Article Introduction：Methods to view operation history: 1. Use Oracle's built-in audit function to record various operations that occur in the database, including logins, DDL statements, DML statements, etc.; 2. Use Oracle log files, which contain operations that occur in the database. For various operations, you can obtain the operation history by viewing log files; 3. Use Oracle's Flashback function to view the operation history of the database at a certain point in time; 4. Use third-party tools, etc.

2023-09-19 comment 0  8473

Article Introduction：Strategies for monitoring and logging Java functions: Monitoring: Using the CloudMonitoring API: Provides visibility into performance and metrics. Send custom metric data points and time series. Logging: Use Stackdriver Logging: Log events for debugging and troubleshooting. Using CloudLoggingAPI: Send and receive log entries. Through StackdriverLogging: direct recording, providing convenient log statements and configuration.

2024-04-24 comment 0  858

Article Introduction：Oracle file types include: Data File (DBF): Stores data and indexes. Redo log files (RDO): Records database changes to ensure integrity. Control file (CTL): Stores database structure and file information. Parameter file (PFL): Stores startup instance configuration. Server Parameter File (SPF): Stores start/stop server instance configuration. Trace File (TRC): Records activities and events for diagnostic purposes. Dump file (DMP): Contains memory and stack trace information at the time of the crash. Backup File (BKF): A backup used to recover lost data.

2024-04-19 comment 0  759

Article Introduction：The configuration of PHP logging and monitoring is critical to application stability. Using Monolog to record events, Sentry to analyze errors, and Prometheus to monitor metric data allows developers to quickly diagnose problems and improve application performance.

2024-05-01 comment 0  728

Article Introduction：Install a source website on WordPress by following these steps: Prepare WordPress source package, hosting space, and FTP client. Upload and unzip the WordPress source code, excluding the wp-content folder. Create a database and record its information. Visit the installation URL and fill in the database and website information. Install and activate themes and plugins. Configure website settings, create pages and posts. Consider enabling an SSL certificate for enhanced security (optional).

2024-04-16 comment 0  583

Article Introduction：The pythonLogging module is a powerful tool for application logging, helping developers easily record events, errors, and information in their applications. By writing logging information to a file or console, the Logging module can provide valuable insights into application behavior, thereby improving application robustness and maintainability. Configuring logging The logging module needs to be configured through the logging.basicConfig() function. This function accepts the following parameters: filename: log file path level: logging level (such as DEBUG, INFO, WARNING) format: log recording information format datefmt: timestamp format

2024-02-21 comment 0  1179

Article Introduction：Python's logging module is a powerful tool that helps you log events and messages in your applications. It provides a unified interface to configure and manage logging, allowing you to easily handle logging tasks. This article will delve into the logging module, solve common knowledge points, and provide practical examples. Configuring Logging In order to enable logging, you must first configure a logger. This can be done through the logging.basicConfig() function. Here's how to configure a basic logger: importlogging#Configure logging logging.basicConfig(level=logging.IN

2024-03-08 comment 0  621

Article Introduction：Navicat cannot be restored directly after closing the window, but there are ways to solve it: reopen the recently modified database or query from the history bar. Restore a backed up database or query from a backup. Re-create the window and reconfigure the open file.

2024-04-24 comment 0  865

Article Introduction：Reasons for discuz communication failure: 1. Server problem, which may be caused by incorrect server configuration or server failure; 2. Network problem, ensure that your server can access the external network and does not have any network restrictions; 3. Database problem, The database configuration is incorrect or there is a problem with the database; 4. File permissions problem, the file permissions configuration is incorrect; 5. Plug-in or theme problem, an incompatible plug-in or theme is installed; 6. Logs and error reports, you can check these logs to find Any error or warning information related to communication failure, etc.

2023-08-08 comment 0  1323

Article Introduction：When the Laravel Redis queue loses data, you should first check the queue configuration, Redis server operation, and queue name correctness. For failed tasks, you can configure retry behavior and use idempotent tasks. Listen to queue events, log failed tasks and attempt to requeue in the JobFailed event. Additionally, checking log files, manually checking the queue, trying to recover queue data, or disabling/enabling queue connections can also help with troubleshooting.

