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Posts Tagged ‘join’

SQL – Filtering WHERE condition on two rows

iStock_000005792139Medium I received the following question a couple of days ago from a programmer using the “Ask  a Question” form which you can access from the menu of this blog:

Given the following table:

Name Language
Nikhil Hindi
Nikhil English
Kisu Hindi
Kisu English
Rakesh Hindi
Kousik Bangali

How do I select names of persons who know both Hindi and English?

In this table, that query should return Nikhil and Kisu.

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