db.createCollection('表名'):当前使用的数据库创建表 show collections:展示当前数据库下所有的数据表 db.集合名.drop():删除数据表(集合),集合长得全部文档和集合相关的索引都会被删除 db.dropDatabase()删除数据库,数据库相应的文件也会被删除,磁盘空间将被释放 mongodb 默认有两个数据库,分别是存放管理员信...
show collections好像不能用这样。但是你可以通过 db.getCollectionNames获得个数组,以后用javascript的filter选择collections:db.getCollectionNames().filter(function(el) {return el.indexOf('xxx') !== -1}) 0 0 0 Qyouu 除了以上方法外,还可以用db.getCollectionInfos()方法,它直接...
show collections是命令，而不是函数。函数有返回值，命令没有。
show collections好像不能用这样。但是你可以通过 db.getCollectionNames获得个数组,以后用javascript的filter选择collections: db.getCollectionNames().filter(function(el) {return el.indexOf('xxx') !== -1})有用1 回复 查看全部 3 个回答 推荐问题 PHP 跨域的时候一个接口是 OK 的另一个不行? {代码......
('mongodb').MongoClient;consturl='mongodb://localhost:27017';constdbName='mydatabase';MongoClient.connect(url,{useUnifiedTopology:true},(err,client)=>{if(err)throwerr;constdb=client.db(dbName);db.listCollections().toArray((err,collections)=>{if(err)throwerr;constuserTables=collections....
are all installed in the expected location ~/.ansible/. If I remove collections the modules still appear as suggestions (still in the incorrect name-space). Extension version 2.13.148 VS Code version 1.87.2 Ansible Version ansible [core 2.15.9] config file = /home/company.pvt/sa-rncrews/...
Node should start to update all collections during first startup If needed, you can start MongoDB shell via mongo. Then type show dbs to see all databases. Type use db_name_here to switch to preferred database. With show collections you can see all tables (in NoSQL tables are called co...
Showpad Enablement Operating System (eOS) is an all-in-one AI-powered enablement solution that integrates with familiar Microsoft workflows to improve alignment between marketing and sales teams. This connector ensures that sales content is accessible at the optimal moment. Whether engaging with buyers...
How to check email address already exist in MongoDB database ? How to check for duplicate? How to check for same value in collection of objects How to check if a window.locaton.href is successful loaded? How to check if form authentication cookie has expired in your custom authorize...
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