Microsoft Azure Data Fundamentals DP-900 Practice Question
You are evaluating database options for an application that must efficiently store and query complex many-to-many relationships, such as social network connections, using nodes and edges. Which type of database is specifically designed for this scenario?
Graph databases are purpose-built to represent entities as nodes and the relationships between them as edges, enabling efficient traversal of many-to-many connections (for example, friends-of-friends queries). Relational databases store data in tables with joins, which can become slow and complex for deep relationship queries. Columnar databases are optimized for analytical scanning of large, tabular datasets, not relationship traversal. Key-value stores focus on fast access to individual items by key and do not provide native mechanisms for exploring inter-item relationships. Therefore, a graph database is the most suitable choice for scenarios that center on highly connected data.
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Microsoft Azure Data Fundamentals DP-900
Describe core data concepts
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