MOCKSTACKS
EN
Questions And Answers

More Tutorials









SQLServer Functions Aggregate

Conditional aggregation


select customer,
 sum(case when payment_type = 'credit' then amount else 0 end) as credit,
 sum(case when payment_type = 'debit' then amount else 0 end) as debit
from payments
group by customer

select customer,
 sum(case when payment_type = 'credit' then 1 else 0 end) as credit_transaction_count,
 sum(case when payment_type = 'debit' then 1 else 0 end) as debit_transaction_count
from payments
group by customer



Conclusion

In this page (written and validated by ) you learned about SQLServer Functions Aggregate . What's Next? If you are interested in completing SQLServer tutorial, your next topic will be learning about: SQLServer Functions Scalar Single Row.



Incorrect info or code snippet? We take very seriously the accuracy of the information provided on our website. We also make sure to test all snippets and examples provided for each section. If you find any incorrect information, please send us an email about the issue: mockstacks@gmail.com.


Share On:


Mockstacks was launched to help beginners learn programming languages; the site is optimized with no Ads as, Ads might slow down the performance. We also don't track any personal information; we also don't collect any kind of data unless the user provided us a corrected information. Almost all examples have been tested. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. By using Mockstacks.com, you agree to have read and accepted our terms of use, cookies and privacy policy.