如何从另一个数据库中的表中选择特定行时，如何重定向到另一个数据库及其表

kind people! I have a question about the database. There are several databases, in each of them there are several tables. And there is a main database, in which there is only one table containing information about these databases and tables. The question is: how to make so that when you select specific information from the table in the main database it automatically forwards you to another database outputting its tables? Sorry for asking this kind of bit tricky question, i have been googling all day and still cannot find solution. i have tried by my own.. but no results.kind people! I have a question about the databa