Database Roadmap
Step by step guide to becoming an Android developer.
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1General Introduction
Core concepts that form the foundation of the database world.
Data, Information, DBMS
Database Models
Advantages of DBMS over Files
2Data Models
Tools and concepts for describing and structuring data.
Entity-Relationship Model
ER Diagram
Relational Model
Relational Algebra
Data Constraints
3Database Language (SQL)
Learn the standard language to define, manipulate, and control data.
DDL: CREATE, ALTER, DROP
DML: SELECT, INSERT, UPDATE, DELETE
DCL: GRANT, REVOKE
T-SQL/PL-SQL
4Database Design
The process of turning requirements into an efficient database structure.
ER → Relational Model Mapping
Normalization (1NF, 2NF, 3NF, BCNF)
5Database Programming
Build business logic and optimize performance directly within the database.
Stored Procedures
Triggers
Views
Indexes
6Transactions and Concurrency
Ensuring data correctness with multiple simultaneous users.
Transactions and ACID
Concurrency Control
Deadlocks and Handling
7Recovery and Data Safety
Strategies to protect data from failures and loss.
Recovery Techniques
Backup and Restore
8Distributed and Advanced Databases
Expanding beyond the scope of a single database server.
Distributed Databases
Data Fragmentation and Replication
NoSQL Database Systems
9Real-world Applications
Seeing the role of databases in modern software systems.
Management Systems
Banking Systems, E-commerce
Big Data and Cloud