Being weak in these Displaying Data from Multiple Tables and Reporting Aggregated Data Using Group Functions topics was making me antsy. Earlier i thought only learning the 1Z0-071 syllabus would help but 1Z0-071 prepare tests were a real surprise, i must tell you. It made me smoothly pass the dreadful Oracle Database SQL certificate exam without any difficulties.
Certain topics required special attention
Oct 1 2020 - 03:57