Last week rating | SQL Exercises

July 01, 07:40 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

  • Top 100
  • 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

Statistics

  • Today statistics
  • Site's old residents
  • Recent leaders activity
  • Сhanges in exercises' TOP 10
  • Results' chart

SQL exercises

  • Site rules
  • 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: 15116

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	Nikol'skij I.Yu. (igoryun)	7	61	15	0	15	795	30 Jun 2026
2	fioletovaya (fioletovaya2)	4	137	13	0	13	145	30 Jun 2026
3	Shibaev (saah)	8	46	13	0	13	1523	30 Jun 2026
4	Safronov P.A. (Paulus73)	4	145	10	0	10	135	30 Jun 2026
5	P I.*. (IrinaPetr)	3	86	8	0	8	520	01 Jul 2026
6	>Gitinomagomedov (gmansur88)	4	63	8	0	8	770	30 Jun 2026
7	Plamod'yanov S.G. (plmdnv1)	4	4	6	11	17	5203	30 Jun 2026
8	Varenikov D.M. (Dmitriy Varenikov)	1	229	4	0	4	20	29 Jun 2026
9	Ershov I. (qzva)	1	88	3	0	3	286	30 Jun 2026
10	Skokov B.S. (leks$$)	1	36	3	0	3	1375	30 Jun 2026
11	Williams B. (BW)	1	205	2	0	2	35	30 Jun 2026
12	Gorbunov M.S. (gms)	1	55	2	0	2	1019	29 Jun 2026
13	Sirotkin A. (aleksey_sir)	1	1	1	1	2	10959	27 Jun 2026
14	Kuz'mina E.V. (Fiction)	1	17	1	0	1	1617	01 Jul 2026
15	Skibin V.V. (SQL_vvs)	1	26	1	0	1	1786	30 Jun 2026
16	Ivanov I.I. (3umph)	1	1	1	0	1	15113	25 Jun 2026
17	Tikhonov S.V. (Sergej Sirius)	1	1	1	0	1	15114	30 Jun 2026
18	Kornienko (Ivan Kornienko)	0		0	6	6		24 Jun 2026
19	Saperov S.V. (s4per)	0		0	2	2		30 Jun 2026
20	Shabalkina U.V. (Onevilus)	0		0	2	2		26 Jun 2026
21	Kononov M.A. (Lockintosh)	0		0	1	1	15115	30 Jun 2026
22	Popova K.A. (Ksen123)	0		0	1	1	15116	30 Jun 2026
23	Malofeev A.P. (SeveA)	0		0	1	1		25 Jun 2026

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