mongodb data browser

1. Preface Recently, I have been studying MongoDB. I have learned a lot about data modification and complicated commands. So I will summarize some frequently used modification commands in this blog to facilitate future study. 2. Command Summary 1). insert () Db. collection. insert (x) x is the object to be updated. It can only be a single record, for example: Db. collection. insert ({_ id: 1, name: "test",

Tags: MongoDB document index database embeddedThe data in MongoDB has a flexible pattern. Unlike SQL database, you must determine the pattern before inserting the data and declaring a table,the collection of MongoDB does not execute the document structure. He has the flexib

The data in MongoDB has a flexible pattern. Unlike SQL databases, which require that you have to decide and declare a table's schema before inserting data, the MongoDB collection does not enforce the structure of the document. This flexibility facilitates mapping of documents to entities or objects. Each document can m

Tags: number composition structure Storage src storage file requires IDTData file structureExtentWithin each data file, MongoDB organizes the data of the stored Bson document and the B-tree index into the logical container "Extent". As shown (My-db.1 and my-db.2 are the two data files of the database): A file can

Tags: server security User name database Management folder mongodb3.2.6 backupVersion: mongodb3.2.6Backup format:/data/mongodb/bin/mongodump-h IP--port Port number-U User-p password-d database name-O storage pathRecovery format:/mnt/mongodb/bin/mongorestore -H IP--port port number- u User name-p password-d database name backup folder name/*Note that if

Tags: des blog http io ar strong for file dataDemand:1. A new record is added to the source database, and a new record is added to the target repository;2. The source database modifies a record, and the target library modifies the record at the same time;Example uses three kettle componentsThe following details the configuration of each componentSource:This example connects to a MongoDB database, four fields, the ID defaults to the primary key, and th

Tags: mongodb spring data MongoDB SpringSpring Data MongoDB III: Basic document Queries (query, basicquery) (i) Learn MongoDB Six: MongoDB query (cursor action, cursor information) (iii

In the above article, we learned how to use MySQL to learn how to install MongoDB. In this article, we will continue our learning journey and learn its data storage structure. 1. MySQL Data Storage Structure Each MySQL database is stored in a folder with the same name as the database. the MySQL database files include the database files created by MySQL and the da

In this article, We will practice how to use the Mongodb data service to store new custom data. As we have said before, using the Mongodb data service is as simple as four steps: 1) define an object 2) define metadata 3) configure the Mo