mp2 maintenance

, for small tables, not more than 500W rows of the table, the default sampling scale is no problem, for larger tables, such as more than 500W rows of the table (of course, this 500W line is also a reference value, not the absolute value)Therefore, the default sampling scale is simply unable to accurately describe the distribution of data. As a result, it is necessary to update human intervention statistics. So how to update the statistics of the index, is there a fixed way? The answer is in the

Label:MySQL database operations and maintenance coursehttp://www.dataguru.cn/article-4834-1.html?union_site=comm100 Course Outline The first lesson: Machine Selection, System planning Lesson two: Installing a deployment Lesson Three: Stress testing Lesson Four: Performance optimization Lesson Five: Character Sets and permissions security Lesson Six: Log System Seve

There are many geodatabase maintenance tasks that need to be performed on a regular basis. Most of the tasks are standard maintenance for all database management systems (DBMS), such as database backup and database statistics generation. Other maintenance, such as compressing and synchronizing a geodatabase replica, is a geodatabase-specific

First, backgroundPreviously wrote an article about backup: SQL Server maintenance plan to implement database backup, the above article using full backup and differential backup basically can solve the problem of database backup, but in order to protect the data more secure, we need to perfect our backup plan again;The following article mainly joins the log backup, and the design of the frequency of backup and design naming norms and other issues to co

Tags: clustered report guid dia improved span dev common findObjectiveTo do daily inspection is an important step of database management and maintenance, and it is necessary to register each inspection date and result, and may need to make a inspection report. This series is designed to address some common problems: I don't know what to patrol. Don't know how to get a quick checkup Machine Too much physical examination trouble Di

With the progress of the Times, the rapid development of technology, it field of employment requirements are gradually improved, in order to better adapt to their own market environment, small partners continue to walk on the road of learning, to recharge their own value-added. Times in progress, everyone in progress, if you stay, you have regressed. What about the current Linux ops people? What's the problem?I. Problems arising from the rise of cloud computingThe rise of cloud computing, to sol

With the progress of the Times, the rapid development of technology, it field of employment requirements are gradually improved, in order to better adapt to their own market environment, small partners continue to walk on the road of learning, to recharge their own value-added. Times in progress, everyone in progress, if you stay, you have regressed. What about the current Linux ops people? What's the problem?I. Problems arising from the rise of cloud computingThe rise of cloud computing, to sol

Use and Maintenance of Oracle Database Password files Use and Maintenance of Oracle Database Password files The ORACLE tutorial is: use and maintain the password file of the Oracle database. Summary:Oracle relational database system has been widely used for its excellent performance. Ensuring database security is an important part of database management. This article provides a detailed introduction to the

Without considering the running efficiency and post-maintenance, which framework or Web development language of PHP is the fastest to be used in some low-cost enterprise websites (common CMS cannot meet) or some low-cost functional websites do not consider which PHP framework or Web development language is the fastest in terms of operating efficiency and post-maintenance. It is mainly used for some low-cos

Create a database table maintenance Specification It is a good idea to perform a database table check on a regular basis rather than when a problem occurs. Taking into account the establishment of a schedule for preventive maintenance to assist with automatic problems, you can take measures to correct them: Perform regular database backup and Allow Log updates. Schedule regular table checks. Using the check

Article Title: four tips allow new users to gradually master linux system maintenance. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. For server systems, Linux servers are relatively more stable and secure than Windwos servers. However, for new users, stable and secure Linux servers still need reasonable and timel

. Status name is eulg.Please don't hardcode anything by using set pf status statment, you just add one line of code the PBo by creating new module. Https://forums.sdn.sap.com/thread.jspa? Threadid = 1593938 tstart = 809 Sm30 table maintenance transmission problems Http://www.sapfans.com/forums/viewtopic.php? F = 12 t = 286914 START = 0 St = 0 Sk = T SD = Thank you thanks you Thank you !!!!!With the table set to "standard recording routine" a

Excerpt 12-Maintenance of automated test scripts Http://www.china-pub.com/196509 Project Review> 2008-5-27 At present, Project A's automated testing project is being carried out in an orderly manner. The test scripts of the Basic module are developed, and various common test operations are extracted as common functions, it lays a solid foundation for subsequent integration testing and automated testing Script Development in the system testing phase

System, security, and maintenance Put these three types together. On the one hand, I have little experience in this field, but I am only engaged in work at ordinary times, on the other hand, I think the job content in these categories is that many jobs need to master the technology, but these jobs require more refined technology and more workload, for example, the system administrator monitors the server every day and grants permissions to the account

I have been engaged in computer management and maintenance for a long time. I need to check and maintain computers frequently to ensure normal teaching work. For school computers, due to frequent use by students, some problems often occur. I have observed that there are not many hardware faults, even if most of the contact problems are caused by oxidation of gold fingers of dust or components, the problem can be solved by removing dust or oxide from a

During the PTN Network Period, the integration of transmission-side and wireless-side maintenance must be put on the agenda. First, the core technology of the PTN network is Packet Exchange. The "Elastic Pipeline" feature gives the technology the advantages of statistical reuse, greatly improving the resource utilization of the network, it also brings about problems such as how to implement emergency communication protection without affecting the tran

Construction and maintenance of test environmentFirst, the test environment classification Functional test environment; Performance test environment. Second, the Operation procedure Developers write installation and maintenance manuals; Build and maintain manually or automatically according to the installation and maintenance manual

What do the daily server maintenance do? server maintenance is a headache problem, often encounter such or such problems; If the company has the operation of cattle or hosting servers, renting servers in individual ISPs, congratulations, you are lucky, if not, it is best to regularly back up, check, to avoid problems when the server is helpless. Below for everyone to comb the daily server

I am not an operation, I can not say! But the work of operation and maintenance is also done! But I feel like a handyman!system maintenance to do, Oracle maintenance do, and occasionally do the MySQL database maintenance, but mainly around the company's set of invoicing system to turn! Very confused, participated in th

Unix operating system is widely used in various telecom operators, and the backend servers of various business management systems almost all use UNIX operating system. As one of the UNIX operating systems, AIX has been welcomed by many system administrators because of its high stability and good compatibility.Here are a few ways for everyone to share, to improve the purpose of maintenance, targeted and maintenance