O'Reilly logo
  • Dustin Waybright thinks this is interesting:

Also note that in addition to supporting the syntax for cross joins with the CROSS JOIN keywords, both standard SQL and T-SQL support an older syntax where you specify a comma between the table names, as in FROM T1, T2.


Cover of Training Kit (Exam 70-461): Querying Microsoft® SQL Server® 2012


Old type of CROSS JOIN using a comma.