SQL Link SQL Statement to table to get a name

Hi
How do I alter the following SQL so that it links to a table called Customers to get [Customer Name]
(The Table Customers has CustomerID,[Customer Name]....)

select
 CustomerID, sum(amount) amount
 from
  (
    select [Link ID] CustomerID, Amount * -1 As Amount from payments
    union all
    select customerId, [inv amt] from invoices
 ) SubQuery
 group by CustomerID
Murray BrownMicrosoft Cloud Azure/Excel Solution DeveloperAsked:
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Scott PletcherSenior DBACommented:
select
  SubQuery.CustomerID, c.[Customer Name], sum(SubQuery.amount) amount
  from
   (
     select [Link ID] CustomerID, Amount * -1 As Amount from payments
     union all
     select customerId, [inv amt] from invoices
  ) SubQuery
inner join customers c on
    c.CustomerID = SubQuery.CustomerID
group by SubQuery.CustomerID
0

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Murray BrownMicrosoft Cloud Azure/Excel Solution DeveloperAuthor Commented:
Thanks very much
0
Scott PletcherSenior DBACommented:
You're welcome.

D'OH, I didn't add the name to the GROUP BY (just to be clear to anyone else looking at this):

group by SubQuery.CustomerID, c.[Customer Name]
0
Murray BrownMicrosoft Cloud Azure/Excel Solution DeveloperAuthor Commented:
Thanks. Picked that up. appreciate the help
0
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Microsoft SQL Server

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