D488-Database Type questions and
answers
Relational - correct answer are very widely implemented and designed to support ACID transactions.
Key-value - correct answer are optimized to store and retrieve large volumes of data. It offers high-
performance under heavy workloads.
In-memory - correct answer offer real-time access to data and access to applications with microsecond
latency.
Document - correct answer enable developers to build applications quickly by storing data in a semi-
structured manner.
Wide-column - correct answer are a type of NoSQL database.
Graph - correct answer are designed to support applications that query millions of relationships
between highly connected datasets, such as social media platforms.
Time series - correct answer are focused on supporting applications that analyze data that evolves and
changes over time and is best represented using time intervals such as in an industrial setting.
Ledger - correct answer enable a trusted and verifiable authority to support banking transactions and
systems of record.
answers
Relational - correct answer are very widely implemented and designed to support ACID transactions.
Key-value - correct answer are optimized to store and retrieve large volumes of data. It offers high-
performance under heavy workloads.
In-memory - correct answer offer real-time access to data and access to applications with microsecond
latency.
Document - correct answer enable developers to build applications quickly by storing data in a semi-
structured manner.
Wide-column - correct answer are a type of NoSQL database.
Graph - correct answer are designed to support applications that query millions of relationships
between highly connected datasets, such as social media platforms.
Time series - correct answer are focused on supporting applications that analyze data that evolves and
changes over time and is best represented using time intervals such as in an industrial setting.
Ledger - correct answer enable a trusted and verifiable authority to support banking transactions and
systems of record.
