Mastering SQL Queries Column expressions, WHERE Clause and the LIKE Statement

Опубликовано: 06 Июнь 2026
на канале: Gethyn Ellis
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Part of my SQL Week series, where I provide a brief introduction on writing SQL Queries. The post looks at Column expressions, WHERE clause and using LIKE for Wildcard Searches

🔍 Video Highlights:

Columns & Expressions: Understand the core of SELECT statements, exploring columns and expressions in detail.

Column Aliases: Learn the art of renaming columns in your results for clearer, more effective data presentation.

Best Practices: Discover why 'SELECT *' is not always the best choice and how being specific with columns enhances performance.

WHERE Clause: Gain insight into filtering rows using WHERE clauses, a crucial skill for precise data retrieval.

Wildcard Searches: Explore the power of LIKE operator in performing wildcard searches, expanding your SQL toolkit.