{"id":29960,"date":"2023-01-19T18:23:08","date_gmt":"2023-04-28T01:47:33","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/mysql%e5%92%8cmongodb%e5%b0%8d%e7%85%a7%e8%a1%a8\/"},"modified":"2025-08-12T16:47:22","modified_gmt":"2025-08-12T08:47:22","slug":"mysql%e5%92%8cmongodb%e5%b0%8d%e7%85%a7%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/mysql%e5%92%8cmongodb%e5%b0%8d%e7%85%a7%e8%a1%a8\/","title":{"rendered":"MySQL\u548cMongoDB\u5c0d\u7167\u8868"},"content":{"rendered":"

\u672f\u8bed<\/h1>\n

\u672f\u8bed\u3002<\/p>\n

\n
MySQL\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000MongoDB\u3000\u3000\u3000\u3000\u3000\u3000\u3000 \u3000\u3000\u3000\u3000\u3000\u3000databasesdatabasetablecollectionrowdocumentcolumnfield<\/div>\n<\/div>\n

\u6307\u4ee4<\/h1>\n

\u6709\u5173\u516c\u5f0f\u7684\u4fe1\u606f\uff0c\u8bf7\u67e5\u770b\u6b64\u7f51\u5740\uff1ahttps:\/\/docs.mongodb.com\/manual\/reference\/sql-comparison\/<\/p>\n

\n
MySQL\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000MongoDB\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000 \u3000\u3000\u3000\u3000\u3000\u3000\u3000show databases;show dbscreate database new_db;use new_dbuse new_db;use new_dbshow tables;show collections
\n\u307e\u305f\u306f
\ndb.getCollectionNames()create table users (name varchar(20));db.createCollection(“users”)drop table usersdb.users.drop()desc users;\u306a\u3057insert into users (name) values (“taro”);db.users.insertOne( { name: “hoge” } )update users
\nset name = “maro”
\nwhere name = “taro”;db.users.updateMany(
\n{ name: “taro” },
\n{ $set: { name: “maro” } }
\n)select * from users;db.users.find()select * from users order by name asc;db.users.find().sort( { name: 1 } )select * from users order by name desc;db.users.find().sort( { name: -1 } )select * from users limit 1;db.users.find().limit(1)select count(*) from users;db.users.count()select name from users where age = 90;db.users.find(
\n{ age: 90 },
\n{ name: 1 }
\n)<\/div>\n<\/div>\n

\u7a7a\u548c\u7f3a\u5931\u7684\u5b57\u6bb5 h\u00e9 de<\/h1>\n

\u9488\u5bf9MySQL\uff0c\u5b83\u662f\u7b80\u5355\u7684\u3002<\/p>\n

\n
MySQL\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000select * from users where age is null;select * from users where age is not null;<\/div>\n<\/div>\n

\u5bf9\u4e8e MongoDB\uff0c\u7531\u4e8e\u5b58\u5728 null \u548c missing \u4e24\u79cd\u60c5\u51b5\uff0c\u6240\u4ee5\u6709\u70b9\u590d\u6742\u3002<\/p>\n

\n
users{ name: “100”,\u3000\u3000age: 100 }
\n{ name: “null”,\u3000\u3000age: null }
\n{ name: “missing” }<\/div>\n<\/div>\n
\n
MongDB\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000users.name\u3000\u3000db.users.find( { age: null } )null, missingdb.users.find( { age: { $ne: null } } )100db.users.find( { age: { $exists: true } } )100, nulldb.users.find( { age: { $exists: false } } )missingdb.users.find( { \\$and: [
\n{ age: { $exists: true } },
\n{ age: null }
\n] } )nulldb.users.find({ age: { $type: 10 } })nulldb.users.find( { age: { \\$not: { $type: 10 } } } )100, missing<\/div>\n<\/div>\n

Docker – Docker<\/h1>\n

\u5f97\u76ca\u4e8eDocker\uff0c\u6bcf\u4e2a\u73af\u5883\u53ef\u4ee5\u7acb\u5373\u53ef\u7528\u3002<\/p>\n

$<\/span> docker run --name<\/span> study-mysql --rm<\/span> -e<\/span> MYSQL_ALLOW_EMPTY_PASSWORD<\/span>=<\/span>yes <\/span>mysql:8.0\r\n\r\n$<\/span> docker exec<\/span> -it<\/span> study-mysql bash\r\nroot@51c68a47680f:\/#<\/span> mysql\r\nmysql><\/span> show databases;<\/span>\r\n+--------------------+\r\n| Database           |\r\n+--------------------+\r\n| information_schema |\r\n| mysql              |\r\n| performance_schema |\r\n| sys                |\r\n+--------------------+\r\n4 rows in set (0.00 sec)\r\n<\/span><\/code><\/pre>\n
$<\/span> docker run --name<\/span> study-mongo --rm<\/span> mongo:4.2\r\n\r\n$<\/span> docker exec<\/span> -it<\/span> study-mongo bash\r\nroot@c2ab8e8878c3:\/#<\/span> mongo\r\n><\/span> show dbs\r\nadmin   0.000GB\r\nconfig  0.000GB\r\nlocal   0.000GB\r\n<\/span><\/code><\/pre>\n
\u56fe\u5f62\u7528\u6237\u754c\u9762<\/h1>\n
\u8fd9\u4e2a\u8f6f\u4ef6\u5f88\u5e38\u7528\u5427\u3002MongoDB Compass\u5f88\u5bb9\u6613\u4f7f\u7528\u3002<\/p>\n
    \n
  • \n
      Sequel Pro<\/ul>\n<\/li>\n<\/ul>\n
       <\/p>\n
        MongoDB Compass<\/ul>\n","protected":false},"excerpt":{"rendered":"
        \u672f\u8bed \u672f\u8bed\u3002 MySQL\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000MongoDB\u3000\u3000\u3000\u3000\u3000\u3000\u3000 \u3000\u3000\u3000\u3000\u3000\u3000databa […]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-29960","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"\nMySQL\u548cMongoDB\u5c0d\u7167\u8868 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8eMySQL\u548cMongoDB\u5c0d\u7167\u8868\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/mysql\u548cmongodb\u5c0d\u7167\u8868\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MySQL\u548cMongoDB\u5c0d\u7167\u8868\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8eMySQL\u548cMongoDB\u5c0d\u7167\u8868\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/mysql\u548cmongodb\u5c0d\u7167\u8868\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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