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AWS CLF-C01 > Database > Flashcards

Database Flashcards

1
Q

Databases

A

Databases allow us to collect, store, retrieve, sort, graph, and manipulate data.

A database is an organized collection of various forms of data.

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2
Q

Relational Databases

A

RDS
Aurora

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3
Q

NoSQL Databases

A

DynamoDB

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4
Q

Document Databases

A

DocumentDB

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5
Q

In-Memory Database

A

ElastiCache

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6
Q

Graph Database

A

Neptune

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7
Q

Amazon Relational Database Service (RDS)

A

Supports popular database engines (MySQL, Aurora, PostgreSQL, Microsoft SQL Server, MariaDB, Oracle)

Offers high availability and fault tolerance using Multi-AZ deployment option

AWS manages the database with automatic software patching, automated backups, operating system maintenance, and more.

RDS is only for relational databases. Don’t forget the supported database engines: Amazon Aurora, PostgreSQL, MySQL, MariaDB, Oracle Database, and SQL Server

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8
Q

Amazon Aurora

A

Aurora is a relational database compatible with MySQL and PostgreSQL that was created by AWS.

5x faster than normal MySQL and 3x faster than normal PostgreSQL

Managed by RDS

Scales automatically while providing durability and high availability

Don’t forget Aurora only supports PostgreSQL and MySQL.

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9
Q

Amazon DynamoDB

A

DynamoDB is a fully managed NoSQL key-value and document database.

Fully managed and serverless.

Scales automatically to massive workloads with fast performance.

Going into the exam, don’t forget DynamoDB is a NoSQL database.

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10
Q

Amazon DocumentDB

A

DocumentDB is a fully managed document database that supports MongoDB.

Fully managed and serverless

Non-relational

Scales automatically to massive workloads with fast performance

Keep in mind that DocumentDB supports MongoDB.

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11
Q

Amazon ElastiCache

A

ElastiCache is a fully managed in-memory datastore compatible with Redis or Memcached.

Data can be lost.

Offers high performance and low latency.

In-memory datastore

Keep in mind that ElastiCache is an in-memory datastore

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12
Q

Amazon Neptune

A

Neptune is a fully managed graph database that supports highly connected datasets.

Graph database service

Supports highly connected datasets like social media networks

Fully managed and serverless

Fast and reliable

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AWS CLF-C01 (30 decks)

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