REMOVE expression for deleting attributes in DynamoDB - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to remove the attribute 'Age' from the item.

DynamoDB

UpdateExpression = "REMOVE [1]"

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

AAge

BName

CAddress

DEmail

Attempts:

3 left

💡 Hint

Common Mistakes

Using quotes around the attribute name inside REMOVE expression.

Removing an attribute that does not exist.

The REMOVE expression deletes the specified attribute from the item. Here, 'Age' is the attribute to remove.

2fill in blank

medium

Complete the code to remove the attributes 'Phone' and 'Email' from the item.

DynamoDB

UpdateExpression = "REMOVE [1], Email"

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

AAddress

BPhone

CName

DAge

Attempts:

3 left

💡 Hint

Common Mistakes

Including quotes around attribute names.

Using AND instead of comma to separate attributes.

The REMOVE expression can delete multiple attributes separated by commas. Here, 'Phone' and 'Email' are removed.

3fill in blank

hard

Fix the error in the REMOVE expression to correctly delete the 'Status' attribute.

DynamoDB

UpdateExpression = "REMOVE [1]"

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

A:Status

B'Status'

CStatus

D"Status"

Attempts:

3 left

💡 Hint

Common Mistakes

Using quotes or colons around attribute names.

Using placeholders instead of attribute names.

Attribute names in REMOVE expressions should be written without quotes or colons. So, use Status without quotes.

4fill in blank

hard

Fill both blanks to remove 'City' and 'Country' attributes from the item.

DynamoDB

UpdateExpression = "REMOVE [1], [2]"

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

ACity

BCountry

CState

DZipCode

Attempts:

3 left

💡 Hint

Common Mistakes

Using quotes around attribute names.

Separating attributes with 'AND' instead of commas.

To remove multiple attributes, list them separated by commas without quotes. Here, 'City' and 'Country' are removed.

5fill in blank

hard

Fill all three blanks to remove 'Phone', 'Email', and 'Address' attributes from the item.

DynamoDB

UpdateExpression = "REMOVE [1], [2], [3]"

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

APhone

BEmail

CAddress

DName

Attempts:

3 left

💡 Hint

Common Mistakes

Using quotes around attribute names.

Using incorrect separators like 'AND' or semicolons.

List all attributes to remove separated by commas without quotes. Here, 'Phone', 'Email', and 'Address' are removed.