Last week rating | SQL Exercises

August 13, 05:08 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: 15148

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	Lyaschenko S.N. (pimen78)	3	123	6	0	6	176	12 Aug 2026
2	Shibaev (saah)	2	79	5	0	5	754	12 Aug 2026
3	Nidens V. (vladlen058)	3	3	4	1	5	7356	06 Aug 2026
4	Gitinomagomedov (gmansur88)	1	68	3	0	3	499	12 Aug 2026
5	Skokov B.S. (leks$$)	2	40	3	0	3	1270	12 Aug 2026
6	Sarkis'yan G. (gennadi_s)	1	222	2	0	2	15	12 Aug 2026
7	Vinogradova S.M. (Tigra1)	1	148	2	0	2	153	09 Aug 2026
8	Muthukrishnan A. (Agal13)	1	14	2	0	2	4859	12 Aug 2026
9	piopio5 (piopio5)	1	1	1	2	3	4966	12 Aug 2026
10	Gerasimovich S.V. (gerasimovic)	1	1	1	0	1	3152	10 Aug 2026
11	Kirigiri R.K. (XNoirX)	0		0	9	9	6470	12 Aug 2026
12	Katsel'nik D. (katsela)	0		0	9	9		06 Aug 2026
13	Putin (dvs696)	0		0	8	8	6613	11 Aug 2026
14	Geist A. (Avgeist)	0		0	7	7		07 Aug 2026
15	Cherepanova A. (MONICgh)	0		0	5	5		06 Aug 2026
16	Kupriyanova P.A. (@poluchku)	0		0	3	3	9443	11 Aug 2026
17	ptc P.P. (ptc)	0		0	2	2	15148	12 Aug 2026
18	ss A.S. (SashaSS)	0		0	2	2		12 Aug 2026
19	Sidorenko (Junior_Explorer)	0		0	1	1	15145	08 Aug 2026
20	Alina (alinakesareva)	0		0	1	1	15146	12 Aug 2026
21	Ra (KompAS)	0		0	1	1	15147	12 Aug 2026
22	Eskyuelov (Zaproz)	0		0	1	1		06 Aug 2026

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