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목록3번 join (1)
ror_coding
[HackerRank] Placements
Question You are given three tables: Students, Friends and Packages. Students contains two columns: ID and Name. Friends contains two columns: ID and Friend_ID (ID of the ONLY best friend). Packages contains two columns: ID and Salary (offered salary in $ thousands per month).Write a query to output the names of those students whose best friends got offered a higher salary than them. Names must ..
Coding Test/SQL
2025. 6. 14. 15:16