Fill sparse table Test for Senior Database Developer | SQL
- Overall seniority level
- Test duration
- 45 minutes
- Tested skills:
Test is combined from various tasks. SQL task and Choice questions. All evaluated automatically.
SQL | Fill sparse table - Write a query that will return the list of all users with the creation date and return the date from the previous not-null row for the entries affected with the bug.
Tested skills: HSQLDB, MySQL, SQL
5 choice questions assessing knowledge of SQL
Tested skills: SQL
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