Spring 5.0 By Example

Main commands

Let's look at some important commands we would need:

• SET: It sets the key and holds the value. It is a simple and basic command of Redis. Here's an example:

       SET "user:id:10" "joe"

The return of the command should be OK. It indicates the instruction has been executed with success.

• GET: This command gets the value of the requested key. Remember GET can only be used with a string data type:

         GET "user:id:10"

As we can see, the return of that command should be joe.

• INCR: The INCR command increments the key by one. It can be useful to handle sequential numbers atomically in distributed systems. The number increment will be returned as a command output:

        SET "users" "0"        INCR "users"        GET "users"

As we can see, the INCR command ...