Module 4 Inserting Data into Tables

Master the fundamentals of SQL using PostgreSQL, one of the most powerful and widely used relational database systems! Whether you're a beginner looking to break into data management or a developer wanting to strengthen your SQL skills, this course will provide you with a solid foundation in database design, querying, and data manipulation.

⏯️ YouTube Playlist:
https://youtube.com/playlist?list=PLOLrQ9Pn6caykER3hgdEajMiT-OnCicLK&si=y4BKFtsF0XVDCQZ3

🚀 Udemy Course Link:
https://www.udemy.com/course/sql-fundamentals-postgresql/?referralCode=3ADAD1B84D5002E61B22

➡️ Source Code:
https://github.com/veryacademy/Courseware-SQL-Fundamentals-with-PostgreSQL-FreeView

You'll learn how to create databases, define tables, insert and manage data, perform complex queries, and optimize performance—all using real-world examples and best practices.

By the end of this course, you'll be confident in writing SQL queries and ready to apply your knowledge in real-world projects.

Learning Outcomes

By the end of this course, learners will be able to:
SQL Fundamentals & PostgreSQL Setup
 • Install and set up PostgreSQL within Docker.
 • Understand relational databases & SQL syntax.

Defining and Managing Tables
 • Create and modify tables using primary & foreign keys.
 • Define data types, constraints, and relationships.
 • Implement one-to-one, one-to-many, and many-to-many.

Inserting, Updating, and Deleting Data
 • Perform INSERT, UPDATE, and DELETE operations.
 • Use transactions & rollbacks for data integrity.
 • Load JSON & CSV data into PostgreSQL.

Querying and Filtering Data
 • Retrieve data using SELECT queries.
 • Filter records using WHERE, LIKE, IN, BETWEEN
 • Use ORDER BY, LIMIT, and OFFSET for pagination.

Joins & Relationships in SQL
 • Master INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.
 • Understand how to join multiple tables effectively.
 • Handle one-to-many and many-to-many relationships.

Aggregations & Grouping Data
 • Use COUNT, SUM, AVG, MIN, MAX for data aggregation.
 • Learn GROUP BY and HAVING for grouped data filtering.
 • Work with subqueries and derived tables.

Very Academy

Learn how to use the SQL insert statement to add new records to a PostgreSQL database table. This tutorial covers the basic syntax of the insert statement, how to specify table columns, and the importance of matching data types. It also highlights constraints, such as not null requirements and unique constraints, that must be respected when inserting data.

Inserting Data into Tables | SQL Fundamentals with PostgreSQL