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#Database

Interview experiences & questions tagged Database

ExperiencesQuestions

Employees Earning More Than Their Manager

Medium

Write an SQL query to find employees earning more than their manager.

Zomatocoding

Nth Highest Salary SQL Query

Medium

Write an SQL query to find the Nth highest salary.

Zomatocoding

Database Schema Design

Medium

Explain your database schema and design decisions.

Zomatogeneral_knowledge

SQL Query Optimization

Medium

Discuss techniques for SQL query optimization, including the use of indexing, utilizing `EXPLAIN`, avoiding `SELECT *`, denormalization, and analyzing slow query logs.

Goldman Sachsgeneral_knowledge

API Design for Notification Feature

Hard

Design the APIs, data entities, relationships, and database schema for an Amazon feature called 'Notify Me' that informs users about sales. Consider how the feature interacts with the existing system.

Tekionsystem_design
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