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IT Prelim 2022 Section A SQL Walkthrough
Section A SQL
Question 1.1 – Simple SELECT (5:14)
Question 1.2 – Filtering with LIKE (3:11)
Question 1.3 – Calculated Fields & Aliasing (7:53)
Question 1.4 – UPDATE Statement (3:33)
Question 1.5 – Joins & DISTINCT (5:40)
Question 1.6 – Embedded SELECT & NOT IN (7:13)
Question 1.7 – Aggregation, GROUP BY, HAVING (10:42)
Question 1.8 – INSERT with Embedded SELECT (10:17)
Question 1.7 – Aggregation, GROUP BY, HAVING
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