OracleStudy之案例--数据恢复神器Flashback（1）
Oracle Study之案例--数据恢复神器Flashback（1） Flashback： Flashback 技术是以Undo segment中的内容为基础的， 因此受限于UNDO_RETENTON参数。要使用flashback 的特性，必须启用自动撤销管理表空间。 在Oracle 11g里又出了一个新特性：Oracle Flashback
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What to do if the Windows 7 system registry file is lost or damaged
Jul 08, 2023 pm 05:29 PM
Windows 7 users encounter the phenomenon that the system registry file is missing or damaged when starting up. How to solve this situation? You first force restart the computer, then press the F8 key, select safe mode in the opened page, then find the command prompt in the menu bar to open, enter the SFC/SCANNOW command and press Enter, then the system will automatically start the computer Repair missing or corrupted installation files. What to do if the Windows 7 system registry file is lost or damaged 1. After the first power-on self-test, immediately hold down the F8 key, use the arrow keys to select safe mode, and hit Enter. 2. Then click the Start button, select Command Prompt, and run as an administrator. 3. Finally, enter SFC/ in the pop-up prompt.
Solution to PHP parameter missing problem
Mar 11, 2024 am 09:27 AM
Solution to the problem of PHP parameter loss In the process of developing PHP programs, we often encounter the problem of parameter loss. This may be caused by incomplete parameters passed by the front end or incorrect way of receiving parameters by the back end. In this article, we will provide some solutions to the problem of missing parameters in PHP, along with specific code examples. 1. Front-end parameter passing problem Use the GET method to pass parameters. When using the GET method to pass parameters, the parameters will be appended to the requested URL in the form of URL parameters. When receiving parameters in the backend
How to recover diskgenius data-diskgenius data recovery tutorial
Mar 06, 2024 am 09:34 AM
Many friends don’t know how to recover diskgenius data, so the editor will share the relevant tutorials on diskgenius data recovery. Let’s take a look. I believe it will be helpful to everyone. First, in the hard disk partition diagram above the main interface of DiskGenius, you can directly select the target partition and right-click. Then, in the shortcut menu that pops up, find and click the "Deleted or formatted file recovery" menu item, as shown in the figure. In the second step, the recovery options window pops up and make sure to check the three options of "Recover Deleted Files", "Complete Recovery" and "Extra Scan for Known File Types". Step 3: Click the "Select File Type" button on the right and specify the files you need to recover in the pop-up window
How to use middleware for data recovery in Laravel
Nov 02, 2023 pm 02:12 PM
Laravel is a popular PHP web application framework that provides many fast and easy ways to build efficient, secure and scalable web applications. When developing Laravel applications, we often need to consider the issue of data recovery, that is, how to recover data and ensure the normal operation of the application in the event of data loss or damage. In this article, we will introduce how to use Laravel middleware to implement data recovery functions and provide specific code examples. 1. What is Lara?
How to quickly recover from failures and errors encountered by MySQL database?
Sep 10, 2023 pm 03:45 PM
How to quickly recover from failures and errors encountered by MySQL database? MySQL is a widely used open source relational database management system that many applications and websites rely on to store and manage data. However, database failures and errors are inevitable, which may result in data loss or application failure to function properly. When encountering a MySQL database failure or error, it is very important to recover the database quickly and effectively. This article will introduce some methods to quickly restore MySQL database. Determine the type of fault and error before starting
ThinkPHP6 data backup and recovery: ensuring data security
Aug 13, 2023 am 08:28 AM
ThinkPHP6 data backup and recovery: ensuring data security With the rapid development of the Internet, data has become an extremely important asset. Therefore, the security of data is of great concern. In web application development, data backup and recovery are an important part of ensuring data security. In this article, we will introduce how to use the ThinkPHP6 framework for data backup and recovery to ensure data security. 1. Data backup Data backup refers to copying or storing the data in the database in some way. This way even if the data
How to deal with hard drive sector corruption issues
Feb 19, 2024 am 11:03 AM
How to solve a broken hard disk sector? A broken hard disk sector is a common hardware failure, which may cause data loss and affect computer performance. It is very important to understand and solve the problem of bad hard drive sectors. This article will introduce the concept of hard disk sectors, discuss common causes of bad hard disk sectors and solutions. 1. What are hard disk sectors? Before introducing how to solve the problem of bad hard disk sectors, let’s first understand what hard disk sectors are. A hard disk sector is the smallest readable and writable unit on a hard drive. It is a small section of space on a hard drive. It is
Solution to Linux system file damage and loss
Jun 30, 2023 am 09:29 AM
Title: How to deal with file damage and loss in Linux systems Introduction: In the process of using Linux systems, file damage and loss are a problem that cannot be ignored. Due to various reasons, we may face file loss, file corruption or inability to access files. Fortunately, however, Linux systems provide some practical tools and techniques to help us effectively deal with file corruption and loss problems. This article will introduce some common solutions and techniques. 1. Backup Data Backup is the most important thing to deal with file corruption and
