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275785018
PostgreSQL for Beginners: Learn Databases, Queries, Tables, and Practical Projects
Item #:
275785018
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PostgreSQL for Beginners is a practical, step-by-step guide to designing databases, writing useful queries, managing information safely, and completing realistic projects.
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Product Details
- Do you want to build real databases but feel overwhelmed by servers, tables, SQL commands, relationships, and unfamiliar technical tools?PostgreSQL for Beginners is a practical, step-by-step guide to designing databases, writing useful queries, managing information safely, and completing realistic projects with one of the world’s most capable relational database systems.Written for complete beginners, this book explains PostgreSQL in clear language without assuming previous database administration or programming experience. You will learn not only which commands to use, but why databases are structured in particular ways and how careful design protects the quality of your information.You will begin by installing PostgreSQL, connecting with psql and pgAdmin, and understanding how servers, databases, schemas, tables, rows, columns, and relationships fit together. From there, you will create tables, retrieve records, combine related information, summarize results, update data safely, and develop complete database projects.Inside this practical guide, you will learn how to:• Install PostgreSQL on Windows, macOS, or Linux• Understand the difference between the database server, psql, and pgAdmin• Create databases, schemas, tables, and relationships• Choose clear table names, column names, and suitable data types• Build primary keys and foreign keys• Model one-to-one, one-to-many, and many-to-many relationships• Retrieve information with SELECT• Filter, sort, calculate, and limit query results• Combine related tables with different types of joins• Summarize information with COUNT, SUM, AVG, MIN, and MAX• Build grouped reports with GROUP BY and HAVING• Protect data with NOT NULL, UNIQUE, CHECK, and key constraints• Add, correct, and remove records using safe workflows• Use RETURNING to inspect changed information• Protect multi-step changes with BEGIN, COMMIT, and ROLLBACK• Create indexes and read simple query plans• Organize reusable logic with subqueries, views, and common table expressions• Import, clean, and export CSV information• Create users, roles, privileges, and read-only reporting access• Understand basic backup, restore, and everyday database safetyThe final section brings these skills together through five complete projects:• A personal expense tracker• A student records database• A small-business inventory system• A sales reporting database• A customer-support ticket trackerEach project helps you practise planning tables, defining relationships, enforcing rules, inserting records, writing reports, and explaining your work clearly. You will also learn how to document your database projects and discuss them during interviews.Whether you are a student, aspiring developer, analyst, administrator, career changer, small-business owner, or self-taught technology learner, this book gives you a structured path from your first connection to complete database projects.Stop treating a database like a larger spreadsheet. Learn how to organize information properly, write readable SQL, protect relationships, make safe changes, and build systems you can understand and maintain.
| Publication date | July 7, 2026 |
| Language | English |
| File size | 635 KB |
| Screen Reader | Supported |
| Enhanced typesetting | Enabled |
| X-Ray | Not Enabled |
| Word Wise | Not Enabled |
| Print length | 269 pages |
| Page Flip | Enabled |
| Item Weight | 1 lbs (450 grams) |
Product Description
PostgreSQL for Beginners: Learn Databases, Queries, Tables, and Practical Projects
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Features & Benefits
- Ideal for complete beginners with no prior experience.
- Guides readers through installing PostgreSQL on multiple operating systems.
- Teaches how to create databases, tables, and relationships effectively.
- Equips users with query skills including filtering, sorting, and aggregating data.
- Includes five real-world projects for hands-on learning.
- Enhances understanding of data safety and database management best practices.
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