Essential PostgreSQL

PostgreSQL, a robust and versatile relational database management system (RDBMS), is gaining immense popularity due to its reliability, scalability, and rich feature set. This book is your indispensable companion to mastering PostgreSQL, helping you become a great PostgreSQL developer and create amazing database-driven applications.

This book provides a thorough introduction to PostgreSQL, covering the fundamentals of database creation and management to advanced topics like data modeling, query optimization, and performance tuning. Explore PostgreSQL’s powerful features, including multi-version concurrency control (MVCC), data types, constraints, and indexing. Learn how to install, configure, and apply PostgreSQL in real-world scenarios. You will also develop essential SQL skills to manipulate and analyze data, design efficient schemas with normalization, and use stored procedures and triggers to automate tasks effectively.

By the end of this book, you will have a solid understanding of PostgreSQL's core concepts and best practices. You will be able to create complex database structures, write efficient SQL queries, optimize database performance, and implement robust data management strategies.

KEY FEATURES

* A comprehensive overview of PostgreSQL, covering all essential topics from database fundamentals to advanced features.
* Relates concepts to real-world scenarios, helping you understand how to apply PostgreSQL in practical applications.
* Provides step-by-step instructions and guidance, making it easy to follow along and learn effectively. It also includes MCQs in each chapter to engage the readers.

WHAT YOU WILL LEARN

* Database fundamentals like creation, structure, data types, and constraints.
* Data manipulation operations like insert, update, delete, retrieve, filter, and sort.
* Subqueries, joins and data formats for advanced data manipulation
* Optimize database performance using indexes and views.
* Examine closely advanced topics like transactions, procedures, functions, triggers, and administration.

WHO THIS BOOK IS FOR

This book is for anyone who wants to learn or improve their skills in using PostgreSQL. It is suitable for developers, data analysts, database administrators, and students who are interested in working with databases and building data-driven applications.

SECTION 1: Let Us Sail With PostgreSQL
1. Get Started with PostgreSQL
2. Working With Database
3. Working With Schema and Table
SECTION 2: DDL
4. Managing Table and Datatype
5. Understanding Constraints
6. Alter Table Structure
SECTION 3: DQL
7. Displaying Data from Database Tables
8. PostgreSQL Clauses and Operators
SECTION 4: DML
9. Adding Data to Tables
10. Updating and Deleting Rows
11. Fetching Data using Subquery and Joins
12. Increasing Performance Using Index and View
SECTION 5: TCL, DCL
13. Transaction Control Language
14. Data Control Language Commands
SECTION 6: PL/PgSQL
15. Anonymous Block and Postgres Procedure
16. Postgres Stored Functions and Triggers
17. Administrator’s Responsibilities
Appendix A: Postgres Connectivity with Java
​​Appendix B: String and Math Function
Appendix C: Northwind Database
Appendix D: Postgres Error Codes
Appendix E: Test Yourself

Swati Saxena is currently working as a corporate trainer with a well-known MNC. She imparts technical training in reputed software organizations like Infosys, IBM, HCL, ICT, and many other companies and also in universities all over India. She has worked as an Assistant professor in the Computer Science department in a technical university. She is an MCA, Oracle Certified Java Professional (OCJP), Python Programmer certified (PCEP), and ADST, with in-depth knowledge of the subject and vast experience in developing and training.

She has also published research papers in various International journals. She is a well- known author of computer science books and has written books for BCA, MCA, and BTech students as per the NCERT syllabus for the XI-XII standard.

She has been awarded with following prestigious awards for her writing work-
1. Jaipur Ratan Award
2. Pratibha Samman
3. Rajasthan Women Achievement Award
4. Swami Vivekananda National Award

Her mentors and students consistently praise her knowledge and teaching. Her alumni are well-placed in many reputed organizations all over India and abroad. She has written books such as “C Programming and Coding Question Bank with Solution,” Java-A Complete Practical Solution, Kotlin At A Glance,“Cracking Kotlin Interview,” and “Python Interview Questions” for BPB Publications.

She has also written many books on Computer Science for engineering, MCA, and competitive exams aspirants.