Schema information of the Data sets in retail_db

I am using ITVersity Labs retail_db to solve the problem statements.
Is the schema of the data sets provided somewhere in the resources ? It is very hard to identify which field in the delimited file corresponds to which schema element while converting as an RDD.

@Madhumitha_Ganesan,

here is ER-diagram for retail_db data-

Thank you for the quick response!!