The three-level database management system (DBMS) architecture splits databases into three distinct layers: An internal DBMS schema for low-level storage tasks. A conceptual DBMS schema for logical ...

Develop a migration strategy: This involves selecting appropriate migration tools, establishing a migration schedule and determining how to map data from the relational schema to the NoSQL model.

Any data that does not fall into the traditional field structure (alpha, numeric, dates) of a relational DBMS. Examples of complex data types are bills of materials, word processing documents ...