Database table

As explained in Amazon Web Services in Action, Third Edition: An in-depth guide to AWS

A database table is a relational data structure consisting of rows and columns that stores records of a defined schema.

A DynamoDB table is a named collection of items. Each item contains attributes, but items in the same table do not need to share the same attributes. section 12.2

Every table requires a primary-key schema:

• A primary key uses one or two attributes to uniquely identify an item. A single-attribute key is the partition key. section 12.2.1
• For a to-do application, a `todo-user` table can use `uid` as its partition key. Table creation also specifies attribute definitions and provisioned throughput. section 12.2.1

To-do application

Separate tables store users and tasks; items in those tables represent individual users and tasks. section 12.1

Figure 12.3 DynamoDB tables store items consisting of attributes identified by a primary key.

View the diagram connecting tables, items, attributes, and primary keys. section 12.2

How Amazon Web Services in Action, Third Edition: An in-depth guide to AWS covers it

How deep it goes

Defines items, attributes, flexible schemas, and primary keys, then demonstrates table creation with a partition key.

Examples

Uses separate user and task tables in a terminal to-do application, with `todo-user` keyed by `uid`.

What you can do after

Configure a DynamoDB table with a name, primary-key schema, and provisioned-throughput settings using the AWS CLI.

How it connects

Connects DynamoDB tables to items, attributes, primary keys, partition keys, and AWS CLI table creation.

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Related concepts

• SQLused by · SQL is a standardized declarative language for defining, querying, and manipulating data and structures in relational database systems.
• primary keyhas part · A primary key is a designated column or attribute, or combination of them, that uniquely identifies each row or item in a table or data store.
• tuplehas part · A tuple is a finite, ordered collection of elements treated as a single composite value or record.
• viewincludes · A view is an alternate representation or access interface for data derived from or backed by underlying storage without necessarily creating an independent copy.
• DynamoDB itemhas part · A DynamoDB item is a record of attributes stored as a single entry in a DynamoDB table.
• structured dataincludes · Structured data is information organized according to an explicit schema or predictable fields, types, records, or relationships for consistent machine processing.

This explainer was generated by Manning's knowledge graph from the text of Amazon Web Services in Action, Third Edition: An in-depth guide to AWS. The section links point to the parts of the book it draws on.