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How can i use rownumber () here?
I have this table Id cityName customer 1. Madrid. David 1. Madrid. Silva 1. Madrid. Mariya 2. Istanbul. Adi 3. Rome. Dina 3. Rome. Pedro 3. Rome. Dani 3. Rome. Indira 4. Chicago. Sally 4. Chicago. Ashtone But i want to have this Id cityName 1. Madrid 2. Istanbul 3. Rome 4. Chicago Can do you know the answer
2 ответов
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Do you want to remove the duplicate rows from the table? I couldn’t actually get your question.
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I want them to insert in a table