Questions tagged as 'jdbc'

I was making some improvements to my small system and I get the doubt because I've always been concatenated to data in the where and not after the select, since now the question is to concatenate the selected table (db) and the pk (dni) entered....

My problem is this, I have a BD and a Java application, we forgot the BD, let's focus on the App, I created a connection to a database that SI works, very all right. Now I propose to create a method in JAVA that returns an integer, the probl...