Just a quick note for myself. If we need to find duplicated values for a specific attribute (in this case attribute “taxvat” for the entity “customer” (for Magento 1):

  • First of all, we need to know the attribute id of our attribute code:
select attribute_id,attribute_code from eav_attribute where attribute_code = 'taxvat';
  • And then we execute the following query to find all the entries that are duplicated:
select value, count(*) c from customer_entity_varchar where attribute_id = '15' group by value having c > 1;

Categories: Development

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