Attribute types (S, N, B, BOOL, L, M) in DynamoDB - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to specify a string attribute type in DynamoDB.

DynamoDB

AttributeValue = {"[1]": "Hello"}

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

AN

BBOOL

CB

DS

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'N' which stands for Number instead of String.

In DynamoDB, the attribute type for strings is S.

2fill in blank

medium

Complete the code to specify a number attribute type in DynamoDB.

DynamoDB

AttributeValue = {"[1]": "123"}

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

AS

BN

CBOOL

DL

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'S' which stands for String instead of Number.

In DynamoDB, the attribute type for numbers is N.

3fill in blank

hard

Fix the error in the code to correctly specify a boolean attribute type in DynamoDB.

DynamoDB

AttributeValue = {"[1]": true}

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

ABOOL

BB

CS

DN

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'B' which means Binary instead of 'BOOL' for boolean.

The correct attribute type for boolean values in DynamoDB is BOOL.

4fill in blank

hard

Fill both blanks to create a list attribute with two string items in DynamoDB.

DynamoDB

AttributeValue = {"[1]": [ {"S": "apple"}, {"[2]": "banana"} ]}

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

AL

BN

CS

DBOOL

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'N' for list or string items.

The outer attribute type for a list is L, and each string item inside uses S.

5fill in blank

hard

Fill all three blanks to create a map attribute with two keys and their string values in DynamoDB.

DynamoDB

AttributeValue = {"[1]": {"name": {"[2]": "John"}, "city": {"[3]": "Paris"}}}

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

AL

BM

CS

DBOOL

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'L' for map or 'BOOL' for string values.

The map attribute type is M, and the string values inside use S.