Job-Ready SQL in an Afternoon

Unlock the power of data with SQL! This course provides a comprehensive introduction to SQL databases, a fundamental skill for any aspiring data professional. Gain a solid understanding of how to effectively manage and manipulate data, and learn to seamlessly integrate SQL with Python for building dynamic and automated systems.

We'll begin with the core concepts of relational databases, including understanding schemas, various data types, and how database tables are structured. You'll then set up your own Postgres database locally and populate it with sample data, providing a practical environment for hands-on practice.

Next, dive into writing SQL code! We'll cover essential operations like creating databases and tables, inserting and selecting data, and applying filtering and result ordering to master basic SQL queries. This foundational knowledge is crucial for understanding data organization and building effective data retrieval strategies.

Then, we'll advance your SQL skills with more complex techniques:

• Aggregations: Summarize and analyze data.
• Subqueries: Write queries within queries for powerful data filtering.
• Joins: Combine data from multiple tables.
• Unions: Combine result sets from different queries.
• Window Functions: Perform calculations across a set of table rows that are related to the current row.

By the end of this course, you'll be well-prepared to confidently apply SQL in technical interviews and real-world job scenarios. Master SQL and become proficient in data handling – a highly sought-after skill in today's data-driven world.