Technical interview

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Senior SQL Developer | Rewards Program

Contains following tasks:

1) Choice questions - assessing knowledge of SQL

2) Task [level: Hard] - PostreSQL - Rewards Program - Write a query which will find the top 3 ranked customers according to the revenue they created with all of their orders

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Tasks details:

SQL exercise

senior level
Skills: SQL PostgreSQL

PostreSQL - Rewards Program

Choice questions

senior level
Skills: SQL

5 choice questions

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