Last week rating | SQL Exercises

January 11, 10:23 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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  • 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,
      choosing DBMS)
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  • 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: 15317

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	fioletovaya (fioletovaya2)	10	85	24	0	24	666	11 Jan 2026
2	Safronov P.A. (Paulus73)	10	50	20	1	21	1297	10 Jan 2026
3	P I.*. (IrinaPetr)	12	28	18	0	18	2649	11 Jan 2026
4	Palasukhin D.S. (Nitrinos)	3	37	9	0	9	1323	11 Jan 2026
5	Sarkis'yan G. (gennadi_s)	2	201	6	0	6	16	10 Jan 2026
6	Vdovin S. (Rujan)	2	143	5	0	5	147	11 Jan 2026
7	Lakalov D. (Meilleur_NG)	3	80	5	0	5	469	08 Jan 2026
8	Koptel'tsev V. (selber)	1	226	3	0	3	21	11 Jan 2026
9	Dolgikh V.D. (fisheryy)	1	1	1	5	6	5813	05 Jan 2026
10	Petrov Y. (YuriPetrov)	1	204	1	0	1	32	05 Jan 2026
11	Zryumov E.A. (Zryumov)	1	9	1	0	1	2124	09 Jan 2026
12	Penkovskaia (iLintu)	1	6	1	0	1	3000	09 Jan 2026
13	Klenin (kostyllSQL)	1	1	1	0	1	7075	09 Jan 2026
14	maze T.P. (jigoroku)	1	1	1	0	1	14818	06 Jan 2026
15	Lenin (monemonu)	1	1	1	0	1	15316	05 Jan 2026
16	Kovalenko A.E. (problemsolver9095)	0		0	24	24		08 Jan 2026
17	Goreva I.M. (Goreva Irina)	0		0	21	21		09 Jan 2026
18	Shajdt I.V. (Ivan222)	0		0	19	19	5066	11 Jan 2026
19	Betelgeuse (Avebetelgeuse)	0		0	17	17		06 Jan 2026
20	Ryabov A. (Slavander)	0		0	15	15		09 Jan 2026
21	Tarasov I.E. (Dyce)	0		0	12	12		07 Jan 2026
22	Lo (alex_kiddo)	0		0	11	11		06 Jan 2026
23	Tikhomirova M. (ahwjbfie)	0		0	10	10		09 Jan 2026
24	Dron D.D. (Dron1234)	0		0	9	9		07 Jan 2026
25	Yastrebov D.D. (Yakimori)	0		0	8	8		08 Jan 2026
26	Polukhin A. (aappaa)	0		0	4	4	15317	10 Jan 2026
27	Khokhlova (ElizabethElizabeth)	0		0	3	3		07 Jan 2026
28	Lazareva E. (lea_22)	0	93	0	2	2	271	10 Jan 2026
29	Pupochko T.K. (AdeptSem)	0		0	2	2		10 Jan 2026
30	Stusyak S.I. (justsmn)	0		0	2	2		09 Jan 2026
31	Tolkachyov N.S. (prog_miracle)	0		0	1	1		06 Jan 2026
32	Simonov E. (matsui)	0		0	1	1		09 Jan 2026

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