Last week rating | SQL Exercises

October 15, 19:16 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

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  • 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
  • Results' chart

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: 13896

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	>Sh S. (junopark1)	19	57	34	0	34	1201	15 Oct 2026
2	>Tkachenko D. (_GUERNIKA_)	6	113	13	0	13	215	15 Oct 2026
3	Gachegova I. (ilonza G)	4	4	5	0	5	6584	14 Oct 2026
4	Shibaev (saah)	1	119	4	14	18	246	15 Oct 2026
5	>Safronov P.A. (Paulus73)	2	160	4	0	4	117	15 Oct 2026
6	Sarkis'yan G. (gennadi_s)	1	226	3	0	3	14	15 Oct 2026
7	>Simonyan D. (Nnumby)	2	4	3	0	3	3286	15 Oct 2026
8	Belashkin I.A. (Tookser)	2	2	3	0	3	7552	14 Oct 2026
9	Timonin D.E. (DmiTim)	2	31	2	0	2	1307	14 Oct 2026
10	Vorob'ev N.D. (verculumn)	1	2	2	0	2	7793	12 Oct 2026
11	Selin R. (racecelin239)	1	1	2	0	2	9475	14 Oct 2026
12	O (janeoosql)	1	29	1	0	1	1443	15 Oct 2026
13	Marshakov V.V. (vityunyaKMV)	1	1	1	0	1	13896	13 Oct 2026
14	Zheludkov S. (zhsvyach)	0		0	10	10	5904	15 Oct 2026
15	Salikhov R.A. (Ruzik707)	0		0	7	7	6252	15 Oct 2026
16	Moiseeva U.D. (melkijprog)	0		0	6	6	6433	13 Oct 2026
17	Williams B. (BW)	0	204	0	4	4	36	15 Oct 2026
18	Sav H. (Master83_65)	0		0	3	3	8096	14 Oct 2026
19	Sambooskij L.A. (Holygang)	0		0	3	3		09 Oct 2026
20	Klyukin V.N. (Camel_blue)	0		0	2	2	9474	13 Oct 2026
21	Grabchuk A.M. (Middlewarer_pseudo)	0		0	1	1	13892	15 Oct 2026
22	Ivanov (fgwsdgerdgregerg)	0		0	1	1	13893	10 Oct 2026
23	Sultanov I. (ilhom7s)	0		0	1	1	13894	11 Oct 2026
24	Sorokina (XaNiX)	0		0	1	1	13895	12 Oct 2026

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