Last week rating | SQL Exercises

June 21, 05:24 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)
  • 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: 15112

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	Safronov P.A. (Paulus73)	6	140	20	0	20	138	20 Jun 2026
2	Shibaev (saah)	14	38	19	0	19	1766	20 Jun 2026
3	Bykov (EvgenyAstro)	10	10	15	11	26	4171	19 Jun 2026
4	Gitinomagomedov (gmansur88)	9	57	13	1	14	971	20 Jun 2026
5	Vinogradova S.M. (Tigra1)	2	136	7	0	7	177	20 Jun 2026
6	P I.*. (IrinaPetr)	3	82	7	0	7	582	20 Jun 2026
7	Skokov B.S. (leks$$)	1	35	3	0	3	1409	19 Jun 2026
8	D (IlyaDukh)	1	1	1	8	9	6376	19 Jun 2026
9	Freitas J.P. (Juli_@@)	1	1	1	1	2	10749	15 Jun 2026
10	Gorbunov M.S. (gms)	1	53	1	0	1	1055	20 Jun 2026
11	Yakupova (Kamilla Yakupova)	1	5	1	0	1	7476	15 Jun 2026
12	Gornikov A.P. (AG3)	1	1	1	0	1	15112	15 Jun 2026
13	Kozlov K.N. (iksdik)	0		0	13	13	5651	20 Jun 2026
14	Yakovlev (Dez46)	0		0	13	13		17 Jun 2026
15	Vdovin S. (Rujan)	0	143	0	11	11	141	20 Jun 2026
16	Kavaliou (miki_koval)	0		0	9	9		19 Jun 2026
17	Vakulko A.V. (VAlexandrV)	0		0	8	8		18 Jun 2026
18	Belyatskiy A.A. (ABOBA67)	0		0	6	6	7140	20 Jun 2026
19	Detskaya A. (detskaya)	0		0	6	6		19 Jun 2026
20	Nope (ScreamingSeagull)	0		0	3	3		17 Jun 2026
21	Shlyapugin D.V. (shlyapugind)	0		0	3	3		18 Jun 2026
22	Ivanov I.I. (Prost1sql)	0		0	2	2	10959	20 Jun 2026
23	ss A.S. (SashaSS)	0		0	2	2		19 Jun 2026
24	Tokar' I.V. (Iriska25)	0		0	1	1		14 Jun 2026
25	Pal'chikova (niktofilikk)	0		0	1	1		18 Jun 2026

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