{ "schema_version": 2, "id": "commands/del", "title": "DEL", "url": "https://redis.io/docs/latest/commands/del/", "summary": "Deletes one or more keys.", "since": "1.0.0", "tags": [ "docs", "develop", "stack", "oss", "rs", "rc", "oss", "kubernetes", "clients" ], "last_updated": "2026-09-18T09:48:32+01:00", "page_type": "content", "content_hash": "9056d045f346458c953ea01f6284db6916463e51087bdd9c0ab6c9246338d5e9", "sections": [ { "id": "required-arguments", "title": "Required arguments", "role": "content", "text": "
key [key ...]\n\nOne or more keys to delete.\n\n
" }, { "id": "examples", "title": "Examples", "role": "example", "text": "Foundational: Delete one or more keys using DEL (ignores non-existent keys, returns count of deleted keys)\n\n**Difficulty:** Beginner\n\n**Commands:** SET, DEL\n\n**Complexity:**\n- SET: O(1)\n- DEL: O(N)\n\n**Available in:** Redis CLI, C, C#, Go, Java (Asynchronous - Lettuce), Java (Reactive - Lettuce), Java (Synchronous - Jedis), JavaScript (Node.js), JavaScript (Node.js), PHP, Python, Rust (Asynchronous), Rust (Synchronous)\n\n##### Redis CLI\n\n[code example]\n\n##### C\n\n[code example]\n\n##### C#\n\n[code example]\n\n##### Go\n\n[code example]\n\n##### Java (Asynchronous - Lettuce)\n\n[code example]\n\n##### Java (Reactive - Lettuce)\n\n[code example]\n\n##### Java (Synchronous - Jedis)\n\n[code example]\n\n##### JavaScript (Node.js)\n\n[code example]\n\n##### JavaScript (Node.js)\n\n[code example]\n\n##### JavaScript (Node.js)\n\n[code example]\n\n##### JavaScript (Node.js)\n\n[code example]\n\n##### PHP\n\n[code example]\n\n##### Python\n\n[code example]\n\n##### Rust (Asynchronous)\n\n[code example]\n\n##### Rust (Synchronous)\n\n[code example]" }, { "id": "redis-software-and-redis-cloud-compatibility", "title": "Redis Software and Redis Cloud compatibility", "role": "content", "text": "| Redis
Software | Redis
Cloud | Notes |\n|:----------------------|:-----------------|:------|\n| ✅ Standard
✅ Active-Active | ✅ Standard
✅ Active-Active | |" }, { "id": "return-information", "title": "Return information", "role": "returns", "text": "**RESP2:**\n\n[Integer reply](../../develop/reference/protocol-spec#integers): the number of keys that were removed.\n\n**RESP3:**\n\n[Integer reply](../../develop/reference/protocol-spec#integers): the number of keys that were removed." } ], "examples": [ { "id": "examples-ex0", "language": "plaintext", "code": "> SET key1 \"Hello\"\nOK\n> SET key2 \"World\"\nOK\n> DEL key1 key2 key3\n(integer) 2", "section_id": "examples" }, { "id": "examples-ex1", "language": "c", "code": "reply = redisCommand(c, \"SET key1 Hello\");\n printf(\"%s\\n\", reply->str);\n // >>> OK\n freeReplyObject(reply);\n\n reply = redisCommand(c, \"SET key2 World\");\n printf(\"%s\\n\", reply->str);\n // >>> OK\n freeReplyObject(reply);\n\n reply = redisCommand(c, \"DEL key1 key2 key3\");\n printf(\"%lld\\n\", reply->integer);\n // >>> 2\n freeReplyObject(reply);", "section_id": "examples" }, { "id": "examples-ex2", "language": "csharp", "code": "bool delResult1 = db.StringSet(\"key1\", \"Hello\");\n Console.WriteLine(delResult1); // >>> true\n\n bool delResult2 = db.StringSet(\"key2\", \"World\");\n Console.WriteLine(delResult2); // >>> true\n\n long delResult3 = db.KeyDelete([\"key1\", \"key2\", \"key3\"]);\n Console.WriteLine(delResult3); // >>> 2", "section_id": "examples" }, { "id": "examples-ex3", "language": "go", "code": "delResult1, err := rdb.Set(ctx, \"key1\", \"Hello\", 0).Result()\n\n\tif err != nil {\n\t\tpanic(err)\n\t}\n\n\tfmt.Println(delResult1) // >>> OK\n\n\tdelResult2, err := rdb.Set(ctx, \"key2\", \"World\", 0).Result()\n\n\tif err != nil {\n\t\tpanic(err)\n\t}\n\n\tfmt.Println(delResult2) // >>> OK\n\n\tdelResult3, err := rdb.Del(ctx, \"key1\", \"key2\", \"key3\").Result()\n\n\tif err != nil {\n\t\tpanic(err)\n\t}\n\n\tfmt.Println(delResult3) // >>> 2", "section_id": "examples" }, { "id": "examples-ex4", "language": "java", "code": "CompletableFuture delExample = asyncCommands.set(\"key1\", \"Hello\")\n .thenCompose(r1 -> {\n System.out.println(r1); // >>> OK\n return asyncCommands.set(\"key2\", \"World\");\n })\n .thenCompose(r2 -> {\n System.out.println(r2); // >>> OK\n return asyncCommands.del(\"key1\", \"key2\", \"key3\");\n })\n .thenAccept(r3 -> {\n System.out.println(r3); // >>> 2\n })\n .toCompletableFuture();", "section_id": "examples" }, { "id": "examples-ex5", "language": "java", "code": "Mono delExample = reactiveCommands.set(\"key1\", \"Hello\")\n .flatMap(r1 -> {\n System.out.println(r1); // >>> OK\n return reactiveCommands.set(\"key2\", \"World\");\n })\n .flatMap(r2 -> {\n System.out.println(r2); // >>> OK\n return reactiveCommands.del(\"key1\", \"key2\", \"key3\");\n })\n .doOnNext(r3 -> {\n System.out.println(r3); // >>> 2\n })\n .then();", "section_id": "examples" }, { "id": "examples-ex6", "language": "java", "code": "String delResult1 = jedis.set(\"key1\", \"Hello\");\n System.out.println(delResult1); // >>> OK\n\n String delResult2 = jedis.set(\"key2\", \"World\");\n System.out.println(delResult2); // >>> OK\n\n long delResult3 = jedis.del(\"key1\", \"key2\", \"key3\");\n System.out.println(delResult3); // >>> 2", "section_id": "examples" }, { "id": "examples-ex7", "language": "javascript", "code": "const delRes1 = await client.set('key1', 'Hello');\nconsole.log(delRes1); // OK\n\nconst delRes2 = await client.set('key2', 'World');\nconsole.log(delRes2); // OK\n\nconst delRes3 = await client.del(['key1', 'key2', 'key3']);\nconsole.log(delRes3); // 2", "section_id": "examples" }, { "id": "examples-ex8", "language": "javascript", "code": "console.log(await redis.set('key1', 'Hello')); // >>> OK\nconsole.log(await redis.set('key2', 'World')); // >>> OK\n\nconst delResult = await redis.del('key1', 'key2', 'key3');\nconsole.log(delResult); // >>> 2", "section_id": "examples" }, { "id": "examples-ex9", "language": "javascript", "code": "const delRes1 = await client.set('key1', 'Hello');\nconsole.log(delRes1); // OK\n\nconst delRes2 = await client.set('key2', 'World');\nconsole.log(delRes2); // OK\n\nconst delRes3 = await client.del(['key1', 'key2', 'key3']);\nconsole.log(delRes3); // 2", "section_id": "examples" }, { "id": "examples-ex10", "language": "javascript", "code": "console.log(await redis.set('key1', 'Hello')); // >>> OK\nconsole.log(await redis.set('key2', 'World')); // >>> OK\n\nconst delResult = await redis.del('key1', 'key2', 'key3');\nconsole.log(delResult); // >>> 2", "section_id": "examples" }, { "id": "examples-ex11", "language": "php", "code": "echo $r->set('key1', 'Hello') . PHP_EOL; // >>> OK\n echo $r->set('key2', 'World') . PHP_EOL; // >>> OK\n\n $delResult = $r->del('key1', 'key2', 'key3');\n echo $delResult . PHP_EOL; // >>> 2", "section_id": "examples" }, { "id": "examples-ex12", "language": "python", "code": "res = r.set(\"key1\", \"Hello\")\nprint(res)\n# >>> True\n\nres = r.set(\"key2\", \"World\")\nprint(res)\n# >>> True\n\nres = r.delete(\"key1\", \"key2\", \"key3\")\nprint(res)\n# >>> 2", "section_id": "examples" }, { "id": "examples-ex13", "language": "rust", "code": "if let Ok(res) = r.set(\"key1\", \"Hello\").await {\n let res: String = res;\n println!(\"{res}\"); // >>> OK\n }\n\n if let Ok(res) = r.set(\"key2\", \"World\").await {\n let res: String = res;\n println!(\"{res}\"); // >>> OK\n }\n\n match r.del(&[\"key1\", \"key2\", \"key3\"]).await {\n Ok(res) => {\n let res: i32 = res;\n println!(\"{res}\"); // >>> 2\n },\n Err(e) => {\n println!(\"Error deleting keys: {e}\");\n return;\n }\n }", "section_id": "examples" }, { "id": "examples-ex14", "language": "rust", "code": "if let Ok(res) = r.set(\"key1\", \"Hello\") {\n let res: String = res;\n println!(\"{res}\"); // >>> OK\n }\n\n if let Ok(res) = r.set(\"key2\", \"World\") {\n let res: String = res;\n println!(\"{res}\"); // >>> OK\n }\n\n match r.del(&[\"key1\", \"key2\", \"key3\"]) {\n Ok(res) => {\n let res: i32 = res;\n println!(\"{res}\"); // >>> 2\n },\n Err(e) => {\n println!(\"Error deleting keys: {e}\");\n return;\n }\n }", "section_id": "examples" } ] }