HKEYS and HVALS in Redis - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to get all field names from a Redis hash.

Redis

HKEYS [1]

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

Amystring

Bmylist

Cmyhash

Dmyset

Attempts:

3 left

💡 Hint

Common Mistakes

Using a key that is not a hash type.

Confusing HKEYS with HVALS.

The HKEYS command returns all the field names (keys) in the specified hash. Here, myhash is the hash key.

2fill in blank

medium

Complete the code to get all values from a Redis hash.

Redis

HVALS [1]

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

Auser:1000

Blist:items

Cstring:name

Dset:colors

Attempts:

3 left

💡 Hint

Common Mistakes

Using a key that is not a hash.

Mixing up HKEYS and HVALS commands.

The HVALS command returns all the values in the specified hash. Here, user:1000 is the hash key.

3fill in blank

hard

Fix the error in the command to get all field names from the hash named 'profile'.

Redis

HKEYS [1]

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

Aprofile

Bprofiles

Cprofile:1

Dprofile hash

Attempts:

3 left

💡 Hint

Common Mistakes

Adding spaces in the key name.

Using plural or different key names.

The correct hash key is profile. Using other keys or spaces causes errors or wrong results.

4fill in blank

hard

Fill both blanks to get all values from the hash named 'settings'.

Redis

[1] [2]

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

AHVALS

BHKEYS

Csettings

Dconfig

Attempts:

3 left

💡 Hint

Common Mistakes

Using HKEYS instead of HVALS.

Using wrong hash key names.

The command HVALS settings returns all values from the hash named settings.

5fill in blank

hard

Fill all three blanks to get all field names from the hash named 'config:app'.

Redis

[1] [2]:[3]

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

AHKEYS

Bconfig

Capp

Dconfig:app

Attempts:

3 left

💡 Hint

Common Mistakes

Splitting the key incorrectly.

Using wrong commands.

The correct command is HKEYS config:app. Here, config:app is the full hash key name. The blanks represent the command and parts of the key.