HSET and HGET for fields in Redis - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to set the field 'name' to 'Alice' in the hash 'user:1'.

Redis

HSET user:1 [1] Alice

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

Auser

Bvalue

Cfield

Dname

Attempts:

3 left

💡 Hint

Common Mistakes

Using the hash key instead of the field name.

Confusing the field with the value.

The HSET command sets a field in a hash. Here, the field is name.

2fill in blank

medium

Complete the code to get the value of the field 'email' from the hash 'user:2'.

Redis

HGET user:2 [1]

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

Aemail

Buser

Cname

Daddress

Attempts:

3 left

💡 Hint

Common Mistakes

Using the hash key instead of the field name.

Using a field name that does not exist.

The HGET command retrieves the value of a specific field in a hash. Here, the field is email.

3fill in blank

hard

Fix the error in the command to set the field 'age' to 30 in the hash 'user:3'.

Redis

HSET [1] age 30

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

Auser3

Buser:3

Cuser_3

Duser-3

Attempts:

3 left

💡 Hint

Common Mistakes

Using underscores or dashes instead of colons in the key.

Misspelling the key name.

The hash key must match exactly. The correct key is user:3 with a colon.

4fill in blank

hard

Fill both blanks to set the field 'city' to 'Paris' in the hash 'location:1'.

Redis

HSET [1] [2] Paris

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

Alocation:1

Buser:1

Ccity

Dcountry

Attempts:

3 left

💡 Hint

Common Mistakes

Swapping the hash key and field name.

Using the wrong hash key.

The first blank is the hash key location:1. The second blank is the field name city.

5fill in blank

hard

Fill both blanks to get the value of the field 'phone' from the hash 'contact:5'.

Redis

HGET [1] [2]

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

Acontact:5

Bphone

Cemail

Daddress

Attempts:

3 left

💡 Hint

Common Mistakes

Using the wrong hash key.

Using a wrong field name.

The first blank is the hash key contact:5. The second blank is the field name phone.