This week's book giveaway is in the OCAJP forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide 1Z0-808 and have Jeanne Boyarsky & Scott Selikoff on-line! See this thread for details.
I undersatnd that JCA simplifies the way in which App servers access diffrent RDBMS or EIS system. As an Application developer how does JCA help me,should i use it or getting connction using Datasources and JDBC drivers enough.