Last week rating | SQL Exercises

August 19, 18:26 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

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  • Site's old residents
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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: 15156

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	Shibaev (saah)	6	84	14	0	14	643	19 Aug 2026
2	Vinogradova S.M. (Tigra1)	2	150	5	0	5	151	16 Aug 2026
3	>Tsybin A.V. (magicdragon)	2	30	3	0	3	2362	19 Aug 2026
4	Chvikova A.M. (Chvikova)	2	13	3	0	3	5230	19 Aug 2026
5	Lyaschenko S.N. (pimen78)	1	124	2	0	2	173	14 Aug 2026
6	>Pokrovskij A.A. (Sanyok05)	1	1	2	0	2	10990	19 Aug 2026
7	jadgfldsgf (jadgfldsgf)	1	1	1	0	1	15153	15 Aug 2026
8	Vershinina A. (KI RA)	1	1	1	0	1	15156	18 Aug 2026
9	Vishnyevskiy (pvish)	0		0	12	12	5838	18 Aug 2026
10	Alina (alinakesareva)	0		0	7	7		14 Aug 2026
11	Bochkova (PunDora)	0		0	6	6	7157	19 Aug 2026
12	Kirigiri R.K. (XNoirX)	0		0	6	6		12 Aug 2026
13	Shaju A. (Aditya18)	0		0	4	4	8530	15 Aug 2026
14	Bykov (sky-shore)	0		0	4	4	8531	19 Aug 2026
15	Romanov M. (maksr1703)	0		0	3	3	9447	16 Aug 2026
16	Li F. (Lili_France)	0		0	3	3	9448	19 Aug 2026
17	Povol (looki123)	0		0	3	3	9449	18 Aug 2026
18	ss A.S. (SashaSS)	0		0	2	2	10989	19 Aug 2026
19	asdas (idalvilter)	0		0	1	1	15154	16 Aug 2026
20	Ku (darwinboy)	0		0	1	1	15155	18 Aug 2026
21	Ra (KompAS)	0		0	1	1		12 Aug 2026
22	ptc P.P. (ptc)	0		0	1	1		12 Aug 2026

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