Redis – List Lpush Command
Redis LPUSH command inserts all the specified values at the head of the list stored at the key. If the key does not exist, it is created as an empty list before…
Redis LPUSH command inserts all the specified values at the head of the list stored at the key. If the key does not exist, it is created as an empty list before…
Redis LPOP command removes and returns the first element of the list stored at the key. Return Value String reply, the value of the first element, or nil when the key does…
Redis LLEN command returns the length of the list stored at the key. If the key does not exist, it is interpreted as an empty list and 0 is returned. An error…
Redis LINSERT command inserts the value in the list stored at the key either before or after the reference value pivot. When the key does not exist, it is considered an empty…
Redis LINDEX command is used to get the element at the index in the list stored at the key. The index is zero-based, so 0 means the first element, 1 the second…
Redis BRPOPLPUSH command is used to pop a value from a list, push it to another list and return it, or block until one is available. BRPOPLPUSH command just returns the last element and…
Redis BRPOP command is used to remove and get the last element in a list, or block until one is available. BRPOP command just returns the last element, if available, or blocks the client…
Redis BLPOP command is used to remove and get the first element in a list, or block until one is available. BLPOP command just returns the first element, if available, or blocks the client…
Redis Lists are simply lists of strings, sorted by insertion order. You can add elements in Redis lists in the head or the tail of the list. Maximum length of…
PostgreSQL is a powerful, open source object-relational database system which has earned a strong reputation for reliability, feature robustness, and performance. AWS RDS runs various versions of PostgreSQL. It supports…