Redis Universal Command operation

  Set Hi Hello    setting value get Hi  get value keys  *    query out all key     memcached cannot query out all Keykeys  *h   Fuzzy find Keykeys H[ie] fuzzy find keys o?e   pass a single character Randomkey  random keytype  age  query out what type exists key to determine if there is a Keydel  Hi    Delete a keyrename one  two modify key name Renamenx a hi  if one is modified, does not exist then does not modify return 0 TTL  hi   query life cycle   [-1  means permanent, 2 means not present]  The returned number is the number of seconds expire hi  +   set is valid for 200 seconds Pexpire Hi 9000  Set to milliseconds presist  hi  set to permanently active

　　

Redis Universal Command operation