Database
AWS database services for different use cases and workloads.
A database is a structured collection of data that is organized and stored electronically. In AWS, databases are fundamental services that allow businesses to store, manage, and retrieve information.\n\nAWS offers various database solutions to meet different needs:\n\n1. Amazon RDS (Relational Database Service): Manages relational databases like MySQL, PostgreSQL, Oracle, SQL Server, and MariaDB. RDS handles routine tasks like backups, patching, and scaling.\n\n2. Amazon DynamoDB: A fully managed NoSQL database service for applications needing consistent, single-digit millisecond performance at any scale. It's serverless with automatic scaling.\n\n3. Amazon Aurora: A MySQL and PostgreSQL-compatible relational database with up to 5x performance of standard MySQL and 3x of PostgreSQL, at one-tenth the cost of commercial databases.\n\n4. Amazon Redshift: A data warehousing service for analyzing structured and semi-structured data across data warehouses, operational databases, and data lakes.\n\n5. Amazon ElastiCache: An in-memory caching service that improves database performance by retrieving information from fast, managed, in-memory caches.\n\n6. Amazon Neptune: A graph database service for applications working with highly connected datasets.\n\n7. Amazon Quantum Ledger Database (QLDB): A fully managed ledger database providing transparent, immutable, and cryptographically verifiable transaction logs.\n\nAWS databases offer key benefits like reduced administrative burden, high availability, durability, scalability, security, and cost-effectiveness. They integrate seamlessly with other AWS services and support various data models.\n\nFor the Cloud Practitioner exam, focus on understanding the basic purpose of each database service, their use cases, and the differences between relational and non-relational databases.
A database is a structured collection of data that is organized and stored electronically. In AWS, databases are fundamental services that allow businesses to store, manage, and retrieve information.…
Concepts covered: Amazon Neptune, Amazon DynamoDB, Amazon RDS, Amazon Aurora, Amazon MemoryDB for Redis
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