At this point, you should have a schema that you believe will suit your needs—for now anyway. But do expect to revisit the schema. It is quite normal to start with something workable, and then subsequently make modifications to address issues, and implement features that require changes. The only irritant with changing the schema is that you probably need to re-index all of the data. The only exception to this would be an analysis step applied only at query-time. In the next chapter, you'll learn about the various ways to import data into the index.