Learn the pros and cons of subqueries and joins in SQL, and how to decide when to use them in your database development projects. Sign in to view more content ...

For this example you create a view descriptor, VLIB.ALLEMP, based on SYBASE data. The outer PROC SQL query retrieves data from the view descriptor; the subquery uses a Pass-Through query to retrieve ...

Using simple SQL of esProc can ... A14: Multiple files associated query, querying order information of customers with a birth date less than 2000-01-01. A15: Multiple files associated query, and the ...

Abstract: The previous work studied such queries as simple query, compound query, multi-relational query, sub-query and etc, which solved fuzzy ... here through combinations of fuzzy theory and SQL ...