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Duplicate content in lookup table
2022-07-24 16:30:00 【Weiwei became a father】
For example
stay A There is a field in the table “name”,
And between different records “name” The values might be the same ,
Now we need to find out the relationship between the records in the table ,“name” Value has duplicate entries ;
Select Name,Count(*) From A Group By Name Having Count(*) > 1If the gender is the same, it is as follows :
Select Name,sex,Count(*) From A Group By Name,sex Having Count(*) > 1 
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