Fix: Aggregate Function Error When Running Query

Adding the GROUP BY clause is very efficient for most cases

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Updated onOctober 4, 2023

updated onOctober 4, 2023

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Key notes

Writing SQL scripts may be fun until you run into bugs and errors in your code. Afew of our readershave complained of the error messageyour query does not include the specified expression as part of an aggregate function.

The aggregate function may be tricky, but we will resolve it in this guide. However, you may check out our other guide if yourSQL Server query execution failed for a dataset.

Why do I get the error your query does not include the specified expression as part of an aggregate function?

Any of the following may be the reason you get the error:

You should consult our other guide if you havedifficulty login into Microsoft SQL Server.

How do I fix your query does not include the specified expression as part of an aggregate function?

Use the GROUP BY clause and aggregate function

What are the 5 aggregate functions in SQL?

In SQL, you may be able to use any of the following aggregate functions:

However, when using any of the above aggregate functions, remember the following extra considerations:

There you have it. You should now understand why you got the error, and by adapting our solutions, you should have success.

You may also be interested in our other guides, likerepairing a corrupted database in SQL serverlet.

Let us know if you found this guide helpful in the comment section below. Also, if you have other ways of fixing the error, we would love to hear from you.

Fix: Aggregate Function Error When Running Query#

Why do I get the error your query does not include the specified expression as part of an aggregate function?#

How do I fix your query does not include the specified expression as part of an aggregate function?#

Use the GROUP BY clause and aggregate function#

What are the 5 aggregate functions in SQL?#

Fix: Aggregate Function Error When Running Query

Why do I get the error your query does not include the specified expression as part of an aggregate function?

How do I fix your query does not include the specified expression as part of an aggregate function?

Use the GROUP BY clause and aggregate function

What are the 5 aggregate functions in SQL?