need a help to retrieve data from 2 diif table

5 pts.
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Oracle proprietary joins
we have 2 tables where only 1 column data available for comparison and also returns more than 1 row what to do 


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sql developer
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Have you tried the DISTINCT keyword?

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  • TheRealRaven
    What to do will depend on what result you need. Why does it matter if a query "returns more than 1 row"? That's very common. If more than one row results, what are you wanting to happen?

    Showing a few examples from the tables, along with the result that you want, will help us know how to respond.
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  • Subhendu Sen
    Have you written some codes? What error is there? Please come with your code that can be helpful to get reply quickly.
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  • ToddN2000
    Post the code you have tried so we can get a better understanding of the tables and columns in question. If you are looking for just one returned row, is it solely on the join column? If so then use DISTINCT like Splat mentioned, If it by more that one column then you need the GROUP BY.  Without seeing what you have this is my best guess. 
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  • Subhendu Sen
    Please check here for more help, https://www.tutorialspoint.com/sql_certificate/get_data_from_multiple_tables.htm
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  • ToddN2000
    Post your code and we can show you how to correct it. It is not a difficult task. We are glad to help you figure out your issue but trying it helps reinforce the knowledge. 
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