SQL Essential Training

This core SQL course covers querying, filtering, joins, aggregations, and writing efficient queries for relational databases. You’ll practise SELECT queries, multi-table joins, group and aggregate functions, and basic optimisation patterns to handle medium-sized datasets. The curriculum includes sample databases and exercises useful for analysts and developers alike.

• Skills you’ll learn: SELECT queries, joins, aggregations, GROUP BY usage, query optimisation basics.

Certificate: Certificate of completion provided upon finishing the course.

Requirements

• Access to a SQL environment or sample database; basic comfort with command lines or query editors.

Who this course is for

• Data analysts; BI professionals; developers; students.

Benefits

• Write SELECT queries with filters; join multiple tables correctly; aggregate and group data; optimize simple queries; understand indexes at a basic level.