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Activity › Forums › Salesforce® Discussions › How to create Master Details relationship between existing records in Salesforce?

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  • chanchal kumar

    Member
    August 14, 2018 at 1:36 PM

    Hello Prachi,

    First we have to create the lookup relationship then populate the value on all existing record and then convert it into Master Details relationship.

     

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  • Parul

    Member
    September 12, 2018 at 4:36 AM

    Hi

    You can’t create a master-detail relationship if the custom object already contains data.

    You can, however,first create the relationship as a lookup and then convert it to master-detail if the lookup field in all records contains a value.

     

    Thanks

  • shariq

    Member
    September 15, 2018 at 12:52 PM

    Hi,

    Firstly create a lookup field then fill this field with some parent value, then convert its type to master detail.

    Hope this helps.

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