Does MySQL keep track of changes?
MySQL binary logs provide a very efficient way to track data changes for MySQL CDC. They contain events that describe the modifications to data. In short, binary logs contain all the information that is required to trace the global status of the server right from the time it was started.
How do you track data changes in a database table?
At the basic database level you can track changes by having a separate table that gets an entry added to it via triggers on INSERT/UPDATE/DELETE statements. Thats the general way of tracking changes to a database table. The other thing you want is to know which user made the change.
What is log file in MySQL?
MySQL Server has several logs that can help you find out what activity is taking place. By default, the server writes files for all enabled logs in the data directory. You can force the server to close and reopen the log files (or in some cases switch to a new log file) by flushing the logs.
Is there an MySQL option to track history of changes?
This table will have an entry for each insert, update, and delete query performed on each row in the data table.
How to track customer status in MySQL database?
You set the “CUSTOMER_USER” status to the login ID of the current user (if you need to keep that). If the customer needs to be deleted, you use the CUSTOMER_STATUS flag to indicate this – you may never delete records from this table. That way, you can always find what the status of the customer table was for a given date – what was the address?
How to track the history of a query?
First, create a history table for each data table you want to track (example query below). This table will have an entry for each insert, update, and delete query performed on each row in the data table.
How to track the history of changes in a column?
To display the changes for a given column or columns from update to update, you’ll need to join the history table to itself on the primary key and sequence columns. You could create a view for this purpose, for example: My implementation of it is still humming along, getting bigger and more unwieldy, I would assume.