MC03: SQL
Our SQL Masterclass is a comprehensive workshop designed to take participants from the basics of querying to advanced SQL techniques. By the end of the session, you’ll be equipped to extract, manipulate, and analyse data efficiently, with practical skills you can immediately apply in your role.
Introduction to SQL
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Understanding relational databases, tables, schemas, and keys.
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Overview of SQL’s role in data analysis and business operations.
Querying Essentials
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Retrieving data with SELECT statements.
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Filtering and sorting data using WHERE, ORDER BY, and LIMIT clauses.
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Hands-on practice with sample datasets.
Joins and Relationships
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Exploring INNER, LEFT, RIGHT, and FULL OUTER JOINS.
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Working with multiple tables and understanding database relationships.
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Practical applications for combining datasets effectively.
Advanced SQL Techniques
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Aggregate functions (SUM, COUNT, AVG, etc.) and GROUP BY.
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Creating more complex queries with subqueries and window functions.
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Hands-on exercises for building summary reports.
Query Optimisation
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Best practices for writing efficient SQL queries.
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Identifying and avoiding common pitfalls in database querying.
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Practice session: Refining and optimising sample queries.
Real-World Application Project
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Apply all learned concepts to a guided project, such as analysing sales trends or creating a customer segmentation report.
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Instructor feedback and collaborative problem-solving.