SQL Optimization Tip#3 UNION with UNION ALL

Опубликовано: 23 Ноябрь 2023
на канале: Senior Classroom

Dive into the world of SQL optimization with this quick YouTube Shorts video!
Learn a valuable tip to enhance your query performance by substituting UNION with UNION ALL.

Discover how this simple switch can make a significant difference in result retrieval speed and query efficiency.
As a bonus, we'll explore the TOP clause to sample query results efficiently.

Stick around for a brief quiz that challenges you to identify the primary purpose of indexing in SQL optimization.

Sharpen your SQL skills and make your queries more efficient today! #SQLTips #UNIONALL #TOPClause #shortsviral

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