Databases like MongoDB (document-based), Cassandra (wide-column), or Neo4j (graph) offer flexible schemas. They scale horizontally more easily than SQL databases and are optimized for specific data structures and high-speed write operations. Indexing and Query Optimization
Knowing when to use an abstraction layer and when to write hand-crafted queries for performance. 3. API Design and Architecture Creating an API is easy; creating a good API is an art. RESTful Design: Building intuitive, stateless interfaces.
: An architectural style using standard HTTP methods like GET, POST, PUT, and DELETE. fundamentals of backend engineering free download upd
: Managing multiple tasks at once via multi-threading, asynchronous programming, or event loops. 4. API Design and Security
Offers flexible schemas (document, key-value, graph, wide-column) optimized for high write speeds and horizontal scaling. Database Indexing : An architectural style using standard HTTP methods
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Tools like PostgreSQL and MySQL are great for structured data that requires complex transactions.
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Managing state via ACID transactions , indexing , and scaling strategies like sharding and replication . 2. Accessing Educational Resources