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The way to archive is to store data in ciphertext, or in binary storage. Archived properties and methods: Nskeyedarchiverfoundation_export NSString * Const nsinvalidarchiveoperationexception; Foundation_export NSString * Const nsinvalidunarchiveoperationexception; The above two constants are used to handle exceptions, and one is used when archiving an archive. Sfoundation_export NSString * Const Nskeyedarch

Switch between the archive mode and non-archive mode in Oracle. 1. Check whether oracle is in archive mode in arichiveloglist. Switch the Oracle archive mode to non-archive Mode 1. Check whether oracle is in archive mode arichive

To change the non-archive mode of the Oracle database, you need to restart the database and modify it in mount mode. Step 1 closes the database in shutdownimmediate mode and Step 2 starts the database. To change the non-archive mode of the Oracle database, you need to restart the database and modify it in mount mode. Step 1 closes the database in shutdown immediate Mode and Step 2 starts the database.

11g RAC change archive mode ASM This experiment has two nodes: tip01 and tip02.Oracle_sid: tips1, tips2 1. Run the command on node 1 tip01.[[Email protected] ~] # Su-grid[[Email protected] ~] $ Sqlplus/As sysasm SQL> select name from V $ asm_diskgroup; Name------------------------------DataOCR SQL> alter diskgroup data add directory '+ Data/arc1 '; Diskgroup altered. 2. Run the command on node 1 tip02.[[Email protected] ~] # Su-grid[[Email protected]

Simple objects such as nsstring,nsnumber,nsarray,nsdictionary can be conveniently stored in local sandbox files, and complex objects, such as properties and methods, require the use of archive anti-archiving methods (serialization and deserialization). stored in a nsdata manner.Archive anti-archiving, the main sequence of operations is: encoding (enCoding), archive (archiver), decode (decoding), Reverse

What is Game archive Game archive refers to the game is saved when the file, recorded the game progress and a variety of data (scores or coins, etc.), generally only the game to open it. Through the game archive, you can back up and restore the game's various data. Some archives bind device information and cannot be generic. In iOS devices such as the iphone

Resolution: The Archive mode is very important in the real production environment of Oracle. you can use archive mode for hot backup, and then quickly recover data and save the database when there is a problem with the database. However, when you build a database, you can find that the database is not archived. in this case, you need to archive the database. The

Parameters--whole-archive and--no-whole-archive in GCC and LDFirst--whole-archive and--no-whole-archive are LD proprietary command-line parameters, GCC does not know, to pass through the GCC to LD, need to precede them with-WL, string.--whole-archive can output the functions

Refer to these two blog posts:Http://stackoverflow.com/questions/805555/ld-linker-question-the-whole-archive-optionhttp://codemacro.com/2014/09/15/inside-static-library/These four are all linker options, so use-wl,[options] at compile time to pass to the linker, otherwise the compiler will not recognize this option.The--whole-archive option solves problems that are commonly encountered in compilation. The l

1. Change the archive path In oracle10g, the default archive path is $oracle_base/flash_recovery_area. For this path,Oracle has a limitation that only 2G of space is available to the archive log by default, and you can use the following two SQL statements to view its limitations1. Select * from V$recovery_file_dest; SQL >show parameter db_recovery_file_dest (this

To change the non-archive mode of an Oracle database, you must restart the database and modify it in mount mode. 1. Shut down the database in shutdown immediate Mode 2. Start the instance to the mount status. 3. Change the non-running mode and open the database Procedure: 1. log on to the database to view the archiving status of the database. SQL> archive log list; Database log mode

Archive mode is very important in the real production environment of Oracle. You can use archive mode for hot backup, and then quickly recover data when a database problem occurs, saving the database. But sometimes the database is built, and it is found that the database is not archived. In this case, we need to change it to archive. How should we change it. In

I looked back today. Archive and archive, there is a common archive and the solution to the archive, the better way is runtimer. Here I am not talking about archiving and archiving, but a lot of documents appear in a problem, I hope to bring you help, do not say nonsense, on the code.1: The Wrong codeNSString *filepath

--Connection Recovery Manager C:\Documents and Settings\mengzhaoliang>rman target/ --Archive Log list rman> list Archivelog all; --Delete archive logs that do not exist for physical files rman> Delete expired Archivelog all; --Delete the archive log 7 days ago Rman> DELETE Archivelog all COMPLETED before ' SYSDATE-7 '; Oracle's Archiving model One. To see

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About archiving is a way of storing data in the Shu ' J data store in iOS. Let's look at an example in the archive:The following is the parent class Person#import Subclass Student inherits the Person class: #import The following is an archive of data in the Viewcontroller with two buttons#import "ViewController.h" #import "Person.h" #import "Student.h" @interface Viewcontroller ()//two buttons that were saved and retrieved by the chamber-( ibaction) S

IOS uses objc/runtime and KVC to quickly archive and archive files and objckvc Sometimes some lightweight data needs to be stored during the development process. For several data storage methods provided by IOS, it is most suitable for object Archiving: NSCoding However, two methods are required to archive and archive

Change the Oracle archive path and archive mode in oracle10g and 11g versions, the Oracle default log archive path is the Flashback recovery area ($ORACLE _base/flash_recovery_area). For this path, Oracle has a limitation, that is, the default is only 2G of space, and not just the default path of the archive log, but

How to solve the problem of migrating from non-archive mode to archive mode in Oracle Database I found several problems during the oracle archive test today. I will record them here for your suggestions and help. [oracle@localhost ~]$ sqlplus / as sysdbaSQL*Plus: Release 11.2.0.1.0 Production on Fri Dec 19 17:34:42 2014Copyright (c) 1982, 2009, Oracle. All righ

Check items before deleting oracle archive logs, oracle Archive This article is an original article, Reprinted please indicate the source Http://blog.csdn.net/msdnchina/article/details/41413313 To delete archived logs, you must confirm the following in advance:1. Whether it is a dg Environment: if it is a dg Environment, check whether the archived logs have been applied to the slave database. 2. Whethe