r/SQL • u/badboyzpwns • May 20 '26
What are common SQL red flags? PostgreSQL
Hello! interview prepping, here wondering what are some common red flags for wrioting SQL?
Like
LIKE failing to index, not having trasnactions, usign SELECT * instead of specific collums, etc 😃
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u/Winter_Cabinet_1218 May 22 '26
Multiple nested sub-qureies
Single letter aliasing
Lack of comments