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Master Oracle12c from our Oracle12c tutors, mentors, and teachers who will personalize a study plan to help you refine your Oracle12c skills. Find the perfect Oracle12c tutor now.

Master Oracle12c from our Oracle12c tutors, mentors, and teachers who will personalize a study plan to help you refine your Oracle12c skills. Find the perfect Oracle12c tutor now.






Oracle12c tutor
Over 12 years of experience in database development and over 7 years as an Oracle PL/SQL Developer in Analysis, Design, and Implementation of Business Applications using the Oracle (RDBMS). Over 4 years in Java. Involved in all phases of the SDLC from analysis, design, development, testing, implementation, and maintenance. I took key roles in development and support the life cycle of projects for many big companies. * Expertise in Client-Server application development using Oracle 10/11/12, PL/SQL, SQL, JAVA * Effectively made use of Table Indexes, Table Partitioning, Collections, Analytical functions. * Strong experience in Data warehouse concepts, ETL(Extract, Transform, Load). * Developed Complex database objects like Stored Procedures, Functions, Packages, and Triggers using SQL and PL/SQL. * Experience in Oracle supplied packages, Dynamic SQL, Records, and PL/SQL Tables. * Partitioned large Tables using range partition technique. * Experience with Oracle Supplied Packages such as DBMS_%. * Worked extensively on Ref Cursor, External Tables, and Collections. * Excellent knowledge of key Oracle performance related features such as Query Optimizer, Execution Plans, and Indexes. * Experience with Performance Tuning for Oracle RDBMS using Explain Plan and HINTS. I'm a Certified Technical Interviewer and conducted many interviews. I can prepare you to pass successfully the technical interview. I’m more than happy to help you!
Oracle12c tutor
Oracle12c tutor
Carrying a decade of cross-industry experience, I seek to leverage my skills in software development to build robust and efficient tools that accelerate people to reach progressively greater goals.
Find your personal Oracle12c tutor on Codementor today ![]()
See the power of our Oracle12c tutors through glowing user reviews that showcase their successful Oracle12c learning journeys. Don't miss out on top-notch Oracle12c training.
“I’ve been working with Jessamyn for over five years, and she’s absolutely incredible. Early in my career, I didn’t have a senior developer to learn from at my first job — Jessamyn has filled that role for me ever since. Her depth of knowledge and experience is outstanding, and she has a rare ability to explain complex concepts clearly and patiently. She’s not only a brilliant developer but also a truly gifted teacher. I can’t recommend her highly enough.“
Kevin Chambers / Nov 2025
Jessamyn Smith
Oracle12c tutor
“I had an excellent system design session with Dejan today. He broke down the core principles of approaching system design interviews in a way that clicked for me. We discussed how to structure answers under time pressure, what common pitfalls to avoid, and how to prioritize clarity over complexity. Dejan also helped me identify which areas I should focus on next. We even dug into how one might architect something like YouTube, which made the concepts feel much more real and applicable. He’s clearly deeply knowledgeable, but just as importantly, he knows how to explain things in a digestible and actionable way. Highly recommended if you’re serious about leveling up your system design skills.“
Mo Gedi / Nov 2025
Dejan B.
Oracle12c tutor
“Ashish is always very knowledgable on Cypress Automation and frameworks in general and has helped me tremendously in setting up frameworks and maintaining them. Highly recommend him for any of your IT needs.“
Nobel dastan / Nov 2025
Ashish Jaishwal (QA Test Automation)
Oracle12c tutor
“He is very good with the tech stack and great at debugging. He clearly explains what works and what doesn’t in a particular scenario. He is patient, approachable, and always willing to help. His guidance has greatly improved my understanding of complex topics. He also offers valuable insights on best practices. Overall, he is an excellent mentor who creates a positive learning environment and consistently supports growth and skill development“
kumar p / Nov 2025
Olajide Olanrewaju
Oracle12c tutor


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Find the most suitable Oracle12c tutor by chatting with Oracle12c experts.

Arrange regular session times with Oracle12c tutors for one-on-one instruction.
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The time it takes to learn Oracle12c depends greatly on several factors, including your prior experience, the complexity of the language or tech stack, and how much time you dedicate to learning. Here’s a general framework to help you set realistic expectations:
Setting personal learning goals and maintaining a regular learning schedule are crucial. Consider leveraging resources like Codementor to access personalized mentorship and expert guidance, which can accelerate your learning process and help you tackle specific challenges more efficiently.
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Personalized Oracle12c mentoring through Codementor offers a unique and effective learning approach compared to traditional classroom learning, particularly in these key aspects:
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