Create a log file in Oracle
The syntax for creating a log file in Oracle is as follows:
Alter database database_name add logfile [group group_number]
(File_name [, file_name [,...]) [SIZE number] [reuse];The syntax is described as follows;Group group_number is the ID of the specified group in the log file.File_name creates a log
Create a centos image file that can be automatically installed [Copy link]
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Direct elevator1Building [add to Favorites (0)] [report]Posted on 23:45:01| View only the author | view in reverse order
To create an automatically installed centos image file, follow these steps:# Mkdir-
How to Create a storage pool and image using the Btrfs File System
If multiple hard disks are attached to your Linux system, you do not need to use these disks as separate storage, using the Btrfs file system, we can easily combine multiple disks to create a storage pool. After the storage pool is configured, we can al
How to create a video from a PDF file in Linux
I collected a large number of PDF files on my tablet, mainly Linux tutorials. Sometimes I am too lazy to watch it on a tablet. I think it would be better if I could create a video from a PDF and watch it on a large screen device, such as a TV or computer. Although I have some experience with FFMpeg, I don't know how
Concept: The file system is for storage devices.You need to specify the storage partition that this file system will apply to before you create the file system.Partition of the storage device can be completed via the FDISK commandFdisk/dev/sdaWarning:dos-compatible mode is deprecated. It ' s strongly recommended toSwit
requirements.TouchCreate File commandExample: Touch name creates a file named name in the current directoryTouch-t This option is used to modify the time to a specified time,Touch-a This option is used to modify the access time, if the plus-t option is modified to the specified access time. The time format is month and day hoursTouch-m This option to modify the modification time, plus the-t option, as desc
high memory usage and high CPU usage.In the hang mode, the dump file is crawled in a non-intrusive manner and does not interrupt the thread, so it is not necessary to have the same identity as the boot process, which is useful when the client is debugging the server with the Hang mode fetching dump file.
-crash
Fetch dump file When the process
How to create an unchangeable file in Linux
If you want to write protection for some important files in Linux, they cannot be deleted or tampered with into previous versions or other things, or in other cases, you may want to prevent some configuration files from being automatically modified by the software. UsechownAndchmodThe command to modify the File Ownershi
1 usingNpoi. HSSF. Usermodel;2 usingMicrosoft.VisualStudio.TestTools.UnitTesting;3 usingSystem.IO;4 namespaceNpoi. Sample15 {6 /// 7 ///Create an Excel file8 /// 9 [TestClass]Ten Public classCreateexcelfile One { A /// - ///use Npoi to create a standard Excel file - /// the [TestMethod] - Public voidCreateex
How to create a third-party database for Android software development and how to read a database from a file
Original by Yu Song MomoArticleIf you reprint it, please note: Reprinted to my independent domain name blogYusong Momo program Research Institute, Original address: http://www.xuanyusong.com/archives/199
I haven't updated my blog on the android development series for a long time. I don
label 29 outputformat format = outputformat. createprettyprint (); 30 // set the XML document encoding to utf-831 format. setencoding ("UTF-8"); 32 writer out; 33 try {34 // create an output stream object 35 out = new filewriter ("E: // XML // new. XML "); 36 // create a dom4j object to create XML 37 xmlwriter writer = new xmlwriter (Out, format ); 38 // call th
The first two articles briefly describe the method for parsing xml by using sax to implement the parsing function. The following uses sax to create an xml file. The first two articles briefly describe the method for parsing xml by using sax to implement the parsing function. The following uses sax to create an xml file
In the previous article, we roughly analyzed the structure and content of a list definition. A key file is schema. XML. We can see that this file is complex. When using the vs2010 template, vs2010 automatically creates this file for us. Sometimes, we may need to manually create or modify the schema. XML. Is there a way
In embedded learning, uboot transplantation, kernel cropping and transplantation, and file system creation.
Here we mainly use the busybox tool to create a file system and the mkyaffs2image tool to create a file system that can be downloaded to the Development Board as an i
Turbo C + + is a classic software, but it has already exited the history stage of programming. Nonetheless, some of its header files (such as conio.h/graphics.h) are not as practical as they are. recently I was doing a console snake game Small project, this small project will use the Conio.h header file, but in the addition of multi-file project encountered some trouble. After several setbacks, finally foun
Quickly create a custom file, right-click it, and run the command prompt menu as an administrator.
Most Windows users use the default file formats created by right-clicking. This may be inconvenient for people we love or have special requirements. For example, to create a file
The method echo gt; fileName used to create an empty file (0-byte size) in Linuxshell is one byte. After learning, it is found that the file that creates an empty file (0 byte size) has the following methods: 1. when the file does not exist, touchfile can
before I learn, I'm going to start with a couple of words. The philosophy of "all documents" is known in Linux If you are engaged in Linux programming can be very well understood this sentence to all files directory, character Device , block devices, sockets, printers, and other operationsRead and write can be fopen ()/fclose ()/fwrite ()/fread (), etc. function be processed. Shielding the hardware from the difference all devices are abstracted into files to provide a unified interface to the u
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