how to set anything in database then he not allow duplicate rows in a table

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Published on 2010-05-05T12:20:20Z Indexed on 2010/05/05 12:38 UTC
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mysql

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database

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database-design

how to set anything in database then he not allow duplicate rows in a table means

name abc name abc means some row sames as each other then i need to take one copy of it and remove each other

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