Last week rating | SQL Exercises

August 09, 14:13 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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  • Сhanges in exercises' TOP 10
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SQL exercises

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  • SELECT (learning stage)
  • SELECT (learning stage,
      choosing DBMS)
  • SELECT (rating stages)
  • DML 
  • Transact-SQL tests
  • Data simulation
  • 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: 15142

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	>Shibaev (saah)	9	78	15	0	15	796	09 Aug 2026
2	Lyaschenko S.N. (pimen78)	2	122	5	0	5	176	07 Aug 2026
3	Nidens V. (vladlen058)	3	3	4	1	5	7354	06 Aug 2026
4	>Vinogradova S.M. (Tigra1)	2	148	4	0	4	153	09 Aug 2026
5	O (janeoosql)	3	29	4	0	4	1453	03 Aug 2026
6	Skokov B.S. (leks$$)	1	38	2	0	2	1300	07 Aug 2026
7	Skibin V.V. (SQL_vvs)	2	31	2	0	2	1644	09 Aug 2026
8	Muthukrishnan A. (Agal13)	1	13	2	0	2	5151	06 Aug 2026
9	Buk (sqlfighter00)	2	2	2	0	2	10877	07 Aug 2026
10	piopio5 (piopio5)	1	1	1	2	3	4965	07 Aug 2026
11	Sarkis'yan G. (gennadi_s)	1	221	1	0	1	15	09 Aug 2026
12	Gerasimovich S.V. (gerasimovic)	1	1	1	0	1	3152	07 Aug 2026
13	Yakovleva D. (Dashusi)	1	1	1	0	1	15111	03 Aug 2026
14	Geist A. (Avgeist)	0		0	10	10		07 Aug 2026
15	Katsel'nik D. (katsela)	0		0	9	9		06 Aug 2026
16	Bespalov (proWorker)	0		0	9	9		05 Aug 2026
17	Sal'khova A.A. (Nastya1823)	0		0	9	9		03 Aug 2026
18	safronov (GarikS33)	0		0	7	7		06 Aug 2026
19	ptc P.P. (ptc)	0		0	5	5		06 Aug 2026
20	Cherepanova A. (MONICgh)	0		0	5	5		06 Aug 2026
21	Moiseenko S.I. (mois_)	0	6	0	4	4	2538	08 Aug 2026
22	Sidorenko (Junior_Explorer)	0		0	3	3	15142	08 Aug 2026
23	bovykin V.K. (yaget)	0		0	3	3		07 Aug 2026
24	Volkonenkov S.S. (volkonenkow88)	0		0	2	2		05 Aug 2026
25	ss A.S. (SashaSS)	0		0	2	2		07 Aug 2026
26	Volkova D.F. (Di_kosm63)	0		0	1	1		05 Aug 2026
27	Zhigalov (MZh16)	0		0	1	1		03 Aug 2026
28	Eskyuelov (Zaproz)	0		0	1	1		06 Aug 2026
29	Smirnov A.S. (ton186)	0		0	1	1		04 Aug 2026

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