'What does the old-style JOIN syntax mean in T-SQL?

I need to edit old-styled T-SQL code.

  • What does =* mean?

  • What does *= mean?

I think, that they are JOIN, but I don't know, what JOIN type is each of them.



Sources

This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.

Source: Stack Overflow

Solution Source