Everything about dbexam is so clear and transparent that i felt that i was working with my tuition teacher. The site has professional mock tests very similar to the actual Oracle Autonomous Database Cloud 2023 Professional certification exam. Be it the scoring system, syllabus, marking, time limit and even the questions with multiple choices are similar to the actual exam. This made me practice on the actual stuff rather than whims and fancies. This made me prepare for the 1Z0-931-23 Exam.