MGET is a command in Redis that allows you to retrieve multiple keys in a single operation, which can be useful when you need to fetch many values simultaneously, improving the efficiency over separate
Example 1: Basic usage of
MGET with Node.js and redis package.
In this example, we create a Redis client and use the
mget method to get the values of 'key1', 'key2', and 'key3'. The result is an array containing the value of each key.
Example 2: Handling missing keys.
In this example, if a key doesn't exist in the Redis store,
null for that key.
GETcommands when you need to retrieve multiple keys at once. It reduces network latency and improves performance.
nullvalues in the result array.
nullfor keys that do not exist.
Q: Can I mix existing and non-existing keys while using MGET?
MGET will return an array with the values of existing keys and
null for non-existing keys.