Cool Tip:To connect to a remote MongoDB server from the command-line, it needs to install MongoDB command-line client, known asmongoshell!Read More → List Databases in MongoDB To show all databases in MongoDB, execute the following command in themongoshell: > show dbs –or – > show ...
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() 方法...
>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' ...
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...
Databases - 2 DBs, 20 GB each Monitoring - 500 million ingestion data points, 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 ...
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 ▼ antirez3752 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...
Why we don’t have benchmarks comparing Redis with other DBs antirez 3740 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...
Why we don’t have benchmarks comparing Redis with other DBs ▼ antirez3742 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...
Percona Server- Enhanced, drop-in MySQL replacement. PostgreSQL- Object-relational database management system (ORDBMS). PostgreSQL-XL- Scalable Open Source PostgreSQL-based database cluster. SQLite- Library that implements a self-contained, serverless, zero-configuration, transactional SQL DBS. ...