Understand Amazon DynamoDB and related concepts

Amazon DynamoDB is a fully managed, multi-region, key-value, durable database with built-in security that delivers single-digit millisecond performance at any scale. DynamoDB can handle more than 10 trillion requests per day and can support peaks of more than 20 million requests per second. DynamoDB reflects a paradigm shift from relational databases in terms of management, usage, and schema design, and that’s why more business are choosing it for their application’s database needs.

This digital training helps you accelerate your understanding of Amazon DynamoDB.

Topics include:

· Core components of DynamoDB

· Partition Key and Sort Key

· Secondary Indexes – Global vs. Local Indexes

· DynamoDB Capacity

You’ll learn concepts like consistency, partitions, durability and performance in DynamoDB to deliver a performant application.

The following are the basic DynamoDB components:

• Tables – Similar to other database systems, DynamoDB stores data in tables. A table is a collection of data. For example, see the example table called People that you could use to store personal contact information about friends, family, or anyone else of interest. You could also have a Cars table to store information about vehicles that people drive.

• Items – Each table contains zero or more items. An item is a group of attributes that is uniquely identifiable among all of the other items. In a People table, each item represents a person. For a Cars table, each item represents one vehicle. Items in DynamoDB are similar in many ways to rows, records, or tuples in other database systems. In DynamoDB, there is no limit to the number of items you can store in a table.

• Attributes – Each item is composed of one or more attributes. An attribute is a fundamental data element, something that does not need to be broken down any further. For example, an item in a People table contains attributes called PersonID, LastName, FirstName, and so on. For a Department table, an item might have attributes such as DepartmentID, Name, Manager, and so on. Attributes in DynamoDB are similar in many ways to fields or columns in other database systems.

Bases de datos en la nube – Amazon DynamoDB

Understand Amazon DynamoDB and related concepts”

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