parameter file: all parameter files are usually under $ORACLE _home/dbsSqlplus query statement: show parameter spfile;Network connection files: $ORACLE the _home/dbs/network/admin directoryControl file: SELECT * from V$controlfile;Data files: typically recorded in oracledata/instancesSelect file_name from Dba_data_files;Log f
and unzip.
2. Archiving Files at the Shell PromptA tar file is a collection of several files and/or directories in one file. This is a good the to create backups and archives.Some of tar' s options include:
- C -create a new archive
- f -when used with the- C option, use the filename specified for the creation of the tar file; When used with the- x option,
Php reads zip files (delete files, extract files, and add files) instances. The following small series will show you several examples of php zip files. we can read the specified files in the zip package and delete the specified
Environment: WIN10 64-bit python3.7Single *.py file packagingPython GUI: program packaged as EXEFirst, install Pyinstaller, command pip install Pyinstaller, (uppercase P, knocking on the blackboard, to test)Second, packaging EXE steps:CMD enters the PY program project directory, executes the command: Pyinstaller-f-w--icon=xxx.ico main.py--noconsole. Where-F is the generation of a single EXE executable file, and-W represents the form program,--icon is to set the EXE's display icon, ' main.py ' is
Restore non-critical Oracle files, redo, temporary files, index files, and password files
The Application of Incremental backup is in the rediscovery stage and is no longer in the restore stage.
Learn about the database settings table:SQL> desc database_propertiesName Null? Type-----------------------------------------
[Python] python3 file operations: input files from the keyboard, open and close files, read and write files, rename and delete files, etc,1. Input from the keyboard
Python 2 has two built-in functions used to read data from standard input, which are by default from the keyboard. These two functions are: input () and ra
Extract files from zip files The code is as follows:Copy code /*Php extracts files from zip files*/$ Zip = new ZipArchive; If ($ zip-> open('jquery5-screen scroll corner code .zip ') === TRUE) {// The Chinese file name must use the ANSI-encoded file format$ Zip-> extracloud ('foldername'); // extrac
To open multiple files:1.vim has not started yet:Enter in terminalVim file1 file2 ... filen can open all the files you want to open2.vim has startedInput: Open FileA file can be opened again, and the contents of the file will be displayed in Vim at this time.: E.. /myfile.pl1. Vim Document name Open document in normal way2. Vim +n document name after opening the document, position the nth row3. Vim, after e
To open multiple files:1.vim has not started yet:Enter in terminalVim file1 file2 ... filen can open all the files you want to open2.vim has startedInput: Open FileA file can be opened again, and the contents of the file will be displayed in Vim at this time.
: E.. /myfile.pl
1. Vim Document name Open document in normal way2. Vim +n document name after opening the document, position the nth row3. Vim, after
What file is a GIF file?
GIF is divided into static GIF and animated GIF two kinds, is an image file with our psd,jpg is just the same as the storage algorithm.
What tool does the GIF file open?
GIF files do not need specific software to open, if we just see can be directly double-click the picture to preview, if we want to edit the picture need to use special tools such as Firwork,ps to deal with.
How do you make GIF
Note: Create Table test03, switch logs, create table test04, switch logs, delete all data files, restore all backup data files, and do not need to restore control files; the archive log of test03 is not lost, and the archive log of test04 is lost. test041 cannot be restored, and all control files of the database are lo
1. OBJ fileProgrammers write programs by writing a binary file. If we declare a variable char C, that is, the Declaration requires an 8-bit space, then we need to declare to the system that the 8-bit space is reserved. How can we do this? It is to compile a special binary file-OBJ file. The execution file obtained by using the C language compiled by GCC contains not only CPU commands, but also a lot of other information, it has many coff, elf ...... In the last compilation process, the linker LD
Introduce as few header files as possible in Class header files
Like C and C ++, Objective-C uses header files and implementation files to separate code. The standard method for compiling "class" in Objective-C language is to create two files by using the class name as the
In some cases, you need to relocate multiple Oracle data files and log files or migrate them to new partitions or locations, such as insufficient disk space or special requirements. In this case, you can migrate multiple data files or log files in batches. Of course, Backup recovery is also one of the methods. This doc
The next is the batch of the backup, added to the scheduled task, set the time to run automatically
Copy Code code as follows:
@echo off
REM Format Date
REM date is "2006-02-22 Wednesday" and cannot be used directly, so you should format it first.
REM becomes what we want. date:~0,4 means to intercept 4 characters starting from 0.
Set d=%date:~0,4%%date:~5,2%%date:~8,2%
REM Sets the compression program path, which is packaged with WinRAR Rar.exe.
Set Path=c:\program
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