Implementing MySQL Database Master-Slave Replication
This document provides a detailed introduction to how to configure Master-Slave Replication in MySQL database, accompanied by configuration steps and simple test cases. The key points summarized are as follows: ### Configuration Steps #### 1. Select servers as master and slave - Choose one MySQL server as the master and another as the slave. #### 2. Setup on the master server - First, add the following configurations to the master's `/etc/my.cnf` or `my.ini` configuration file:
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This content mainly introduces the basic SQL statements for creating, modifying, and deleting tables, as well as data querying, inserting, updating, and deleting. First, when creating a table, you need to define the data types and constraints of columns; for modifying a table, you can add or delete columns/constraints, or change the properties of columns; for deletion, you can directly use the `drop table` command and optionally cascade delete related dependencies. Query statements use the `select` keyword to retrieve data from specified tables and support grouping and sorting. In addition, various conditional expressions are also introduced, such as `like`, `insert into...value` (note: the original text may have an incomplete `insert into...value` statement, which has been retained as is).
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