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Mastering DynamoDB by Tanmay Deshpande

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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 ...

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