what is disk defragmentation

Label:You are using a Automatic Storage Management (ASM) instance to MAnage the files of your production database. You have both disk groups, Dg1and DG2 with one device. In the parameter file of the ProduCtion database, the following parameters has been specified:db_create_online_log_dest_1 = ' +DG1 'db_create_online_log_dest_2 = ' +DG2 'What would is the impact

1, download and install the relevant data recovery software in Baidu. 2, installed after the software to open, at this time you can hover over the function of the mouse to view the corresponding functions. What we want to recover is the data that is missing from the hard disk partition. 3, click "Hard

Bios Http://forum-en.msi.com/faq/article/what-is-the-bios-and-what-does-it-do CMOS Post -- beep and display Active other bioss Interrupt Configuration Booting and address Booting Process and address And Grub BiOS -- bootloader0x7c00 (x86) -- OS The address ffff0h has a special purpose in PC. When the system starts, cs = f000h, IP = fff0h, that

We usually install the software in the process, will pop up the installation address, users can manually choose which hard drive to install, but some software is not a pop-up installation address, this time Win7 system directly to the default save to the C:Program Files folder, This is a very bad thing for many users, as the system disk users do not want to insta

after installing the operating system and software for a period of time, the easiest place to regret is not the wrong version of the system, but in the partition is too much to take for granted, not very good prediction of the future of the application environment, not only the system disk space is stretched, other dis

even the directory is deleted, periodically empty the inside of the garbage can be. There is also the temporary file in the Word installation directory, when you use Word, do not delete them, these ~ beginning, tmp end of the file is the Word program to use, many in the read and write protection state, you want to delete them also can not delete; If you crash w

U disk inserted in the computer always appear "U Disk is write protection" error, but the U disk clearly did not write protection switch, what is the reason? Here are a few ways to do this: A. Modify the registration Form 1, ope

U disk inserted in the computer always appear "U Disk is write protection" error, but the U disk clearly did not write protection switch, what is the reason? Here are a few ways to do this: A. Modify the registration Form 1, ope

Working in GNU/LinuxUnderstand GNU/Linux"UNIX is simple, and you don't need to be a genius to understand it ."Since the term GNU/Linux is too long, if it is not specified below, "Linux" refers to "GNU/Linux ".In this age, I am afraid no one needs to introduce what Linux is?

that are set on the hardware, which are read when the computer is started and compared to the actual hardware settings. If not, what the BIOS will affect the boot of the system. The third part of the BIOS feature is the boot program, which is what the BIOS

Someone can explain to me why Linux file system is a "single directory Hierarchical tree" structure, rather than having a c:d like Windows: Partitioning What, does this have any particular reason? (Small note: Apple Mac OS and Linux are branches of Unix, so the topic I just ... ╮(╯▽╰)╭) Doug O ' Neal 163 votes The Unix file system is daoxing much older than Wi

What to do with the lack of computer disk space, usually the Windows operating system uses virtual memory to dynamically manage the swap files at runtime. The solution is 1. Virus infected with the system files, resulting in insufficient space, it is recommended to use such as Kingsoft 2011 (free) Kaspersky (toll) and

of. On the phone, Ram refers to the mobile phone memory, belongs to the internal memory of the mobile phone, belongs to the random storage, the speed is higher than ROM, for the mobile phone configuration performance plays an important decisive, another power off, the data is emptied, such as mobile phone running QQ and other software, restart the phone, the software i