Summarised queries
Difficulty: Advanced
Duration: 9 minutes and 39 seconds
Students: 4,352
Rating: 3.5/5
In this Lesson, we go beyond the basics to empower you with the skills, how-to knowledge, and hands-on expertise to work through and solve complex business issues with SQL. We go deep and hands-on with transactions, subqueries, inline views, summarised queries, the exists predicate and set operations.
This Lesson is built from content created and delivered by Ian Wallington of QA.
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This content is developed in partnership with QA
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