Last week rating | SQL Exercises

August 07, 14:44 MSK

SQL Exercises is intended for acquiring good practical experience, which is focused on data operation, namely on SQL DML. Certain exercises for beginners are provided on the site, they are supplied with the necessary reference source on SQL syntax with a great number of examples. Apart from them, 3 rating stages are suggested, they are aimed at testing of specialists and their certification. The source is absolutely free of charge, and the certificate purchase has a voluntary basis.
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Ratings

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  • Top 100 on latest exercises
  • "Liberal" rating
  • Olympic rating
  • TOP 100 of Learning Stage
  • Rating by summation of ranks
  • Top 10 (photos)
  • Last-week results
  • Rating of second-stage exercises (average)
  • Rating of 2nd-stage exercises (median)
  • Author's rating  • 2nd stage rating up to exercise:
   enter No 
  • Rating on the exercise:
   enter No
  • Optimistic rating
   enter factor

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SQL exercises

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  • SELECT (learning stage,
      choosing DBMS)
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  • DML 
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  • Data simulation (DML);
  • Visual simulation (painting)
  • Exercises voting (SELECT)
  • Exercises voting (DML)

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Last-week results

n_sel - number of select exercises solved this week;
sel_all - total number of solved select exercises;
sel_scores - sum of points on select exercises earned this week;
dml_scores - sum of points on dml exercises earned this week;
scores - total sum of points earned this week;

Involved in rating: 15156

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	Shibaev (saah)	8	77	13	0	13	817	06 Aug 2026
2	O (janeoosql)	5	29	7	0	7	1453	03 Aug 2026
3	Lyaschenko S.N. (pimen78)	2	120	6	0	6	184	02 Aug 2026
4	Vinogradova S.M. (Tigra1)	3	147	5	0	5	153	02 Aug 2026
5	Nidens V. (vladlen058)	3	3	4	1	5	7357	06 Aug 2026
6	Skibin V.V. (SQL_vvs)	3	31	4	0	4	1644	04 Aug 2026
7	Schetkin N.A. (Persey_Tunguskovich)	3	3	4	0	4	8189	03 Aug 2026
8	Koptel'tsev V. (selber)	1	231	2	0	2	19	07 Aug 2026
9	Skokov B.S. (leks$$)	1	38	2	0	2	1300	07 Aug 2026
10	Muthukrishnan A. (Agal13)	1	13	2	0	2	5145	06 Aug 2026
11	Buk (sqlfighter00)	2	2	2	0	2	10884	07 Aug 2026
12	>piopio5 (piopio5)	1	1	1	2	3	8733	07 Aug 2026
13	Sarkis'yan G. (gennadi_s)	1	221	1	0	1	15	07 Aug 2026
14	Luzin (Igoryasha)	1	1	1	0	1	15127	01 Aug 2026
15	Yakovleva D. (Dashusi)	1	1	1	0	1	15152	03 Aug 2026
16	>Gerasimovich S.V. (gerasimovic)	1	1	1	0	1	15156	07 Aug 2026
17	Geist A. (Avgeist)	0		0	10	10	6344	07 Aug 2026
18	Sal'khova A.A. (Nastya1823)	0		0	9	9	6469	03 Aug 2026
19	Bespalov (proWorker)	0		0	9	9	6470	05 Aug 2026
20	Katsel'nik D. (katsela)	0		0	9	9	6471	06 Aug 2026
21	safronov (GarikS33)	0		0	7	7	6851	06 Aug 2026
22	Cherepanova A. (MONICgh)	0		0	5	5	7559	06 Aug 2026
23	ptc P.P. (ptc)	0		0	5	5	7560	06 Aug 2026
24	Moiseenko S.I. (mois_)	0	6	0	4	4	2411	07 Aug 2026
25	bovykin V.K. (yaget)	0		0	3	3	9447	06 Aug 2026
26	Savenko (olalasavenko)	0		0	3	3		07 Aug 2026
27	Sidorenko (Junior_Explorer)	0		0	2	2	10987	07 Aug 2026
28	Volkonenkov S.S. (volkonenkow88)	0		0	2	2	10988	05 Aug 2026
29	ss A.S. (SashaSS)	0		0	2	2	10989	07 Aug 2026
30	Zhigalov (MZh16)	0		0	1	1	15151	03 Aug 2026
31	Smirnov A.S. (ton186)	0		0	1	1	15153	04 Aug 2026
32	Volkova D.F. (Di_kosm63)	0		0	1	1	15154	05 Aug 2026
33	Eskyuelov (Zaproz)	0		0	1	1	15155	06 Aug 2026
34	Bodrov S.S. (Sergejlock)	0		0	1	1		01 Aug 2026

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