Congratulations to the winners of the 2024 Oracle Dev Gym Championships!

This year the database championships covered features added in Oracle Database 23ai, including JSON duality views, the automatic SQL transpiler, and use case domains.

A toy pig eating a birthday cake surrounded by confetti
Photo courtesy of Gratisography

Oracle Database Winners

1st Place: Andrey Zaytsev

2nd Place:
Karine Konstantinyan

3rd Place: MarkusId

This is the third year in a row Andrey has taken the title – an incredible achievement! Second is a great effort by Karine’s in her first entry in the database championships. Third is a well deserved return to the podium for long time player MarkusId, who previously won the 2019 PL/SQL championship.

You can view the complete rankings below or on the Oracle Dev Gym Leaderboards.

Congratulations to everyone who played in the championships. We hope they found it entertaining, challenging, and educational. 

If you weren’t part of the championships and want to try the quizzes out for yourself, we have made them available as a workout:

Finally, many thanks to our championship quiz authors; their hard work creating and reviewing the questions ensured we had a high quality championship:

Want to take part in the next championships?

Take the free weekly database quizzes on Oracle Dev Gym to qualify. The top fifty ranked players at the end of 2025 will be entered into the championships which will be held early in 2026.

Oracle Database Championship Rankings

Rank Name Total Time % Correct Total Score
1 Andrey Zaytsev (4) 41 m 75% 4987
2 Karine Konstantinyan (1) 44 m 65% 4353
3 MarkusId (4) 28 m 62% 4156
4 Ivan Celerin (4) 35 m 60% 4006
5 Vijay Mahawar (4) 43 m 58% 3856
6 RalfK (4) 27 m 56% 3785
7 MichalM (4) 29 m 56% 3777
8 Chase Mei (4) 33 m 56% 3763
9 BogusM (1) 08 m 55% 3722
10 NielsHecker (4) 44 m 55% 3601
11 USER387689 (3) 19 m 51% 3434
12 Rakesh Dadhich (4) 27 m 51% 3409
13 Mahamoutou (4) 41 m 51% 3362
14 mentzel.iudith (4) 44 m 51% 3350
15 Henry_A (4) 08 m 47% 3221
16 Raaz Kumar (4) 13 m 47% 3206
17 Michal P. (4) 36 m 47% 3129
18 Shako (1) 44 m 47% 3101
19 whab@tele2.at (3) 24 m 45% 3045
20 alex.diniasi (4) 34 m 45% 3010
21 JeroenR (4) 39 m 45% 2993
22 seanm95 (4) 30 m 44% 2897
23 Eriefu (2) 21 m 40% 2679
24 Sandra99 (4) 26 m 40% 2661
25 Harmonic7 (2) 34 m 40% 2636
26 Oleksiy Ponomarenko (4) 23 m 38% 2547
27 Karel_Prech (4) 35 m 36% 2382
28 JasonC (4) 30 m 35% 2272
29 Manfred Kleander (3) 44 m 33% 2100

Championship Performance History

After each name, the quarter in which he or she played, and the ranking in that championship.

Name History
Andrey Zaytsev 2021:4th, 2022:1st, 2023:1st, 2024:1st
Karine Konstantinyan 2024:2nd
MarkusId 2021:11th, 2022:4th, 2023:27th, 2024:3rd
Ivan Celerin 2021:9th, 2022:8th, 2023:11th, 2024:4th
Vijay Mahawar 2022:21st, 2023:20th, 2024:5th
RalfK 2021:25th, 2023:30th, 2024:6th
MichalM 2021:13th, 2022:5th, 2023:31st, 2024:7th
Chase Mei 2021:12th, 2022:12th, 2023:17th, 2024:8th
BogusM 2024:9th
NielsHecker 2021:5th, 2022:3rd, 2023:7th, 2024:10th
USER387689 2022:25th, 2023:25th, 2024:11th
Rakesh Dadhich 2021:26th, 2022:23rd, 2024:12th
Mahamoutou 2021:29th, 2022:14th, 2023:14th, 2024:13th
mentzel.iudith 2021:10th, 2022:7th, 2023:3rd, 2024:14th
Henry_A 2021:33rd, 2023:32nd, 2024:15th
Raaz Kumar 2021:30th, 2022:19th, 2024:16th
Michal P. 2021:20th, 2022:26th, 2023:10th, 2024:17th
Shako 2024:18th
whab@tele2.at 2022:27th, 2024:19th
alex.diniasi 2021:1st, 2022:13th, 2023:9th, 2024:20th
JeroenR 2021:15th, 2022:24th, 2023:22nd, 2024:21st
seanm95 2021:16th, 2023:5th, 2024:22nd
Eriefu 2023:24th, 2024:23rd
Sandra99 2021:6th, 2022:10th, 2023:26th, 2024:24th
Harmonic7 2023:18th, 2024:25th
Oleksiy Ponomarenko 2021:22nd, 2022:11th, 2024:26th
Karel_Prech 2021:14th, 2022:28th, 2023:23rd, 2024:27th
JasonC 2022:17th, 2023:21st, 2024:28th
Manfred Kleander 2022:31st, 2023:19th, 2024:29th