
Hi @John Younger ,
According to your description, the database with the size of ~100Mb is a little small to make a good performance.
There are some article for your reference to plan and configure the database in SharePoint:
https://learn.microsoft.com/en-us/sharepoint/technical-reference/database-types-and-descriptions
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.