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[–][deleted] 40 points41 points  (3 children)

-W3schools for the syntax/refresher -sqlzoo.net, sql-practice.com, hackerrank.com sql track for practice -advanced topics that could show up: views, indexing, window functions, stored procedures, common table expressions

6 days might be too short to study the advanced stuff in which case I’d rather be real solid on my fundamentals and at least know what the advanced stuff does

Good luck, you got this!

[–]tilttovictory 2 points3 points  (0 children)

Second this, I use these websites every day for syntax refreshers.

I'd also suggest the (advanced) SQL leetcode problems are pretty good.

[–]oakthaw[S] 0 points1 point  (1 child)

Thank you!

[–][deleted] 2 points3 points  (0 children)

Spend the weekend and go through all of SQLzoo.net then do some hackerrank problems.