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Interview experiences & questions tagged Sql
Retrieve the top 3 highest-paid employees from each department using window functions.
Write an SQL query to find employees earning more than their manager.
Write an SQL query to find the Nth highest salary.
Discuss techniques for SQL query optimization, including the use of indexing, utilizing `EXPLAIN`, avoiding `SELECT *`, denormalization, and analyzing slow query logs.
Briefly explain various SQL query optimization techniques, including indexing, avoiding SELECT *, using EXPLAIN, denormalization, and slow query analysis.
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