Category : AWS Databases

https://www.udemy.com/aws-certified-solutions-architect-associate/learn/v4/t/lecture/2050800?start=0 Exam Tips RDS Used for OLTP (Online Transaction Processing) SQL Server MySQL PostgreSQL Oracle Aurora MariaDB DynamoDB No-SQL RedShift  OLAP  Data Warehousing ElastiCache In Memory Caching Memcached Redis What is RDS Multi-AZ Used for HA / DR Automatically sychronized to alternate AZ when enabled. DNS automatically transferred to alternate instance if the primary fails. ..

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https://www.udemy.com/aws-certified-solutions-architect-associate/learn/v4/t/lecture/2051702?start=0 Aurora only runs on AWS infrastructure. Aurora is a MySQL compatible, relational database engine that combi9nes the speed and availability of high-end commercial databases with the simplicity and cost-effectiveness of open source databases.  Aurora provides up to 5 times better performance than MySQL at a price point 1/10th that of a commercial database (Oracle?) ..

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https://www.udemy.com/aws-certified-solutions-architect-associate/learn/v4/t/lecture/2152298?start=0 ElastiCache is  a web service that makes it easy to deploy, operate and scale an in-memory cache in the cloud.  The service improves the performance of web applications by allowing you to retrieve information from fast, managed, in-memory caches, instead of relying entirely on slower disk-based databases. ElastiCache can be used to significantly improve ..

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https://www.udemy.com/aws-certified-solutions-architect-associate/learn/v4/t/lecture/2050702?start=0 Redshift is a fast and powerful, fully managed, petabyte-scale data warehouse service in the cloud.  Customer can startsmall for just $0.25 per hour with no commitments or upfront costs and scale to a petabyte or more for $1000/terabyte per year, less than 1/10 most other data warehousing solutions. Data Warehousing databases use different type ..

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https://www.udemy.com/aws-certified-solutions-architect-associate/learn/v4/t/lecture/2050700?start=0 DynamoDB is a fast and flexible NoSQL database service for all appliations that need consistent, single-digit millisecond latency at any scale.  It is a fully managed database and supports both document and key-value data models.  Its flexible data model and reliable performance make it a great fit for mobile, we, gaming ad-tech, IoT and ..

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https://www.udemy.com/aws-certified-solutions-architect-associate/learn/v4/t/lecture/4782126?start=0 Automated Backups Automated Backups allow you to recover your database to any point in time within a “retention period”. Retention period can be between 1 and 35 days.  (Default 7 Days.)  Automated Backups will take a full daily snapshot and will also store transaction logs throughout the day.  When you do a recovery, AWS ..

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https://www.udemy.com/aws-certified-solutions-architect-associate/learn/v4/t/lecture/2050694?start=0 Relational Databases (OLTP) A Database is a data structure comprised of any number of Tables. Each table is comprised of any number of rows (records) of data, with any number of columns (fields).  Each row will have the exact same number of columns and each column representing a a specific type of data field ..

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