Last week rating | SQL Exercises

July 31, 17:48 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	Shibaev (saah)	5	69	9	0	9	1003	29 Jul 2026
2	O (janeoosql)	3	24	6	0	6	1548	29 Jul 2026
3	Vyazovetskov A.S. (alex_v)	1	258	4	0	4	6	31 Jul 2026
4	Vinogradova S.M. (Tigra1)	2	144	4	0	4	155	26 Jul 2026
5	Yakimov V. (Shester63)	3	3	4	0	4	8253	28 Jul 2026
6	Tkachenko D. (_GUERNIKA_)	1	108	3	0	3	233	30 Jul 2026
7	>Williams B. (BW)	2	207	2	0	2	35	31 Jul 2026
8	>Skibin V.V. (SQL_vvs)	1	29	2	0	2	1672	31 Jul 2026
9	Zamaraeva K. (system_rk200)	2	2	2	0	2	10787	28 Jul 2026
10	Sarkis'yan G. (gennadi_s)	1	220	1	0	1	15	31 Jul 2026
11	Nevskij D. (SkipOne)	1	1	1	0	1	15146	31 Jul 2026
12	>Luzin (Igoryasha)	1	1	1	0	1	15148	31 Jul 2026
13	Egorova A.O. (Sasha1994)	0		0	10	10	6344	30 Jul 2026
14	EL A.A. (AEL1811)	0		0	9	9	6469	29 Jul 2026
15	Anisimova (marble_plaque)	0		0	6	6	7154	31 Jul 2026
16	Starukhin A.V. (alexx_sql)	0		0	3	3	9440	26 Jul 2026
17	Shaju A. (Aditya18)	0		0	3	3	9441	28 Jul 2026
18	Dovganyuk T.D. (Tima12451)	0		0	3	3	9442	29 Jul 2026
19	Silenkova D.S. (silenok)	0		0	3	3	9443	30 Jul 2026
20	ss A.S. (SashaSS)	0		0	2	2	10982	28 Jul 2026
21	Esipenko A. (droyd)	0		0	2	2	10983	29 Jul 2026
22	Eskyuelov (Zaproz)	0		0	1	1	15143	25 Jul 2026
23	Matsuev F.V. (Nick_Ace)	0		0	1	1	15144	25 Jul 2026
24	piopio5 (piopio5)	0		0	1	1	15145	31 Jul 2026
25	Ryatina E.P. (evmake)	0		0	1	1	15147	30 Jul 2026

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