best database for large data

Tags: number of rows data mount customer record price consolidation time view First, the design of database structure If not design a reasonable database model, not only will increase the client and server segment program programming and maintenance difficulty, and will affect the actual performance of the system. Therefore, the design of a complete

First, the design of database structureIf not design a reasonable database model, not only will increase the client and server segment program programming and maintenance difficulty, and will affect the actual performance of the system. Therefore, the design of a complete database model is necessary before a system starts to implement.In a system analysis, design

If we can't design a reasonable database model, it will not only increase the difficulty of programming and maintaining the client and server segment program, but also will affect the performance of the system in actual operation. Therefore, it is necessary to design a complete database model before a system begins to be implemented. I. Design of database struct

Links: http://www.uml.org.cn/sjjm/201308264.aspHigh concurrency database can handle large amount of information at the same time, the application scope is very wide. Today we will discuss the large data volume and high concurrency of the database optimization, we hope to hel

Label:First, the design of database structure If not design a reasonable database model, not only will increase the client and server segment program programming and maintenance difficulty, and will affect the actual performance of the system. Therefore, the design of a complete database model is necessary before a system starts to implement. In a system analysis

1.1: Add secondary data files Starting with SQL SERVER 2005, the database does not generate the NDF data file by default, generally there is a master data file (MDF) is enough, but some large databases, because of a lot of information, and query frequently, so in order to im

killer of query optimization. The above measures in the amount of data reached a certain level, the role of optimization can not be obvious. At this time, the amount of data must be diverted. There are two kinds of measures, such as sub-database and sub-table. And there are two ways of dividing table and vertical slicing and horizontal slicing. Here's a brief in

Tags: without dbus close STS Read File Upd Manage method demGoal: Understand the fundamentals of big object processing, Master the reading and writing operation of CLOB data. You can use the Clob class to work with large text data. Large object handling mainly refers to CLOB and blob two types of fields. You can store

If we can't design a reasonable database model, it will not only increase the difficulty of programming and maintaining the client and server segment program, but also will affect the performance of the system in actual operation. Therefore, it is necessary to design a complete database model before a system begins to be implemented. In a system analysis, design phase, because of the small amount of

In view of the problems in the last exam system, when the traffic volume of data is too large and there is too much dynamic interaction with the data, the server memory and CPU usage are high. The instance diagram is as follows: According to the teacher's inspiration, I found the basic reason. The main reason is that there is too much

In a real business scenario, we must have encountered the need for large quantities of data to be put into storage or updated. At this time we are in the implementation of this kind of insertion, or update will certainly encounter the problem of database efficiency, the first thing we can think of is to make things as consistent as possible, unified to commit tra

")); String Drive = P.getproperty ("Driver"); String URL = p.getproperty ("url"); String user = P.getproperty ("username"); String Password = p.getproperty ("Password"); Class.forName (drive); con = drivermanager.getconnection (url, user, password); }Catch(IOException e) {Throw NewRuntimeException ("configuration file Exception", e); }Catch(ClassNotFoundException e) {Throw NewRuntimeException ("Drive.class file Unexpected", e); }Catch(SQLException e) {Throw NewRuntimeException

XML processing at the bottom layer of soap, and a problem occurs at this time. I think it is because 3 m of data is too big. (I guess I will test this machine in the afternoon) For these reasons, I need the most "lightweight" way to transmit data over the network. It is definitely compressed. After talking about this, I did not enter the topic. My topic is to wipe the ass of SQLite after deleting

Q: The Oracle database in the company is 20G large (this is the size of a scenario). The original plan has 30G, I have deleted the data can be deleted, how to backup? Feel backup once good slow ah. Does the expert have any guidance? (Another: 20G database is not backup also want 20G this?) I want to be able to back up

In WEB applications, should a large amount of static data be stored in the database or directly stored in the PHP service layer? It means that a WEB application with a large amount of static data, such as a WEB game with a MYSQL-PHP-JS architecture, it has a

Dear experts, I recently took over a tough question from my company. the question about how to use MySQL to store large data volumes is mainly about two historical data tables in the database, one historical analog data and one historical switch

= true -- When loading a large amount of data, it is best to suppress the log generation by about 10 GB: -- Sqlalter table resultxt nologging; -- This will not generate REDO logs, which can improve the efficiency. Add an unrecoverable line to load data in the CONTROL file. -- This option must be applied together with DIRECT. -- In concurrent operations, Oracle d

Tags: des style http color using AR strong data SP"E-Mentor Network" in the use of Access databases do not need to open a dedicated database space, call, migration is also convenient, save money. In addition to the website builders of the professional ability requirements are relatively low. But with the website running, the database volume is getting bigger, the

Database optimization with large data volume and high concurrencyFirst, the design of database structureIf not design a reasonable database model, not only will increase the client and server segment program programming and maintenance difficulty, and will affect the actual

Tags: t_sql based on routine member message segmentation workload Price ASTReference: http://www.cnblogs.com/chuncn/archive/2009/04/21/1440233.htmlFirst, the design of database structureIf not design a reasonable database model, not only will increase the client and server segment program programming and maintenance difficulty, and will affect the actual performance of the system. Therefore, the design of a