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Table Relations - Exercise

Contest details

Table Relations - Exercise
Allowed languages: | PG run queries & check DB | PG run skeleton, prepare DB & run queries | PG run skeleton, run queries & check DB |
Contest participants: 227
Practice participants: 678

Problems

01. PRIMARY KEY

Problem Description

Database

02. Remove Primary Key

03. Customs

04. Car Manufacture

06. Photo Shooting

08. Study Session

10. Online Store

11. Delete Cascade

12. Update Cascade

13. SET NULL

14. Peaks in Rila

15. Countries Without Any Rivers

Practice
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