This article will explain the data schema document. This view emphasizes the different parts of the schema and gives good guidance on how you should structure your existing data to match.
For your Open Budget app, there are two schemas, Operating Expense and Operating Revenue, that the Socrata Open Budget application will be expecting. Although these are two distinct and separate datasets, their schemas are identical and therefore can be explained using the same methods.
Having your data organized into our schemas ensures optimal system performance.