Do alias table values ​​in large queries have a noticeable effect on performance?

Question

Are there alias table names in large queries that noticeably affect performance?
Distortion:

... ... FROM table_1 T1 ... ... ... 

Is it significantly different from different database systems?

Answer 1

There is a discussion of this issue already. In short, there is no significant performance impact caused by alias names.

Answer 2

No. Nothing.