I'm doing a package tracking feature for the website of a delivery service out here. I'm trying to perform an inner join based on the success of an if statement in my sql query.

inner join calendar_t cal on cal.week_id = wh.week_period inner join fiscal_year_t fy on fy.fiscal_year_id = wh.fiscal_year_id and fy.fiscal_year = cal.fiscal_year ...

alias specifies an alias for table-name. sql-expression is described in sql-expression. table-name can be one of the following: the name of a PROC SQL table. the name of a SAS data view. a ...