MGET command in redis

MGET key1 key2 ... keyN

Get the values of all the specified keys.

Note:

If one or more keys don't exist or are not of type String, a 'nil' value is returned instead of the value of the specified key, but the operation never fails.

TIME COMPLEXITY: O(1) for every key

RETURN VALUE: Multi bulk reply

Syntax:

MGET key1 key2 ... keyN

Example 1: When the keys are present

redis:6379> MSET key1 value1
"OK"
redis:6379> MSET key2 value2 key3 value3
"OK"
redis:6379> MGET key1 key2 key3
1) "value1"
2) "value2"
3) "value3"

Output

1) "value1"

2) "value2"

3) "value3"

Example 2: When the key is not present

redis:6379> MGET redisKey
1) (nil)

Output

nil