Book Image

Mastering DynamoDB

By : Tanmay Deshpande
Book Image

Mastering DynamoDB

By: Tanmay Deshpande

Overview of this book

Table of Contents (18 chapters)
Mastering DynamoDB
Credits
Foreword
About the Author
Acknowledgments
About the Reviewers
www.PacktPub.com
Preface
8
Useful Libraries and Tools
Index

Limitations in DynamoDB


In this section, we will try to list the limitations put by AWS on DynamoDB operations. These limits need to be considered while using DynamoDB in order to keep your application 100 percent available without any hiccups.

Attribute

Limitation Details

Table name/index name

Table/index name can contain A-Z, a-z, 0-9, underscore (_), dash (-) and dot (.). The table name should be a minimum of 3 and maximum of 255 characters. There is no limit on the table name that starts with the previously mentioned special characters.

Tables per account

You can create a maximum of 256 tables per region through one account.

Table size

There is no limit on the number of items or size of the table in terms of bytes.

Hash key

There is no limit on the number of hash keys in a table.

Range key

There is no limit on the number of range keys per unique hash key for tables without a local secondary index. For a table with a local secondary index, the total size of the table, including...