⇢ DELETE SQL command⇢ Commit, Rollback and Savepoint SQL commands⇢ GRANT and REVOKE⇢ SELECT SQL Query⇢ WHERE SQL clause⇢ SQL LIKE clause⇢ ORDER BY Clause⇢ Group By Clause⇢ HAVING Clause⇢ DISTINCT keyword⇢ AND & OR operator⇢ Division Operator in SQL⇢ SQL Constraints⇢ What are SQL Functions?⇢ Scalar Functions⇢ SQL Alias - AS Keyword⇢ SET Operations in SQL⇢ What is an SQL Sequence?⇢ SQL VIEW