Sum distinct case when

The keyword DISTINCT is used to remove or ignore duplicate records. SQL SUM and CASE and DISTINCT. The problem with this is that there are only males and females, and that when I add the tblActivites, it seems to give duplicates. Returning sum case on distinct values. I want to sum a few values using case statements.

For example, in my sample below this returns entries for redeven though entry does not fit any of the criteria above, but the Group By messes me up! Distinct sums of case statements. Here is the query to achieve required result along with the output. Note the usage of ‘distinct’ clause outside of case statement. I use a CASE statement to perform a COUNT all the time.

Usually I do this to set a condition, usually time based. What is the best way to sum the distinct fields only. I clean that up by using a DISTINCT.

I think, because you may not find the Total where you want it to be. Proc SQL is possible to have the SUM of distinct values of a specific variable. I need an option in this Proc that sum values of a variable referring to different values of another variable. Another way could be the proc sort nodupkey and then the proc freq.

You can’t just group by City and use COUNT(DISTINCT customer) because it has to be divided by VIP too. That’s when I realised that the DISTINCT keyword looks at the following expression rather than just a column name. In your case , in the expression you have case statement rite. Something went wrong on our end.

The third CASE expression will return minus one if there was an odd number of negative numbers in the nbr column. The SUM () counts the - then the MOD() functions determines if the count was odd or even. With SUM(), AVG(), and COUNT(expr), DISTINCT eliminates duplicate values before the sum, average, or count is calculated.

When to Use SUM() vs SUMX (). Operating under Row context mode means that you can now refer to all the columns of a row instead of just one as is the case with SUM. SUM values only for distinct values in another column. If you use the SUM function in a SELECT clause, it returns a NULL value instead of zero (0) in case the SELECT statement returns no rows.

We will use the payment table in the sample database to demonstrate the functionality of the SUM function. Typeof summary: distinct count. Basically I need one cell to contain that one sum distinct for my values.

If we pass a value of and for the bind variables (for example), the sum _quantity column returns a value of 10. The result is a list of the distinct SalesOrderNumbers we need (just like VALUES produced). The CASE statement goes through conditions and returns a value when the first condition is met (like an IF-THEN-ELSE statement). So, once a condition is true, it will stop reading and return the result.

If no conditions are true, it returns the value in the ELSE clause. SUSUM ( DISTINCT column) to calculate the sum of distinct values. Typically, the DISTINCT operator treats all NULL values the same. As a result, the DISTINCT operator keeps only one NULL value and removes the other from the result set. Insert a Pivot Table with the table as your data source.

Now select the Platform(s) column as your Row Labels. If you wish to tidy this up, you can switch off Field Headers and set Grand Totals to be Off for Rows and Columns.