- You have two reports with the same qualifications, but they are coming up with two different counts. one contains the Institution Title holdings count and the other just lists the OCNs. You need to know which is the correct count to use.
- Report Designer
If you try to pull individual OCNs and count them, you will run into the 500k limit on that universe. Use the Institution Title holdings count measurement to count OCNs for your reports.
There is more on the Institution Title holdings count measurement.