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Note: This example uses a Version 6 view descriptor with the Pass-Through Facility to access DBMS data. Beginning in Version 7, you can associate a libref directly with your DBMS data and use the ...
* Yazdığımız QUERY'lerde SELECT satırında field isimleri kullanıyoruz. Eğer SELECT satırında bir SUBQUERY yazılırsa, sonuç olarak tek bir kayıt değil bir field döndürür. * SELECT satirinda SUBQUERY ...
When writing complex aggregations in SQL, you will encounter situations where you want to further process data that has already been aggregated. There are two ways to do this: subqueries and CTEs ...