Indexes Exam Tips
- Indexes enable fast queries on specific data columns
- Give you a different view of the data, based on alternative Partition / Sort Keys
Read the Indexes Deepdive
Important to understand the differences:
| Local Secondary Index | Global Secondary Index |
|---|---|
| Must be created when you create your table | Can create any time, at table creation or after |
| Same Partition Key as your table | Different Partition Key |
| Different Sort Key | Different Sort Key |