I must create a datatable in CPQ that has 2 columns, that supports 2-5 million records

Summary:

I must create a datatable in CPQ that has 2 columns, that supports 2-5 million records. The columns have an approximate size of 15 characters each (column 1 alphanumeric, column 2 numeric).

Recommendations to speed up queries on said table?

Content (please ensure you mask any confidential information):

Version (include the version you are using, if applicable):

24B - CPQ

Code Snippet (add any code snippets that support your topic, if applicable):