AWS Database Services Flashcards
7 cards from real AWS practice questions. Tap to flip, then mark Knew It or Still Learning โ missed cards come back until you master them.
Read the first 7 AWS Database Services flashcards as text
Which AWS service helps migrate databases to AWS with minimal downtime?
Answer: AWS Database Migration Service (DMS)
AWS DMS migrates databases with continuous replication and minimal downtime.
What is the function of the AWS Schema Conversion Tool (SCT)?
Answer: Convert schema and code between different database engines
SCT converts schema, views, and stored procedures between heterogeneous database engines.
By default, how long does Amazon RDS retain automated backups?
Answer: 7 days
RDS automated backups are retained for 7 days by default, configurable up to 35 days.
Which Aurora feature lets you rewind the database to a previous point in time without restoring a backup?
Answer: Backtrack
Aurora Backtrack rewinds the cluster to a prior point in time in seconds without a restore.
What is the maximum size of a single item in a DynamoDB table?
Answer: 400 KB
A DynamoDB item can be at most 400 KB including attribute names and values.
Which DynamoDB index type allows querying on a non-primary-key attribute and can be created after the table exists?
Answer: Global Secondary Index
Global Secondary Indexes can be added anytime and use a different partition key.
What does Amazon DocumentDB provide compatibility with?
Answer: MongoDB
Amazon DocumentDB is a managed document database compatible with MongoDB.