1.查看当前数据库 show dbs 1. 2.创建数据库 比如我们创建一个名为mydb的数据库 use mydb 1. 这个时候我们是看不到的,因为数据库里没有东西 3.删除当前数据库 db.dropDatabase() 1. 可以看到刚才创建的mydb被删除了 下面我们来操作一下 1.插入文档(这里的表称为文档) 使用insert() 或 save(
>db.col.update({'title':'MongoDB 教程'},{'title':'MongoDB'}) 替换掉原来的文档 >db.col.save({"_id" : ObjectId("56064f89ade2f21f36b03136"),"title" : "MongoDB"}) 解释:根据ObjectId 替换 删除文档 >db.col.remove({'title':'MongoDB 教程'}) 删除条件为title = 'MongoDB 教程' ...
If you want to see all users from all databases that have been granted role “rwAdmin”, click the “Refresh for all DBs” button. That’s it! You can now see all users from all databases that have been granted the role “rwAdmin” on our database “test”. Modify MongoDB roles I...
Task<IEnumerable<IMongoDB>> Gilt für: ProduktVersionen Azure SDK for .NET Legacy Arbeiten Sie mit uns auf GitHub zusammen Die Quelle für diesen Inhalt finden Sie auf GitHub, wo Sie auch Issues und Pull Requests erstellen und überprüfen können. Weitere Informationen finden...
resource msql_list_dbs([ resource $link_identifier] ) msql_list_tables() lists the databases available on the specified link_identifier. 参数 link_identifiermSQL 连接。如果不指定,则使用由 msql_connect() 最近打开的连接。如果没有找到该连接,函数会尝试通过调用 ...
ALIYUN::VPC::PrefixList类型用于创建前缀列表。 语法 { "Type": "ALIYUN::VPC::PrefixList", "Properties": { "MaxEntries": Integer, "PrefixListDescription": String, "IpVersion": String, "PrefixListName": String, "Entries": List, "Tags": List, "ResourceGroupId": String } } 属性 属性名...
Databases - 2 DBs, 20 GB each Monitoring - 500 million ingestion datapoints, 1 billion retrieval datapoints Bandwidth - 10 TB egress per month, speed limited to 50 Mbps on x64 based VM, 500 Mbps * core count on ARM based VM Public IP - 2 IPv4 for VMs, 1 IPv4 for load balancer Noti...
Otherwise: Without docker-compose, teams must maintain a testing DB for each testing environment including developers' machines, keep all those DBs in sync so test results won't vary across environments 4.9 Refactor regularly using static analysis tools TL;DR: Using static analysis tools helps by ...
Why we don’t have benchmarks comparing Redis with other DBs ▼ antirez3769 days ago. Redis speed could be one selling point for new users, so following the trend of comparative “advertising” it should be logical to have a few comparisons at Redis.io. However there are two problems with...
The scope of this particular list is limited to things that infrastructure developers (System Administrator, DevOps Practitioners, etc.) are likely to find useful. We love all the free services out there, but it would be good to keep it on topic. It's a bit of a grey line at times so...