Last week rating | SQL Exercises

September 05, 21:24 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

  • 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
  • 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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  • About certification
  • Certified professionals
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  • Confirm certificate

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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: 15162

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	Tsybin A.V. (magicdragon)	4	38	11	3	14	1524	04 Sep 2026
2	Shibaev (saah)	4	90	9	0	9	537	05 Sep 2026
3	Skokov B.S. (leks$$)	4	48	8	0	8	1097	04 Sep 2026
4	Powkh N.M. (I_AiLL_I)	4	4	5	21	26	4141	03 Sep 2026
5	Vinogradova S.M. (Tigra1)	1	154	4	0	4	148	31 Aug 2026
6	Gusev A.O. (NowOrNever)	1	68	3	0	3	425	30 Aug 2026
7	Minin A.A. (Artur_1111)	1	1	2	6	8	6525	04 Sep 2026
8	Berezovskaya O. (Rocksolana)	1	2	2	0	2	8354	02 Sep 2026
9	>Ivanov I.S. (Pr4x1s)	1	1	2	0	2	10991	05 Sep 2026
10	Bezmolitvennaya Yu.V. (yillixx)	1	1	1	0	1	15159	02 Sep 2026
11	sar G. (konick_gs)	0		0	14	14	5163	05 Sep 2026
12	Salikhov R.A. (Ruzik707)	0		0	3	3	9448	03 Sep 2026
13	Kaverzin M.A. (Amnesia172)	0	3	0	2	2	3292	01 Sep 2026
14	Bochkova (PunDora)	0		0	2	2	10989	01 Sep 2026
15	Hughes (SindbadTheSailor)	0		0	2	2	10990	04 Sep 2026
16	Shishkova E. (norta)	0		0	1	1	15160	01 Sep 2026
17	Stikentzin D. (Aliandr)	0		0	1	1	15161	05 Sep 2026
18	Romanchenko (Polros)	0		0	1	1	15162	05 Sep 2026

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