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<b>CommandReference: Contents</b><br> <a href="#Connection handling">Connection handling</a><br> <a href="#Commands operating on all the kind of values">Commands operating on all the kind of values</a><br> <a href="#Commands operating on string values">Commands operating on string values</a><br> <a href="#Commands operating on lists">Commands operating on lists</a><br> <a href="#Commands operating on sets">Commands operating on sets</a><br> <a href="#Commands operating on sorted sets (zsets, Redis version >">Commands operating on sorted sets (zsets, Redis version ></a><br> <a href="#Sorting">Sorting</a><br> <a href="#Persistence control commands">Persistence control commands</a><br> <a href="#Remote server control commands">Remote server control commands</a>
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<h1 class="wikiname">CommandReference</h1>
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= Redis Command Reference =<br/><br/>Every command name links to a specific wiki page describing the behavior of the command.<h2><a name="Connection handling">Connection handling</a></h2><ul><li> <a href="QuitCommand.html">QUIT</a> <code name="code" class="python">close the connection</code></li><li> <a href="AuthCommand.html">AUTH</a> <code name="code" class="python">simple password authentication if enabled</code></li></ul>
<h2><a name="Commands operating on all the kind of values">Commands operating on all the kind of values</a></h2><ul><li> <a href="ExistsCommand.html">EXISTS</a> <i>key</i> <code name="code" class="python">test if a key exists</code></li><li> <a href="DelCommand.html">DEL</a> <i>key</i> <code name="code" class="python">delete a key</code></li><li> <a href="TypeCommand.html">TYPE</a> <i>key</i> <code name="code" class="python">return the type of the value stored at key</code></li><li> <a href="KeysCommand.html">KEYS</a> <i>pattern</i> <code name="code" class="python">return all the keys matching a given pattern</code></li><li> <a href="RandomkeyCommand.html">RANDOMKEY</a> <code name="code" class="python">return a random key from the key space</code></li><li> <a href="RenameCommand.html">RENAME</a> <i>oldname</i> <i>newname</i> <code name="code" class="python">rename the old key in the new one, destroing the newname key if it already exists</code></li><li> <a href="RenamenxCommand.html">RENAMENX</a> <i>oldname</i> <i>newname</i> <code name="code" class="python">rename the old key in the new one, if the newname key does not already exist</code></li><li> <a href="DbsizeCommand.html">DBSIZE</a> <code name="code" class="python">return the number of keys in the current db</code></li><li> <a href="ExpireCommand.html">EXPIRE</a> <code name="code" class="python">set a time to live in seconds on a key</code></li><li> <a href="TtlCommand.html">TTL</a> <code name="code" class="python">get the time to live in seconds of a key</code></li><li> <a href="SelectCommand.html">SELECT</a> <i>index</i> <code name="code" class="python">Select the DB having the specified index</code></li><li> <a href="MoveCommand.html">MOVE</a> <i>key</i> <i>dbindex</i> <code name="code" class="python">Move the key from the currently selected DB to the DB having as index dbindex</code></li><li> <a href="FlushdbCommand.html">FLUSHDB</a> <code name="code" class="python">Remove all the keys of the currently selected DB</code></li><li> <a href="FlushallCommand.html">FLUSHALL</a> <code name="code" class="python">Remove all the keys from all the databases</code></li></ul>
<h2><a name="Commands operating on string values">Commands operating on string values</a></h2><ul><li> <a href="SetCommand.html">SET</a> <i>key</i> <i>value</i> <code name="code" class="python">set a key to a string value</code></li><li> <a href="GetCommand.html">GET</a> <i>key</i> <code name="code" class="python">return the string value of the key</code></li><li> <a href="GetsetCommand.html">GETSET</a> <i>key</i> <i>value</i> <code name="code" class="python">set a key to a string returning the old value of the key</code></li><li> <a href="MgetCommand.html">MGET</a> <i>key1</i> <i>key2</i> ... <i>keyN</i> <code name="code" class="python">multi-get, return the strings values of the keys</code></li><li> <a href="SetnxCommand.html">SETNX</a> <i>key</i> <i>value</i> <code name="code" class="python">set a key to a string value if the key does not exist</code></li><li> <a href="MsetCommand.html">MSET</a> <i>key1</i> <i>value1</i> <i>key2</i> <i>value2</i> ... <i>keyN</i> <i>valueN</i> <code name="code" class="python">set a multiple keys to multiple values in a single atomic operation</code></li><li> <a