August 2014
Beginner to intermediate
236 pages
5h 7m
English
Content preview from Mastering DynamoDBBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Data types
DynamoDB supports various data types, broadly classified into the following two types:
- Scalar data types (string, number, and binary)
- Multivalued data types (string set, number set, and binary set)
Scalar data types
Scalar data types are simply single-value, simple data types. DynamoDB supports the following three scalar data types:
- String
- Number
- Binary
String
The string is a multipurpose, useful data type that is similar to what we use in various programming languages. DynamoDB strings support UTF-8 binary encoding. DynamoDB does not put restrictions on the string size limit, but it specifies that the total attribute size should not be greater than 64 KB and we already know that attribute value is calculated considering the attribute name (key) ...
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