MYSQL错误提示对照表
1016错误:文件无法打开,使用后台修复或者使用phpmyadmin进行修复。 1044错误:数据库用户权限不足,请联系空间商解决 1045错误:数据库服务器/数据库用户名/数据库名/数据库密码错误,请联系空间商检查帐户。 1054错误:程序文件跟数据库有冲突,请使用正
1016错误:文件无法打开,使用后台修复或者使用phpmyadmin进行修复。
1044错误:数据库用户权限不足,请联系空间商解决
1045错误:数据库服务器/数据库用户名/数据库名/数据库密码错误,请联系空间商检查帐户。
1054错误:程序文件跟数据库有冲突,请使用正确的程序文件上传上去覆盖。
1146错误:数据表缺失,请恢复备份数据.
2002错误:服务器端口不对,,请咨询空间商正确的端口。
2003错误:mysql服务没有启动,请启动该服务
1005:创建表失败
1006:创建数据库失败
1007:数据库已存在,创建数据库失败
1008:数据库不存在,删除数据库失败
1009:不能删除数据库文件导致删除数据库失败
1010:不能删除数据目录导致删除数据库失败
1011:删除数据库文件失败
1012:不能读取系统表中的记录
1020:记录已被其他用户修改
1021:硬盘剩余空间不足,请加大硬盘可用空间
1022:关键字重复,更改记录失败
1023:关闭时发生错误
1024:读文件错误
1025:更改名字时发生错误
1026:写文件错误
1032:记录不存在
1036:数据表是只读的,不能对它进行修改
1037:系统内存不足,请重启数据库或重启服务器
1038:用于排序的内存不足,请增大排序缓冲区
1040:已到达数据库的最大连接数,请加大数据库可用连接数
1041:系统内存不足
1042:无效的主机名
1043:无效连接
1044:当前用户没有访问数据库的权限
1045:不能连接数据库,用户名或密码错误
1048:字段不能为空
1049:数据库不存在
1050:数据表已存在
1051:数据表不存在
1054:字段不存在
1065:无效的SQL语句,SQL语句为空
1081:不能建立Socket连接
1114:数据表已满,不能容纳任何记录
1116:打开的数据表太多
1129:数据库出现异常,请重启数据库
1130:连接数据库失败,没有连接数据库的权限
1133:数据库用户不存在
1141:当前用户无权访问数据库
1142:当前用户无权访问数据表
1143:当前用户无权访问数据表中的字段
1146:数据表不存在
1147:未定义用户对数据表的访问权限
1149:SQL语句语法错误
1158:网络错误,出现读错误,请检查网络连接状况
1159:网络错误,读超时,请检查网络连接状况
1160:网络错误,出现写错误,请检查网络连接状况
1161:网络错误,写超时,请检查网络连接状况
1062:字段值重复,入库失败
1169:字段值重复,更新记录失败
1177:打开数据表失败
1180:提交事务失败
1181:回滚事务失败
1203:当前用户和数据库建立的连接已到达数据库的最大连接数,请增大可用的数据库连接数或重启数据库
1205:加锁超时
1211:当前用户没有创建用户的权限
1216:外键约束检查失败,更新子表记录失败
1217:外键约束检查失败,删除或修改主表记录失败
1226:当前用户使用的资源已超过所允许的资源,请重启数据库或重启服务器
1227:权限不足,您无权进行此操作
1235:MySQL版本过低,不具有本功能

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Table of Contents Solution 1 Solution 21. Delete the temporary files of Windows update 2. Repair damaged system files 3. View and modify registry entries 4. Turn off the network card IPv6 5. Run the WindowsUpdateTroubleshooter tool to repair 6. Turn off the firewall and other related anti-virus software. 7. Close the WidowsUpdate service. Solution 3 Solution 4 "0x8024401c" error occurs during Windows update on Huawei computers Symptom Problem Cause Solution Still not solved? Recently, the web server needs to be updated due to system vulnerabilities. After logging in to the server, the update prompts error code 0x8024401c. Solution 1

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.

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.

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.

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
