Why data protection is essential in DynamoDB - Test Your Understanding

Practice - 5 Tasks

1fill in blank

easy

Complete the code to create a DynamoDB table named 'Users'.

DynamoDB

aws dynamodb create-table --table-name [1] --attribute-definitions AttributeName=UserId,AttributeType=S --key-schema AttributeName=UserId,KeyType=HASH --provisioned-throughput ReadCapacityUnits=5,WriteCapacityUnits=5

Drag options to blanks, or click blank then click option'

ACustomers

BOrders

CUsers

DProducts

Attempts:

3 left

💡 Hint

Common Mistakes

Using a wrong table name like 'Customers' or 'Orders'.

Leaving the table name blank.

The table name must be 'Users' as specified in the instruction.

2fill in blank

medium

Complete the code to add an item with UserId '123' to the 'Users' table.

DynamoDB

aws dynamodb put-item --table-name Users --item '{"UserId": {"S": "[1]"}}'

Drag options to blanks, or click blank then click option'

A001

B123

Cabc

Dxyz

Attempts:

3 left

💡 Hint

Common Mistakes

Using a different UserId value.

Forgetting to put quotes around the UserId.

The UserId must be '123' as specified to add the correct item.

3fill in blank

hard

Fix the error in the code to get an item with UserId '123' from the 'Users' table.

DynamoDB

aws dynamodb get-item --table-name Users --key '{"UserId": {"[1]": "123"}}'

Drag options to blanks, or click blank then click option'

ABOOL

BN

CB

DS

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'N' which is for numbers.

Using 'B' which is for binary data.

The key type for UserId is string, so it must be 'S'.

4fill in blank

hard

Fill both blanks to update the 'Email' attribute of user '123' in the 'Users' table.

DynamoDB

aws dynamodb update-item --table-name Users --key '{"UserId": {"S": "123"}}' --update-expression "set [1] = :e" --expression-attribute-values '{":e": {"[2]": "[e-mail]"}}'

Drag options to blanks, or click blank then click option'

AEmail

BS

CN

DUserEmail

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong attribute names like 'UserEmail'.

Using wrong data types like 'N' for string values.

The attribute to update is 'Email' and its type is string 'S'.

5fill in blank

hard

Fill all three blanks to delete the item with UserId '123' from the 'Users' table.

DynamoDB

aws dynamodb delete-item --table-name [1] --key '{"UserId": {"[2]": "[3]"}}'

Drag options to blanks, or click blank then click option'

AOrders

BUsers

CS

D123

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong table names like 'Orders'.

Using wrong key types or values.

The table is 'Users', the key type is string 'S', and the UserId is '123'.