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 How to find unique values without using distinct function in SQL Server ?
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Posted on 01-10-19 8:47 PM     Reply [Subscribe]
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I have a table with multiple duplicate values.
It has 2 columns: FirstName and LastName .
Now I want to select only unique values without using Distinct function.
Please help.

Thanks
 
Posted on 01-10-19 9:20 PM     [Snapshot: 24]     Reply [Subscribe]
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You could use Group by or Union, something like below

Select FirstName, LastName, count(*) as Count
from Name
Group by FirstName, LastName
Having Count(*) = 1
 
Posted on 01-11-19 9:47 AM     [Snapshot: 148]     Reply [Subscribe]
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Thank you Lee_St

Almost close but I need 1 unique value from the duplicate value as well.
For example:-
FirstName LastName
A B
A B
In this case I need the answer only 1 FirstName A and LastName B
Using above query removes both A and B.
 
Posted on 01-11-19 3:02 PM     [Snapshot: 230]     Reply [Subscribe]
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Select FirstName, LastName
from Name
Group by FirstName, LastName
 
Posted on 01-11-19 3:27 PM     [Snapshot: 237]     Reply [Subscribe]
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Do not use having clause.
 
Posted on 01-14-19 12:37 PM     [Snapshot: 410]     Reply [Subscribe]
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