Tables, items, and attributes in AWS - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is a table in AWS DynamoDB?

A table is a collection of data organized in DynamoDB. It stores items, which are like rows in a spreadsheet.

beginner

Define an item in DynamoDB.

An item is a single record in a DynamoDB table. It is made up of attributes, similar to a row with columns in a database.

beginner

What are attributes in DynamoDB?

Attributes are the pieces of data that make up an item. They are like columns in a table and can be strings, numbers, or other data types.

intermediate

Why is a primary key important in a DynamoDB table?

The primary key uniquely identifies each item in the table. It helps DynamoDB find and manage data quickly and efficiently.

beginner

How do tables, items, and attributes relate to each other in DynamoDB?

A table contains many items, and each item contains multiple attributes. This structure organizes data clearly and allows easy access.

What does an item in DynamoDB represent?

A A single record made of attributes

B A collection of tables

C A database user

D A type of attribute

An item is a single record in a table, made up of attributes.

Which of the following is NOT an attribute type in DynamoDB?

A String

B Number

C Boolean

D Spreadsheet

Spreadsheet is not a data type in DynamoDB attributes.

What uniquely identifies an item in a DynamoDB table?

A Index

B Primary key

C Attribute name

D Table name

The primary key uniquely identifies each item.

In DynamoDB, a table is most similar to which of the following?

A A spreadsheet with rows and columns

B A single data value

C A folder containing files

D A user account

A table is like a spreadsheet with rows (items) and columns (attributes).

Attributes in DynamoDB are best described as:

A The names of tables

B The users who access the table

C The data fields within an item

D The indexes on a table

Attributes are the data fields inside an item.

Explain the relationship between tables, items, and attributes in DynamoDB.

Think of a table like a spreadsheet with rows and columns.

Why is the primary key important when working with DynamoDB tables?

Consider how you find a specific row in a spreadsheet quickly.