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Database Design and Basic SQL in PostgreSQL

Database Design and Basic SQL in PostgreSQL Course

A well-structured and accessible introductory course focused on PostgreSQL and foundational database design. Recommended for beginners or professionals looking to formalize SQL skills and table modeli...

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9.8/10 Highly Recommended

Database Design and Basic SQL in PostgreSQL on Coursera — A well-structured and accessible introductory course focused on PostgreSQL and foundational database design. Recommended for beginners or professionals looking to formalize SQL skills and table modeling knowledge.

Pros

  • Hands-on assignments with real PostgreSQL usage through psql.
  • Clear breakdown of relational concepts like normalization and keys.
  • High learner review score (~4.8/5).

Cons

  • Some learners note certain concepts feel abstract without real-world context.
  • Only covers one course; subsequent specialization modules are separate.

Database Design and Basic SQL in PostgreSQL Course

Platform: Coursera

What will you learn in Database Design and Basic SQL in PostgreSQL Course

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  • How to use SQL in PostgreSQL to implement CRUD operations, manage database schema, and work in the psql console.

  • Relationships modeling in relational databases: primary, foreign, and logical keys, as well as one-to-many and many-to-many structures.

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  • Core principles of database design, including normalization and schema planning, grounded in real-world examples.

  • Comparisons between SQL and NoSQL design paradigms and when to use each.

Program Overview

Module 1: Introduction to SQL & CRUD

⌛ 1 week

  • Topics: History of relational databases, basic SQL operations (INSERT, SELECT, UPDATE, DELETE)

  • Hands-on: Building and manipulating tables using psql and CLI commands

Module 2: Single-Table SQL & Data Retrieval

⌛ 1 week

  • Topics: Filtering with WHERE, ordering with ORDER BY, SELECT DISTINCT, grouping basics

  • Hands-on: Query exercises on flat and simple relational datasets

Module 3: Relational Modeling: One-to-Many & Many-to-Many

⌛ 1 week

  • Topics: Entity relationships, join logic, referential integrity enforcement

  • Hands-on: Designing and querying normalized relational data structures

Module 4: Advanced Relationships, Indexing & Design Reflection

⌛ 1 week

  • Topics: Final schema designs for many-to-many relationships, normalization schemes

  • Hands-on: End-of-course modeling assignment building a working relational example

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Job Outlook

  • Skills in SQL and database design are fundamental for roles in backend development, data engineering, BI analysis, and digital analytics.

  • Proficiency in PostgreSQL is especially valued in tech industries, cloud-based applications, and data-driven enterprises.

  • Typical salary range: $70K–$110K+, depending on role and region.

  • Strong portfolio value for technical roles and system design planning.

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FAQs

Will I gain practical experience using PostgreSQL commands and queries?
Execute CRUD operations using INSERT, SELECT, UPDATE, DELETE. Apply filtering, ordering, grouping, and joins in queries. Practice creating and managing tables with real data. Implement normalized relational schemas for real-world scenarios. Skills directly transferable to backend development and analytics projects.
How long will it take to complete the course and hands-on exercises?
Four modules with 1 week each (total ~4 weeks). Covers SQL basics, single-table queries, relational modeling, and advanced relationships. Self-paced format allows flexible learning. Hands-on exercises included for practical experience. Suitable for learners looking for structured, short-term skill acquisition.
Can this course help me advance my career in backend development or data roles?
Prepares learners for roles like Backend Developer, Data Analyst, or Data Engineer. Builds foundational skills for BI analysis, reporting, and analytics. Enhances employability in cloud, tech, and data-driven companies. Hands-on PostgreSQL experience adds value to professional portfolios. Teaches practical, industry-relevant SQL techniques.
Will I learn to design relational databases effectively?
Teaches entity relationships, one-to-many and many-to-many structures. Covers normalization techniques to reduce redundancy. Includes designing and querying real-world relational datasets. Introduces best practices for schema planning. Reinforces learning through hands-on assignments and exercises.
Do I need prior SQL or database experience to take this course?
No prior experience required; suitable for beginners. Introduces PostgreSQL setup, CRUD operations, and psql usage. Explains relational database concepts, including primary and foreign keys. Covers normalization and schema design for practical applications. Ideal for learners wanting hands-on SQL and database modeling experience.

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