href="MsetCommand.html">MSETNX</a> <i>key1</i> <i>value1</i> <i>key2</i> <i>value2</i> ... <i>keyN</i> <i>valueN</i> <code name="code" class="python">set a multiple keys to multiple values in a single atomic operation if none of the keys already exist</code></li><li> <a href="IncrCommand.html">INCR</a> <i>key</i> <code name="code" class="python">increment the integer value of key</code></li><li> <a href="IncrCommand.html">INCRBY</a> <i>key</i> <i>integer</i><code name="code" class="python"> increment the integer value of key by integer</code></li><li> <a href="IncrCommand.html">DECR</a> <i>key</i> <code name="code" class="python">decrement the integer value of key</code></li><li> <a href="IncrCommand.html">DECRBY</a> <i>key</i> <i>integer</i> <code name="code" class="python">decrement the integer value of key by integer</code></li></ul>
<h2><a name="Commands operating on lists">Commands operating on lists</a></h2><ul><li> <a href="RpushCommand.html">RPUSH</a> <i>key</i> <i>value</i> <code name="code" class="python">Append an element to the tail of the List value at key</code></li><li> <a href="RpushCommand.html">LPUSH</a> <i>key</i> <i>value</i> <code name="code" class="python">Append an element to the head of the List value at key</code></li><li> <a href="LlenCommand.html">LLEN</a> <i>key</i> <code name="code" class="python">Return the length of the List value at key</code></li><li> <a href="LrangeCommand.html">LRANGE</a> <i>key</i> <i>start</i> <i>end</i> <code name="code" class="python">Return a range of elements from the List at key</code></li><li> <a href="LtrimCommand.html">LTRIM</a> <i>key</i> <i>start</i> <i>end</i> <code name="code" class="python">Trim the list at key to the specified range of elements</code></li><li> <a href="LindexCommand.html">LINDEX</a> <i>key</i> <i>index</i> <code name="code" class="python">Return the element at index position from the List at key</code></li><li> <a href="LsetCommand.html">LSET</a> <i>key</i> <i>index</i> <i>value</i> <code name="code" class="python">Set a new value as the element at index position of the List at key</code></li><li> <a href="LremCommand.html">LREM</a> <i>key</i> <i>count</i> <i>value</i> <code name="code" class="python">Remove the first-N, last-N, or all the elements matching value from the List at key</code></li><li> <a href="LpopCommand.html">LPOP</a> <i>key</i> <code name="code" class="python">Return and remove (atomically) the first element of the List at key</code></li><li> <a href="LpopCommand.html">RPOP</a> <i>key</i> <code name="code" class="python">Return and remove (atomically) the last element of the List at key</code></li><li> <a href="RpoplpushCommand.html">RPOPLPUSH</a> <i>srckey</i> <i>dstkey</i> <code name="code" class="python">Return and remove (atomically) the last element of the source List stored at _srckey_ and push the same element to the destination List stored at _dstkey_</code></li></ul>
<h2><a name="Commands operating on sets">Commands operating on sets</a></h2><ul><li> <a href="SaddCommand.html">SADD</a> <i>key</i> <i>member</i> <code name="code" class="python">Add the specified member to the Set value at key</code></li><li> <a href="SremCommand.html">SREM</a> <i>key</i> <i>member</i> <code name="code" class="python">Remove the specified member from the Set value at key</code></li><li> <a href="SpopCommand.html">SPOP</a> <i>key</i> <code name="code" class="python">Remove and return (pop) a random element from the Set value at key</code></li><li> <a href="SmoveCommand.html">SMOVE</a> <i>srckey</i> <i>dstkey</i> <i>member</i> <code name="code" class="python">Move the specified member from one Set to another atomically</code></li><li> <a href="ScardCommand.html">SCARD</a> <i>key</i> <code name="code" class="python">Return the number of elements (the cardinality) of the Set at key</code></li><li> <a href="SismemberCommand.html">SISMEMBER</a> <i>key</i> <i>member</i> <code name="code" class="python">Test if the specified value is a member of the Set at key</code></li><li> <a href="SinterCommand.html">SINTER</a> <i>key1</i> <i>key2</i> ... <i>keyN</i> <code name="code" class="python">Return the intersection between the Sets stored at key1, key2, ..., keyN</code></li><li> <a href="SinterstoreCommand.html">SINTERSTORE</a> <i>dstkey</i> <i>key1</i> <i>key2</i> ... <i>keyN</i> <code name="code" class="python">Compute the intersection between the Sets stored at key1, key2, ..., keyN, and store the resulting Set at dstkey</code></li><li> <a href="SunionCommand.html">SUNION</a> <i>key1</i> <i>key2</i> ... <i>keyN</i> <code name="code" class="python">Return the union between the Sets stored at key1, key2, ..., keyN</code></li><li> <a href="SunionstoreCommand.html">SUNIONSTORE</a> <i>dstkey</i> <i>key1</i> <i>key2</i> ... <i>keyN</i> <code