MySQL报错：master and slave have equal MySQL server UUIDs

How to solve MySQL error: Duplicate primary key records, specific code examples are needed. When using MySQL database, we often encounter the problem of duplicate primary key records. When we insert a new piece of data into the database, if the primary key value of the data is the same as the primary key value of an existing record, a duplicate primary key record error will occur. The prompt for this error is usually "Duplicatetryforkey'PRIMARY'". So, how to solve this problem? This article will provide several solutions

How to solve the MySQL error: The child row has foreign key constraints, specific code examples are needed. When using the MySQL database, we may encounter the error "Cannotaddorupdateachildrow:aforeignkeyconstraintfails". This error usually indicates a foreign key constraint problem when inserting or updating data. This article explains how to solve this problem and provides specific code examples. First, let's deal with

Table'table_name'alreadyexists-How to solve MySQL error: The table already exists, specific code examples are needed. Introduction: During the development and management process of using MySQL database, you often encounter errors that the table already exists. This error usually occurs when creating a table repeatedly or when importing an existing table structure. This article will introduce how to solve the problem of MySQL error: table already exists, and provide specific code examples. 1. What is MySQL error: Table has been

Can'tconnecttolocalMySQLserverthroughsocket'socket_name'(2)-How to solve MySQL error: Unable to connect to the local MySQL server through socket (2), specific code examples are needed When developing and managing MySQL databases, sometimes we encounter some problems, One of the common problems is the inability to connect to the local MySQL server via socket. when we taste

How to solve MySQL error: The data exceeds the field length, specific code examples are needed. During the development process of using MySQL database, we often encounter the problem that the data exceeds the field length. When we insert or update data, if the length of the data exceeds the defined length of the field, MySQL will report an error and prevent the data insertion or update operation. The common prompt message for this kind of error is: Datatoolongforcolumn'column_name'. it tells us a certain field

How to solve the MySQL error: Duplicate records in unique key constraints, specific code examples are needed. When using the MySQL database, we often encounter an error, that is, the error: "Duplicateentry'value'forkey'unique_key_constraint'". This error is usually caused by a unique key constraint being violated when inserting or updating data, resulting in duplicate records in the database. Unique key constraints can ensure that a certain field in the database

Unknowncolumn'column_name'in'table_name'-How to solve MySQL error: Unknown column name in table, specific code example is needed. When using MySQL database, sometimes you will encounter such error message: Unknowncolumn'column_name'in'table_name'(table Unknown column name in ). This error is usually caused by the specified column name not existing in the table. In this article

Title: How to solve MySQL error: Unknown column type in column, specific code example is required Introduction: Database plays an important role in the application development process, and MySQL, as one of the commonly used relational database management systems, is widely used In various web applications and enterprise-level systems. However, in the process of using MySQL to create tables, you sometimes encounter error messages. One of the common errors is "Unknowncolumntype'column_type'in