MongoDB

Because in many times the intranet scan does not have the authorized win's good, a little bit of weak password scanner (generate reports, a variety of services), compiled into a plug-in, and then made a MONGODB scan plug-in.X-scan after

Download and install MongoDB downloadReference: MongoDB official website http://www.mongodb.org/Download Mongodb-win32-x86_64-2008plus-ssl-3.0.0-signed,msiTip: See how many bits the system isWMIC OS get OsarchitectureInstallationReference: official

1. PreambleMongoDB is a scalable, high-performance, open-source, mode-free, document-oriented database. It is written using C + +. MongoDB contains features: L? Collection-oriented storage: suitable for storing objects and data in JSON form.

MongoDB is a product between a relational database and a non-relational database, and is the most versatile and most like relational database in a non-relational database. The data structure he supports is very loose and is a JSON-like Bjson format,

Query the embedded document and query the normal document is exactly the same;For example:> db.post.find ()    {  "_id"  : objectid ("54ace1394ba07ed75df68f90"),  "Name"  : {  "FirstName"  :  "Joe",  "LastName"  :  "Schome"  },  " Age " : 28 }    { "

MongoDB is currently the best document-oriented, free, open-source NoSQL database. If you are preparing for a technical interview with MongoDB NoSQL database, you'd better take a look at the following MongoDB NoSQL interview quiz. These MongoDB

statement: The article is mainly from the "MongoDB Combat" a book, the main want to learn from the book MongoDB Knowledge, deepen understanding, so write in their own blog, as a record, in the final chapter, There will be a Web application that sets

Tag:mongodb   find    array     Db.post.find ()    {  "_id"  : objectid ("54a530c3ff0df3732bac1681"),  "id"   : 2,  "name"  :  "Joe",  "age"  : 30,  "sex"  : 1,  "school"  :  "Marry"  }    {  "_id"  : objectid ("54a530c3ff0df3732bac1680 "), " id " :

First look at the collection post Chinese file information:> Db.post.find ();    {"_id": ObjectId ("54A51CFD7F46906F81B7ADCD"), "bar": "Baz"} {"_id": 0} {"_id": 1} {"_id": 2} {"_id": 5, "Test1": 0} {"_id": 4, "Test2": 2} {"_id": 3 , "Test3": 3}

Enable shell logon for the first time after installing MongoDBMongoThe error will appear:warning:failed to connect to 127.0.0.1:27017, reason:errno:111 Connection refusedUse the command to view the following related information:Mongod–vOutput the

General Introduction:Because the MongoDB database supports the access of the Bson object (the binary form of the JSON object) in the JavaScript scripting environment, the efficiency of accessing the data is very high. In the MongoDB database, each

Want to write a blog for a long time, because has been suffering from lazy cancer, so has been dragged to the present. Markdown's grammar is also just learning, test the effectAll right, no, it's just dry.---------------------------------------------

The recent transformation of two applications, a series of problems in the online process (part of which is due to objectid misunderstanding)first to understand the following objectid:TimeStampThe first 4 bits is a UNIX timestamp, is an int category,

About Windows platform Building MONGO database replication Set this topic, I have written two blog posts in frontFirst article: How to build a MONGO database replica set on the Windows platformSecond: Data synchronization and fault adaptive

Developing Web Instant chat system based on Node.js+express.js+jade+mongodbThis course requires learners to learn about JavaScript, which is ideal for college friends who want to learn more about node. js, web front-end orientation, or a working

1. Db.serverstatus () See Shard Performance InformationDb.serverstatus (). connections; Shards view the number of client connections, Mongod and MONGOs connections are long connections"Connections": {"Current": 737,--the currently active connection

When using NOSQL MongoDB to create an index, pay attention to the following suggestions and Explain optimization analysis: nosqlmongodb First, the MongoDB index is very similar to the MySQL index, and many MySQL index optimization methods are also

02. Examples of applications for lomboz and JDBC processing DDL statements1. lomboz development toolsLomboz is a major open-source plug-in (open-source plug-in) of Eclipse. The Lomboz plug-in enables Java developers to better use Eclipse to create,

Java. SQL. Batch Update Exception: ORA-12899 Recently, when I used the JDOM component to parse XML file data and store the data to the oracle database, the following error occurs: Exception in thread "main" java.sql.BatchUpdateException: ORA-12899:

Database-Database System StructureDatabase System Structure From the perspective of the database management system, the database system usually adopts a three-level structure, which is the internal system structure of the database system. From the