db copydatabase

Let's take a look at the MongoDB copy Database Copydatabase (). To achieve the method of freeing disk space, I hope the article will help you.Db.copydatabase ("from", "to", "127.0.0.1:16161");The From library on the 127.0.0.1. Copy to the to library.

Let's take a look at the MongoDB copy Database Copydatabase ().To achieve the method of freeing disk space, I hope the article will help you.Db.copydatabase ("from", "to", "127.0.0.1:16161"); The From library on the 127.0.0.1. Copy to the to library.

If you have never been familiar with MongoDB or have a little understanding of MongoDB, if you are a C # developer, take a few minutes to read this article. This article will take you step by step to get started easily. Read directory 1:

  MongoDB database OverviewMongoDB is a high-performance, open-source, and non-pattern document-type database. It can be used in many scenarios to replace the traditional relational database or key/value storage mode. MongoDB is developed in C ++

Common shell for mongodb and mongodbshell > Use cmd_test // create a database Switched to db pai_test > Db. createCollection ("test") // create a table as a set. {"OK": 1} > Db. Db. addUser (db. group ( Db. adminCommand (db. groupcmd ( Db. auth (db.

MongoDB step by step (2) mongodb compared with T-SQL, mongodbt-SQL SQL Terms/Concepts MongoDB Terms/Concepts Database Database Table Collection) Row Document) Column Key) Value

Common mongodb shell > Use cmd_test // create a database switched to db cmd_test> db. createCollection ("test") // create a table is the collection {"OK": 1}> db. db. addUser (db. group (db. adminCommand (db. groupcmd (db. auth (db. groupeval (db.

Traditional relational databases are generally composed of three levels: database, table, and record,MongoDB is composed of three layers: database, collection, and document.. MongoDB has no concept of columns, rows, and links for tables in

Import Java. Io. file; Import Java. Io. fileoutputstream; Import Java. Io. ioexception; Import Java. Io. inputstream; Import Java. Io. outputstream; Import Android. content. context; Import Android. database. SQLite. sqlitedatabase;

ArticleDirectory I. Software Packages I. Software Packages A) mongodb-linux-i686-static-1.8.1.tar Ii. Installation Steps A) tar xzf mongodb-linux-i686-static-1.8.1.tar B) Music mongodb-linux-i686-static-1.8.1/usr/local/MongoDB