Last week rating | SQL Exercises

January 09, 08:26 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

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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: 15337

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	P I.*. (IrinaPetr)	19	27	27	0	27	2685	09 Jan 2026
2	Safronov P.A. (Paulus73)	11	47	24	1	25	1379	08 Jan 2026
3	fioletovaya (fioletovaya2)	10	85	24	0	24	666	08 Jan 2026
4	Vdovin S. (Rujan)	3	143	7	0	7	147	07 Jan 2026
5	Palasukhin D.S. (Nitrinos)	2	36	6	0	6	1367	07 Jan 2026
6	Lakalov D. (Meilleur_NG)	3	80	5	0	5	469	08 Jan 2026
7	Sarkis'yan G. (gennadi_s)	1	200	4	0	4	16	08 Jan 2026
8	Koptel'tsev V. (selber)	1	226	3	0	3	21	09 Jan 2026
9	Dolgikh V.D. (fisheryy)	1	1	1	5	6	7110	05 Jan 2026
10	Petrov Y. (YuriPetrov)	1	204	1	0	1	32	05 Jan 2026
11	DO R.M. (danchikPi)	1	19	1	0	1	1902	04 Jan 2026
12	Zryumov E.A. (Zryumov)	1	9	1	0	1	2124	09 Jan 2026
13	Penkovskaia (iLintu)	1	6	1	0	1	3000	08 Jan 2026
14	Lenin (monemonu)	1	1	1	0	1	15333	05 Jan 2026
15	Klenin (kostyllSQL)	1	1	1	0	1	15335	06 Jan 2026
16	maze T.P. (jigoroku)	1	1	1	0	1	15336	06 Jan 2026
17	Kovalenko A.E. (problemsolver9095)	0		0	24	24	4460	08 Jan 2026
18	Soni M.B. (Mihir.soni)	0		0	23	23	4592	04 Jan 2026
19	Goreva I.M. (Goreva Irina)	0		0	21	21	4793	08 Jan 2026
20	Betelgeuse (Avebetelgeuse)	0		0	17	17	5295	06 Jan 2026
21	Tarasov I.E. (Dyce)	0		0	12	12	5912	07 Jan 2026
22	Ryabov A. (Slavander)	0		0	12	12	5913	08 Jan 2026
23	Lo (alex_kiddo)	0		0	11	11	6126	06 Jan 2026
24	Nikita (kito4)	0		0	10	10	8018	03 Jan 2026
25	Dron D.D. (Dron1234)	0		0	9	9	6559	07 Jan 2026
26	Yastrebov D.D. (Yakimori)	0		0	8	8	6745	08 Jan 2026
27	boss (tinderboss)	0		0	6	6		02 Jan 2026
28	Chernyakov A.S. (beachovsky)	0		0	3	3	9596	05 Jan 2026
29	Rublev R.I. (LinkEvr)	0		0	3	3	9597	05 Jan 2026
30	Khokhlova (ElizabethElizabeth)	0		0	3	3	9598	07 Jan 2026
31	Pupochko T.K. (AdeptSem)	0		0	2	2	11098	07 Jan 2026
32	Stusyak S.I. (justsmn)	0		0	2	2	11099	08 Jan 2026
33	Tolkachyov N.S. (prog_miracle)	0		0	1	1	15334	06 Jan 2026
34	Simonov E. (matsui)	0		0	1	1	15337	07 Jan 2026
35	Ivanov I.I. (proger765)	0		0	1	1		02 Jan 2026

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