Last week rating | SQL Exercises

June 24, 07:11 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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  • "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

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SQL exercises

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  • SELECT (learning stage)
  • SELECT (learning stage,
      choosing DBMS)
  • SELECT (rating stages)
  • DML 
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  • 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: 15123

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	Gitinomagomedov (gmansur88)	10	59	16	1	17	882	22 Jun 2026
2	Bykov (EvgenyAstro)	10	10	15	0	15	4171	19 Jun 2026
3	Vinogradova S.M. (Tigra1)	2	137	9	0	9	173	21 Jun 2026
4	Shibaev (saah)	7	38	9	0	9	1766	22 Jun 2026
5	Safronov P.A. (Paulus73)	3	141	8	0	8	138	22 Jun 2026
6	Guschina E. (kate_gushchina)	4	8	7	0	7	5801	23 Jun 2026
7	P I.*. (IrinaPetr)	2	83	5	0	5	568	23 Jun 2026
8	>Jobs F. (SQL-Penetrator)	3	4	5	0	5	7075	23 Jun 2026
9	Gorbunov M.S. (gms)	2	54	3	0	3	1037	21 Jun 2026
10	Williams B. (BW)	1	204	2	0	2	35	24 Jun 2026
11	D (IlyaDukh)	1	1	1	8	9	6378	23 Jun 2026
12	Lavrikov (Lavr309)	1	1	1	0	1	15122	23 Jun 2026
13	Kozlov K.N. (iksdik)	0		0	19	19	5017	22 Jun 2026
14	Yakovlev (Dez46)	0		0	15	15	10967	23 Jun 2026
15	Iskorneva A.A. (alinkskrn)	0		0	10	10	6336	23 Jun 2026
16	karina K. (hbabdfhkdf)	0		0	9	9	6460	22 Jun 2026
17	Belyatskiy A.A. (ABOBA67)	0		0	6	6	7144	20 Jun 2026
18	Chunin E. (Greedy_Gnome)	0		0	6	6	7145	23 Jun 2026
19	Vakulko A.V. (VAlexandrV)	0		0	6	6		18 Jun 2026
20	Detskaya A. (detskaya)	0		0	6	6		19 Jun 2026
21	Vdovin S. (Rujan)	0	143	0	4	4	140	21 Jun 2026
22	Avdeenko I. (Igor_001)	0	70	0	3	3	463	23 Jun 2026
23	Shiryaev O.L. (1Oleg)	0		0	3	3	9430	21 Jun 2026
24	L (angch)	0		0	3	3	9431	22 Jun 2026
25	ss A.S. (SashaSS)	0		0	3	3	15120	23 Jun 2026
26	Kavaliou (miki_koval)	0		0	3	3		19 Jun 2026
27	Ivanov I.I. (Prost1sql)	0		0	2	2	10965	20 Jun 2026
28	Arkhipov (remaseds)	0		0	2	2	10966	22 Jun 2026
29	Sulimov I.A. (IGMoodS)	0		0	1	1	15121	22 Jun 2026
30	Mazanov (APMazanov)	0		0	1	1	15123	23 Jun 2026
31	Pal'chikova (niktofilikk)	0		0	1	1		18 Jun 2026

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