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
⇢ Codd's 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
Category : Education
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This app is just flawless .It covers mostly all the topics of the Database .I recommend all the users to prefer this app as it would be more beneficial. This app has all the topics covered that to in a very simple and easy understanding language.