Last week rating | SQL Exercises

October 15, 03:58 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: 13895

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	Sh S. (junopark1)	17	54	31	0	31	1261	14 Oct 2026
2	Tkachenko D. (_GUERNIKA_)	5	112	11	0	11	220	14 Oct 2026
3	Gachegova I. (ilonza G)	4	4	5	0	5	6583	14 Oct 2026
4	Shibaev (saah)	1	119	4	7	11	256	14 Oct 2026
5	Safronov P.A. (Paulus73)	2	159	4	0	4	124	14 Oct 2026
6	Sarkis'yan G. (gennadi_s)	1	226	3	0	3	14	14 Oct 2026
7	Belashkin I.A. (Tookser)	2	2	3	0	3	7551	14 Oct 2026
8	Boldyrev G.V. (grif85)	1	47	2	0	2	1019	08 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	7792	12 Oct 2026
11	Selin R. (racecelin239)	1	1	2	0	2	9474	14 Oct 2026
12	O (janeoosql)	1	29	1	0	1	1443	11 Oct 2026
13	Marshakov V.V. (vityunyaKMV)	1	1	1	0	1	13895	13 Oct 2026
14	Zheludkov S. (zhsvyach)	0		0	13	13	6432	14 Oct 2026
15	Moiseeva U.D. (melkijprog)	0		0	6	6	6431	13 Oct 2026
16	Sav H. (Master83_65)	0		0	3	3	8095	14 Oct 2026
17	Sambooskij L.A. (Holygang)	0		0	3	3		09 Oct 2026
18	Klyukin V.N. (Camel_blue)	0		0	2	2	9473	13 Oct 2026
19	Avdeenko I. (Igor_001)	0	69	0	1	1	459	08 Oct 2026
20	Grabchuk A.M. (Middlewarer_pseudo)	0		0	1	1	13891	14 Oct 2026
21	Ivanov (fgwsdgerdgregerg)	0		0	1	1	13892	10 Oct 2026
22	Sultanov I. (ilhom7s)	0		0	1	1	13893	11 Oct 2026
23	Sorokina (XaNiX)	0		0	1	1	13894	12 Oct 2026

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