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Redis ZRANGE – How to get elements of sorted set by Asc Rank Range
5 years ago Lalit Bhagtani 0
In this tutorial, we will learn about how to get one or more elements of the sorted set value having rank between specific range and in ascending order by score. For this, we will use Redis ZRANGE commands. ZRANGE Command The ZRANGE command, returns one or more elements of the sorted set value stored at Read More
Redis ZCARD – How to get a size of the sorted set in redis datastore
5 years ago Lalit Bhagtani 0
In this tutorial, we will learn about how to get the size ( number of elements ) of a sorted set value stored at the key, by using a COMMAND – ZCARD in redis-cli. The syntax of redis ZCARD command is as follows :- Syntax :- redis host:post> ZCARD <key name> Output :- (integer) value, Read More
Redis List – Commands to manage a list value in redis datastore
5 years ago Lalit Bhagtani 0
Lists are a sequence of strings sorted by insertion order, In Redis, list can be store as a value at key and various redis commands are used to store, manage and retrieved a list value stored in redis database. The syntax for using redis commands is as follows :- Syntax :- redis host:post> <Command Name> Read More
Redis LRANGE – How to get all elements of a list value in redis datastore
5 years ago Lalit Bhagtani 0
In this tutorial, we will learn about how to get all elements of a list value stored at a key. For this, we will use a redis LRANGE command. LRANGE Command This command returns one or more elements of the list value stored at specified key, defined by the specified offsets. It takes start ( inclusive ) and end Read More
How to pop & push an item from one to another list- Redis RPOPLPUSH | BRPOPLPUSH
5 years ago Lalit Bhagtani 0
In this tutorial, we will learn about how to remove and return the last element of the list value stored at one key and insert the same element at first position of the list value stored at another key in redis datastore. For this, we will use Redis RPOPLPUSH and BRPOPLPUSH commands. RPOPLPUSH Command This command Read More
Redis LTRIM – How to trim an existing list stored in redis datastore
5 years ago Lalit Bhagtani 0
In this tutorial, we will learn about how to trim an existing list value stored at a key in redis datastore. For this, we will use Redis LTRIM commands. LTIM Command This command trims an existing list value such that resulting list value contains only the specified range of elements. The range is defined by start ( inclusive ) Read More
Redis LREM – How to delete multiple occurrences of an element from a list
5 years ago Lalit Bhagtani 0
In this tutorial, we will learn about how to delete one or more occurrences of an element from a list value stored at a key. For this, we will use a Redis LREM command. LREM Command This command removes first count occurrences of the specified element from a list value stored at a key. The count argument Read More
How to remove & return last element of a list – Redis RPOP | BRPOP
5 years ago Lalit Bhagtani 0
In this tutorial, we will learn about how to remove and return the last element of the list value stored at a key in redis datastore. For this, we will use redis RPOP and BRPOP commands. RPOP Command This command is used to remove and return the last element of the list value stored at the Read More