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Mysql historical query
If you want to view the data collected by 485 interface and store it in the database, you can use various data storage software, such as MySQL, Microsoft SQL Server, PostgreSQL, etc. In these softwares, you can create database tables to store the collected data and use appropriate tools to import the data into the tables.

To view historical data, you can use SQL query statements to retrieve data from database tables. These query statements can retrieve data from a specific date, time range or any other available parameters and display it in the result set. If you need more advanced functions, such as data visualization, customized reports and early warning, you can consider using professional data management software or tools, such as Tableau, Power BI and Grafana, which can help you manage, analyze and view historical data more conveniently.