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BT On Thi 4-En-Updated - Answer by minhvan9602 is a document available to read on EtoBox.

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The document provides SQL queries and relational algebra expressions to solve various database-related problems, such as listing departments with approved budget proposals, identifying budget proposals with unallocated amounts, and finding employees who have not performed approvals. It includes multiple methods for each query, demonstrating different SQL techniques like NOT EXISTS, GROUP BY, and subqueries. Additionally, it covers relational calculus for specific employee and department queries.

Author

minhvan9602

Language

EN