Hope the following topics will help you organize your learning.

Data Modeling

•Entities, Attributes and Relationships

•Entity-Relationship Diagrams(ERD)

•Data Modeling Notations, Elements of IE/Craw foot Notation

•Entity categories

•Relationship types

•1:1,1:M,M:N

•Mandatory, Optional

•Subtype-Supertype

•Recursive

•Keys

•Logical ? Physical transformation

•Relational Model...