mysql版本
[shengting@login ~]$ mysql -V mysql Ver 14.7 Distrib 4.1.10a, for redhat-linux-gnu (i686) 2:在mysql中:mysql status; 以下是代码片段: mysql status; -------------- mysql Ver 14.7 Distrib 4.1.10a, for redhat-linux-gnu (i686) Connection id:
[shengting@login ~]$ mysql -V
mysql Ver 14.7 Distrib 4.1.10a, for redhat-linux-gnu (i686)
2:在mysql中:mysql> status;
以下是代码片段:
mysql> status;
--------------
mysql Ver 14.7 Distrib 4.1.10a, for redhat-linux-gnu (i686)
Connection id: 416
SSL: Not in use
Current pager: stdout
Using outfile: ''
Using delimiter: ;
Server version: 3.23.56-log
Protocol version: 10
Connection: Localhost via UNIX socket
Client characterset: latin1
Server characterset: latin1
UNIX socket: /tmp/mysql_3311.sock
Uptime: 62 days 21 hours 21 min 57 sec
Threads: 1 Questions: 584402560 Slow queries: 424 Opens: 59664208 Flush tables: 1 Open tables: 64 Queries per second avg: 107.551
3:在help里面查找
以下是代码片段:
[shengting@login ~]$ mysql --help | grep Distrib
mysql Ver 14.7 Distrib 4.1.10a, for redhat-linux-gnu (i686)
4:使用mysql的函数
以下是代码片段:
mysql> select version();
+-------------+
| version() |
+-------------+
| 3.23.56-log |
+-------------+
1 row in set (0.00 sec)

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics

Big data structure processing skills: Chunking: Break down the data set and process it in chunks to reduce memory consumption. Generator: Generate data items one by one without loading the entire data set, suitable for unlimited data sets. Streaming: Read files or query results line by line, suitable for large files or remote data. External storage: For very large data sets, store the data in a database or NoSQL.

Backing up and restoring a MySQL database in PHP can be achieved by following these steps: Back up the database: Use the mysqldump command to dump the database into a SQL file. Restore database: Use the mysql command to restore the database from SQL files.

MySQL query performance can be optimized by building indexes that reduce lookup time from linear complexity to logarithmic complexity. Use PreparedStatements to prevent SQL injection and improve query performance. Limit query results and reduce the amount of data processed by the server. Optimize join queries, including using appropriate join types, creating indexes, and considering using subqueries. Analyze queries to identify bottlenecks; use caching to reduce database load; optimize PHP code to minimize overhead.

How to insert data into MySQL table? Connect to the database: Use mysqli to establish a connection to the database. Prepare the SQL query: Write an INSERT statement to specify the columns and values to be inserted. Execute query: Use the query() method to execute the insertion query. If successful, a confirmation message will be output.

Creating a MySQL table using PHP requires the following steps: Connect to the database. Create the database if it does not exist. Select a database. Create table. Execute the query. Close the connection.

To use MySQL stored procedures in PHP: Use PDO or the MySQLi extension to connect to a MySQL database. Prepare the statement to call the stored procedure. Execute the stored procedure. Process the result set (if the stored procedure returns results). Close the database connection.

One of the major changes introduced in MySQL 8.4 (the latest LTS release as of 2024) is that the "MySQL Native Password" plugin is no longer enabled by default. Further, MySQL 9.0 removes this plugin completely. This change affects PHP and other app

Many users are considering upgrading to the Windows 10 operating system. As Microsoft announced that it will no longer provide security updates and technical support for Windows 7. However, a considerable number of users still choose to stick to the Win7 system and look for office software suitable for this system. To help users improve office efficiency, this article will introduce several Office versions that are most suitable for Win7 systems. 1.Office2010: the perfect combination of stability and compatibility 2.Office2013: interface optimization and practical function upgrades 3.Office2016: new features of cross-platform collaboration and cloud storage 4.OfficeOnline: lightweight, free, online office anytime and anywhere 5 .WPSOffice:
