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Article, where the information may have evolved or changed. This address: https://linux.cn/article-9006-1.html2017-10-28 20:18 favorites: 1 October 20, the New York-based MongoDB listed on the Nasdaq, closed on the same day at
What is MongoDB?MongoDB is written by the C + + language and is an open source database system based on distributed file storage.In the case of high load, adding more nodes can guarantee the performance of the server.MongoDB is designed to provide
What is MongoDB?MongoDB is an open source database system written by the C + + language.In the case of high load, adding more nodes can guarantee the performance of the server.MongoDB is designed to provide scalable, high-performance data storage
First, the index introductionIn MongoDB, indexes are used to support efficient queries. If there is no index, MONGODB must scan each document in the entire collection to find a matching document. However, if an appropriate index is established,
0) MONGO: Connect MongoDB database via client1) Show DBS---Display the currently created database2) Use test---Create or switch databases3) Db.dropdatabase ()--Delete the current database3) Show Collections: Displays the collection created by the
There is not a lot to know about MongoDB, but in this limited cognition, it is found that its nosql features are distinct.
Because the nosql of the relationship is very interesting and feels more comfortable than relational databases like MySQL.
So
What is MongoDB?MongoDB is written by the C + + language and is an open source database system based on distributed file storage.In the case of high load, adding more nodes can guarantee the performance of the server.MongoDB is designed to provide
MongoDB is an open source database system written by the C + + language.In the case of high load, adding more nodes can guarantee the performance of the server.MongoDB is designed to provide scalable, high-performance data storage solutions for Web
indexes can often greatly improve the efficiency of queries. When you use queries in your system, you should consider establishing related indexes. Creating an index in MongoDB is relatively easy.The index in MongoDB is conceptually the same as most
There is not a lot to know about MongoDB, but in this limited cognition, it is found that its nosql features are distinct.
Because the nosql of the relationship is very interesting and feels more comfortable than relational databases like MySQL.
So
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