MongoDB

Today, I saw a very good MongoDB client tool named mongovue at http://www.mongovue.com /. It's a good job. Version 1.0 starts to charge fees, and the cost is only 35 $. If you really need someone to pay for it, you can buy it. This tool is also

ArticleDirectory 1. Download MongoDB Ii. Configuration Service Iii. faster and simpler deployment Solutions MongoDB Overview MongoDB is a distributed file storage-based database. Written in C ++. It is designed to provide

Address: http://www.cnblogs.com/lovecindywang/archive/2011/03/02/1969324.html We tested the performance of MongoDB's hundreds of millions of data records and tested the following items: (ALL inserts are performed in a single thread, and all

It has been a long time before the previous text. On the one hand, my work is a little busy, and I have encountered some problems which have not been solved yet. In this case, I willArticleAt the end of this article, let's go to the topic of this

Suppose there is a user table in the database with two records in it. We want to export it.   Common export Methods[Root @ localhost bin] #./export-D my_mongodb-C user-o User. dat Connected to: 127.0.0.1 Exported 2 records [Root @ localhost bin] #

Document directory 1. Set the master node (IP: 10.0.0.1)   2. Set slave node (IP: 10.0.0.2)   3. Add the master node information (IP: 10.0.0.3) to the sources set)   4. Modify the slave node configuration to 10.0.0.4: 27037 as the source.

1. Positioning modifier of the array If the array has multiple values, you only want to modify some of them. You can use the position or positioning operator. For example, change the first value of the previous e-mail array "295240648@163.com" to "29

What is IBM DB2 V9.7? Are you interested in it? And how is IBM DB2 V9.7 used in actual operations? The latest version of IBM DB2 9 for Linux, UNIX, and Windows V9.7 mainly provides some important new features and enhancements to meet the needs of

This article mainly describes how to correctly upgrade the instance of DB2V8 to the latest database version of DB2V95 on the AIX pSeries LPAR platform, as well as the usage of its basic upgrade commands, the following is a detailed description of

When using DB2, database security requires us to consider things. This article provides a simple example. In this example, encryption and decryption of passwd are set globally, use the db2 database encryption function encrypt and decrypt_char. For

DB2 database restrictions, that is, database management page size restrictions. If you are interested in understanding the DB2 Management page size restrictions, you can use the following articles to learn more about it. The following uses DB2 7.x

The following article describes how to automatically increase the primary key of a DB2 database, in practice, the DB2 database can use generated always as identity to specify a related field as a self-increasing field, for example: This indicates

Offline DB2 backup is one of the DB2 backup methods. The following describes the offline DB2 backup methods in detail. If you are interested in this, take a look. -- DB2 offline backup Test -- Create a databaseDb2 create db TestDB -- Create a

DB2 databaseApplication is very common for some beginners, theseCommandDaquan is the first thing to grasp. Next, I will not talk much about it. I will directly present you a list of commonly used DB2 commands. I. Common commands 1. Create a database

  JDBCIsolation level Database isolation level Data Access TRANSACTION_READ_UNCOMMITTED (Uncommitted Read) Uncommitted Read Ur Dirty read can read updated data when no data is submitted.

  In windows cmd, you cannot directly run the db2 command. If you type db2 directly under cmd, an error is returned, "DB21061E has not initialized the command line environment ".   The solution is to type db2cmd, and then you can type db2.    

The most common feature of data migration in Db2 is the import and export function. The Import and Export commands seem simple, but they actually contain xuanjicang, which is ever-changing. If you are not careful about it, there are hundreds of

DB2 basic concepts-instances, databases, tablespaces, containers DB2 supports two types of tablespaces: 1. System Management memory tablespaces (SMS-SYSTEM managed storage) 2. Database Management memory tablespace (DMS-DATABASE managed storage)

DB2 create a stored PROCEDURE ---- add by liujx www.2cto.com -- initialize the 'account' field of the payment result query -- delete the Stored procedure drop procedure cmbbcd. UPDATE_CONDITION_VALUE (); -- DELETE data with key _ 0 from cmbbcd. CMCS3

DB2 TRUNCATE is used in DB2. There are two common methods to quickly clear data in a TABLE: alter table O_LNB_SM_USERINFO activate not logged initially with empty table; delete the table O_LNB_SM_USERINFO without logging the second import from