The DEL key command of Redis is used to delete a single key. To batch delete keys, you can combine the cat and xargs
xargs
xargs (short for "extended arguments") is a command on Unix and most Unix-like operating systems used to build and execute commands from standard input. It converts input from standard input into arguments to a command.
commands of Linux and the DEL command of Redis. If you want to delete keys that have the same prefix or suffix by using fuzzy match logic, we recommend that you use the SCAN and DEL commands of Redis.
In this code, we first require the redis module and create a new Redis client. Then, we call the del function with the key we want to delete ('keyToDelete'). The response will be the number of keys that were removed.
Deletes an item once from the filter. If the item exists only once, it will be removed from the filter. If the item was added multiple times, it will still be present.
By following KEYS with an asterisk ( * ) – which acts as a wildcard search – we're asking Redis to retrieve all keys in the system. Thus, we not only see our two original title and author keys but also the four enumerated versions that followed as well.
Start Redis Insight and connect to your database. From the Redis Insight menu, select Workbench and wait for the client to connect to your database. In the command area, enter flushall and then select the green run arrow.
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