Schema Versioning Patterns Quiz

Quiz covering Non-Relational Data Model Design

Questions in this quiz

A preview of the 5 questions covered. Start the quiz above to answer them, check your score, and read the explanations.

1. 1

   Which schema versioning pattern involves adding a 'version' field to each document to allow the application code to handle different data structures?

2. 2

   What is the primary advantage of the 'Lazy Migration' pattern in a non-relational database?

3. 3

   When using the 'Expand and Contract' (or Parallel Versioning) pattern, what is the correct sequence of deployment?

4. 4

   In a high-traffic system, why is a 'Full Migration' (updating all documents at once) often discouraged?

5. 5

   You are implementing a 'Transformation Layer' pattern. If a document has a version field of '1' but the application is currently on version '3', what is the most robust way to handle the data?