How do I insert two columns in SQL?
Add multiple columns in table. You can use the ALTER TABLE statement in SQL Server to add multiple columns to a table.
Can I use two columns in group by in SQL?
SELECT Statement: The GROUP BY Clause in SQL A GROUP BY clause can contain two or more columns—or, in other words, a grouping can consist of two or more columns.
Can you use a subquery in a Case Statement?
Subquery Example The following query example uses the Subquery inside a Case Statement in SQL Server. First, the Subquery will execute and finds the Average of the Sales amount. Next, it will check whether the Sales are greater than Average Sales (1970.9055).
Can you evaluate different columns in the case statement?
If you, say, want to return two columns, each based on some condition, then you need to use two CASE expressions. Yes, you can evaluate different columns in the CASE statement.
How do you return two values in a case statement?
A CASE expression returns *one* value. If you, say, want to return two columns, each based on some condition, then you need to use two CASE expressions. Yes, you can evaluate different columns in the CASE statement.
What are the examples of multiple columns in SQL?
Similarly, another example of multiple columns can be: Write a query which gave the names and salary of all employees working in an organization. So here we have to select 2 columns of name and salary. The examples above make us understand that selection of columns is very important while learning SQL.
Is it possible to return multiple values from a case query?
No, CASE is a function, and can only return a single value. I think you are going to have to duplicate your CASE logic. The other option would be to wrap the whole query with an IF and have two separate queries to return results. Without seeing the rest of the query, it’s hard to say if that would work for you. Show activity on this post.