What are NoSQL Databases?
- These are Non Relational or non SQL databases.
- These don’t use tabular form for storing
- Schema free, easy replication, can manage huge data.
e.g. Graph store, Key value pair etc…
AWS Amazon DynamoDB
- Dynamo DB is a serverless NoSQL database service which is fully managed by AWS.
- DynamoDB is extremely fast when it comes to query processing. It stores data in key value pairs. No schema is required.
- DynamoDB delivers single-digit millisecond performance at any scale.
Exam tip: If you see the words "single digit millisecond" in the question, then most probably, the answer is DynamoDB
DynamoDB also offers a memory cache for even faster service which is called DynamoDB Accelerator.
No comments:
Post a Comment