2024-04-09 comment 0  1063

Article Introduction：According to news from this website on December 25, Mingfan Mini Workstation MS-01 is on sale today. It can be equipped with three Core processors, including the highest configuration Core i9-13900H processor. Mingfan MS-01 is available in Intel Core i9-13900H, i9-12900H, and i5-12450H processor versions; it provides 3 M.2 NVMESSD slots and 1 U.2 NVME hard drive expansion slot (note on this site: with 2280 hard drive shared location); equipped with two notebook memory slots, supporting a maximum capacity of 64GB. In addition, MS-01 also supports Raid0 and Raid1 functions. Users can configure striping or mirroring of data storage as needed to provide higher data performance or redundant backup.

2024-01-03 comment 0  785

Article Introduction：In modern Internet applications, databases and logging have become two essential components of each application system. In PHP applications, how to integrate database and logging to make the application more stable and efficient is a skill that every PHP developer must master. 1. Database application scenarios In PHP, databases are widely used in various scenarios, such as: storing system configuration information. In PHP applications, system configuration information is usually saved in the database to facilitate management and modification. These configuration information

2023-05-16 comment 0  1252

Article Introduction：借助SQL Server自带的发送邮件的功能，可以为我们一些日常的工作带来一定的便利性。比如，收集SQL Server代理作业的失败记录，当数据库发生死锁时即时通知相关DBA等，都可以使用数据库邮件来实现mail通知的需求。下面将介绍SQL Server数据库邮件的配置、测试

2016-06-07 comment 0  1637

Article Introduction：Common PHP interface types include extensible markup language interface, database interface, image processing interface, file processing interface, HTTP request interface, etc. Detailed introduction: 1. Extensible markup language interface, through the DOM interface, you can easily traverse the nodes of the XML document, and add, delete, modify and query them; 2. Database interface, through the PDO interface, you can perform SQL queries, inserts, and updates. and deletion operations, and can also process transactions and prepared statements; 3. Image processing interface, etc.

2023-08-15 comment 0  1813

Article Introduction：MySQL is a popular database management system that is open source software and used by many web developers to store and manage data. When you use MySQL, you need to set a password in the operating system to protect your database. But what if you forget your MySQL password? In this article, we will introduce several methods to view MySQL passwords. Method 1: Check the MySQL password through the configuration file. In the Linux system, the MySQL configuration file is located at /etc/mysql/my.cnf. you can use it

2023-04-21 comment 0  72102

Article Introduction：Database suspicion repair methods include determining the cause of database suspicion, stopping database services, exporting data, using backups for recovery, using recovery tools, performing transaction log recovery, repairing database files, rebuilding indexes and constraints, testing the repaired database, monitoring and recording wait. Detailed introduction: 1. To determine the reason for database doubt, you first need to determine the reason for database doubt, such as virus infection, hardware failure, software failure, etc. After understanding the cause, you can formulate a targeted repair plan; 2. Stop the database service and repair it. Before the damaged database and so on.

2023-10-30 comment 0  1987

Article Introduction：Steps to recover deleted data in Oracle: Check the Recycle Bin: Check whether the Recycle Bin contains deleted data. Rollback operation: Applicable only to transactional databases, delete operations can be undone. Recovery table area: Used in non-transaction mode or when the recycle bin is not enabled, but only in the case of data corruption or table area damage. Flashback table operation: Create a snapshot of a table at a specific point in time in the past, and retrieve deleted data from the snapshot. Use log file recovery: Use when all else fails and you need to manually record the log file location and identify the transactions to be recovered.

2024-04-18 comment 0  1105

Article Introduction：In Java functions, factors should be considered when choosing the most appropriate logging framework: Performance: For functions that handle a large number of log events Flexibility: Provides flexible configuration options Scalability: Easily expands as the function grows Community support: Technical support and Latest development information

2024-05-04 comment 0  517

Article Introduction：The reasons for the failure of scheduled release of Imperial CMS may be: 1. Server time configuration error; 2. Scheduled release setting error; 3. Insufficient system permissions; 4. Insufficient system resources; 5. Server firewall blocking; 6. Third-party plug-in conflicts; 7. Database problem.

2024-04-16 comment 0  943

Article Introduction：The MySQL slow query log provides query information that exceeds the specified time threshold, providing a main reference for performance optimization. It is a very practical function. The MySQL slow query log is very simple to open and configure. You can specify the recorded file (or table ), exceeding the time threshold, etc. can record slow sql. To be honest, compared with the trace or extended events of sqlserver (although the functions of these two are not only that), the configuration of MySQL always gives people a very refreshing feeling. Feel. 1. Opening the slow query log

2017-09-30 comment 0  1252