Dataford
Interview QuestionsInterview GuidesExperiencesMock InterviewsPricing
Get started

Duplicate Detection SQL

Medium
SQL & Data Manipulationquery optimizationsql
Asked 2mo ago|
Ascendion
Ascendion
Asked 1 times

Problem

Write a SQL query to identify duplicate records in a large dataset and explain your optimization strategy.

You are practicing as a guest. Sign up free to get your answer graded with AI feedback. Your draft stays right here.

Sign up freeI have an account
Sign up to unlock solutions
Ascendion Data Engineer Interview Questions
Next questions
Fannie MaeDuplicate Detection QueryMediumChethan's Charters- GD FEA EmployerSQL Duplicate Detection QueryMediumTeslaSQL Duplicate Detection and OptimizationMedium
0 / ~200 words