Last week rating | SQL Exercises

September 09, 19:48 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: 15170

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	>Shibaev (saah)	6	94	13	4	17	477	09 Sep 2026
2	Tsybin A.V. (magicdragon)	4	40	8	8	16	1403	09 Sep 2026
3	Powkh N.M. (I_AiLL_I)	3	4	4	21	25	4141	03 Sep 2026
4	Gitinomagomedov (gmansur88)	2	70	3	0	3	489	06 Sep 2026
5	Minin A.A. (Artur_1111)	1	1	2	6	8	6528	06 Sep 2026
6	Zhuravlev D.A. (HEPHSQL)	2	2	2	0	2	10879	08 Sep 2026
7	Ivanov I.S. (Pr4x1s)	1	1	2	0	2	10996	05 Sep 2026
8	Skokov B.S. (leks$$)	1	48	1	0	1	1097	09 Sep 2026
9	Miya A. (the_miya)	0		0	13	13	5664	06 Sep 2026
10	sar G. (konick_gs)	0		0	11	11	5164	08 Sep 2026
11	madii Z.T. (wangu)	0		0	11	11	6061	07 Sep 2026
12	Folomkin I.N. (onevay)	0		0	5	5	7563	08 Sep 2026
13	Frolov K.A. (Murderface_)	0	155	0	3	3	135	08 Sep 2026
14	Salikhov R.A. (Ruzik707)	0		0	3	3	9452	03 Sep 2026
15	Hughes (SindbadTheSailor)	0		0	2	2	10995	04 Sep 2026
16	Mini N. (Natalia_2026)	0		0	2	2	10997	05 Sep 2026
17	DMRITsD (TheCupOfMagic)	0		0	2	2	10998	09 Sep 2026
18	Stikentzin D. (Aliandr)	0		0	1	1	15168	07 Sep 2026
19	Romanchenko (Polros)	0		0	1	1	15169	05 Sep 2026
20	Pevneva A.G. (annpv)	0		0	1	1	15170	08 Sep 2026

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