name="code" class="python">Compute the union between the Sets stored at key1, key2, ..., keyN, and store the resulting Set at dstkey</code></li><li> <a href="SdiffCommand.html">SDIFF</a> <i>key1</i> <i>key2</i> ... <i>keyN</i> <code name="code" class="python">Return the difference between the Set stored at key1 and all the Sets key2, ..., keyN</code></li><li> <a href="SdiffstoreCommand.html">SDIFFSTORE</a> <i>dstkey</i> <i>key1</i> <i>key2</i> ... <i>keyN</i> <code name="code" class="python">Compute the difference between the Set key1 and all the Sets key2, ..., keyN, and store the resulting Set at dstkey</code></li><li> <a href="SmembersCommand.html">SMEMBERS</a> <i>key</i> <code name="code" class="python">Return all the members of the Set value at key</code></li><li> <a href="SrandmemberCommand.html">SRANDMEMBER</a> <i>key</i> <code name="code" class="python">Return a random member of the Set value at key</code></li></ul>
<h2><a name="Commands operating on sorted sets (zsets, Redis version >">Commands operating on sorted sets (zsets, Redis version ></a></h2> 1.1) ==<br/><br/><ul><li> <a href="ZaddCommand.html">ZADD</a> <i>key</i> <i>score</i> <i>member</i> <code name="code" class="python">Add the specified member to the Sorted Set value at key or update the score if it already exist</code></li><li> <a href="ZremCommand.html">ZREM</a> <i>key</i> <i>member</i> <code name="code" class="python">Remove the specified member from the Sorted Set value at key</code></li><li> <a href="ZincrbyCommand.html">ZINCRBY</a> <i>key</i> <i>increment</i> <i>member</i> <code name="code" class="python">If the member already exists increment its score by _increment_, otherwise add the member setting _increment_ as score</code></li><li> <a href="ZrangeCommand.html">ZRANGE</a> <i>key</i> <i>start</i> <i>end</i> <code name="code" class="python">Return a range of elements from the sorted set at key</code></li><li> <a href="ZrangeCommand.html">ZREVRANGE</a> <i>key</i> <i>start</i> <i>end</i> <code name="code" class="python">Return a range of elements from the sorted set at key, exactly like ZRANGE, but the sorted set is ordered in traversed in reverse order, from the greatest to the smallest score</code></li><li> <a href="ZrangebyscoreCommand.html">ZRANGEBYSCORE</a> <i>key</i> <i>min</i> <i>max</i> <code name="code" class="python">Return all the elements with score >= min and score <= max (a range query) from the sorted set</code></li><li> <a href="ZcardCommand.html">ZCARD</a> <i>key</i> <code name="code" class="python">Return the cardinality (number of elements) of the sorted set at key</code></li><li> <a href="ZscoreCommand.html">ZSCORE</a> <i>key</i> <i>element</i> <code name="code" class="python">Return the score associated with the specified element of the sorted set at key</code></li><li> <a href="ZremrangebyscoreCommand.html">ZREMRANGEBYSCORE</a> <i>key</i> <i>min</i> <i>max</i> <code name="code" class="python">Remove all the elements with score >= min and score <= max from the sorted set</code></li></ul>
<h2><a name="Sorting">Sorting</a></h2><ul><li> <a href="SortCommand.html">SORT</a> <i>key</i> BY <i>pattern</i> LIMIT <i>start</i> <i>end</i> GET <i>pattern</i> ASC|DESC ALPHA <code name="code" class="python">Sort a Set or a List accordingly to the specified parameters</code></li></ul>
<h2><a name="Persistence control commands">Persistence control commands</a></h2><ul><li> <a href="SaveCommand.html">SAVE</a> <code name="code" class="python">Synchronously save the DB on disk</code></li><li> <a href="BgsaveCommand.html">BGSAVE</a> <code name="code" class="python">Asynchronously save the DB on disk</code></li><li> <a href="LastsaveCommand.html">LASTSAVE</a> <code name="code" class="python">Return the UNIX time stamp of the last successfully saving of the dataset on disk</code></li><li> <a href="ShutdownCommand.html">SHUTDOWN</a> <code name="code" class="python">Synchronously save the DB on disk, then shutdown the server</code></li><li> <a href="BgrewriteaofCommand.html">BGREWRITEAOF</a> <code name="code" class="python">Rewrite the append only file in background when it gets too big</code></li></ul>
<h2><a name="Remote server control commands">Remote server control commands</a></h2><ul><li> <a href="InfoCommand.html">INFO</a> <code name="code" class="python">Provide information and statistics about the server</code></li><li> <a href="MonitorCommand.html">MONITOR</a> <code name="code" class="python">Dump all the received requests in real time</code></li><li> <a href="SlaveofCommand.html">SLAVEOF</a> <code name="code" class="python">Change the replication settings</code></li></ul>
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