TTL attribute setup in DynamoDB - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to specify the TTL attribute name in DynamoDB.

DynamoDB

table.update_time_to_live({
  TTLSpecification: {
    Enabled: true,
    AttributeName: "[1]"
  }
})

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

AexpirationTime

BexpireAt

Cttl

DdeleteAt

Attempts:

3 left

💡 Hint

Common Mistakes

Using a different attribute name than the one storing the expiration timestamp.

Forgetting to enable TTL in the specification.

The TTL attribute name must match the attribute you use to store the expiration timestamp. Commonly, it is named ttl.

2fill in blank

medium

Complete the code to enable TTL on the DynamoDB table.

DynamoDB

table.update_time_to_live({
  TTLSpecification: {
    Enabled: [1],
    AttributeName: "ttl"
  }
})

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

A1

Bfalse

C"true"

Dtrue

Attempts:

3 left

💡 Hint

Common Mistakes

Using string "true" instead of boolean true.

Setting Enabled to false disables TTL.

TTL must be enabled by setting Enabled to the boolean true, not a string or number.

3fill in blank

hard

Fix the error in the TTL setup code by completing the missing part.

DynamoDB

const params = {
  TableName: "MyTable",
  [1]: {
    Enabled: true,
    AttributeName: "ttl"
  }
};

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

ATimeToLiveSpec

BTimeToLiveSpecification

CTTLSpecification

DTTLSpec

Attempts:

3 left

💡 Hint

Common Mistakes

Using incorrect parameter names like TTLSpecification or TTLSpec.

Misspelling or wrong casing of the parameter name.

The correct parameter name for TTL setup in AWS SDK is TimeToLiveSpecification.

4fill in blank

hard

Fill both blanks to correctly configure TTL in the AWS SDK call.

DynamoDB

const params = {
  TableName: "Orders",
  [1]: {
    Enabled: [2],
    AttributeName: "expireAt"
  }
};

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

ATimeToLiveSpecification

Btrue

Cfalse

DTTLSpecification

Attempts:

3 left

💡 Hint

Common Mistakes

Using the wrong parameter name.

Setting Enabled to false disables TTL.

Use TimeToLiveSpecification as the parameter name and set Enabled to true to activate TTL.

5fill in blank

hard

Fill all three blanks to create a TTL update request with correct keys and values.

DynamoDB

const ttlParams = {
  [1]: "Products",
  [2]: {
    Enabled: [3],
    AttributeName: "deletionTime"
  }
};

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

ATableName

BTimeToLiveSpecification

Ctrue

DTTLSpecification

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up the keys or using incorrect names.

Setting Enabled to false disables TTL.

The TableName key specifies the table, TimeToLiveSpecification holds TTL settings, and Enabled must be true to enable TTL.