Last week rating | SQL Exercises

August 22, 10:08 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 
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  • Results' chart

SQL exercises

  • SELECT (learning stage)
  • SELECT (learning stage,
      choosing DBMS)
  • SELECT (rating stages)
  • DML 
  • Transact-SQL tests
  • Modelling of data
  • Visual modelling (painting)
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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: 12059

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	Zhulanov S.G. (borey.mdb)	8	107	22	0	22	182	22 Aug 2018
2	>Shkarednyj I.N. (Gosha)	5	178	8	0	8	38	22 Aug 2018
3	Burgess (MeestaDave)	4	35	8	0	8	1712	21 Aug 2018
4	Frolova E. (ELinka)	6	6	8	0	8	5595	22 Aug 2018
5	Yurin D.I. (Diman9425)	4	57	7	0	7	824	21 Aug 2018
6	>Nasibulin K.N. (megadeth.nn)	4	23	7	0	7	1657	22 Aug 2018
7	Coutin J. (Azgar12)	5	5	7	0	7	5767	21 Aug 2018
8	Rebrin A. (Hydra86)	3	43	6	0	6	1296	21 Aug 2018
9	Gavrilov (dzhoncheg)	4	19	6	0	6	1893	17 Aug 2018
10	Gajdarov A.I. (Rolent)	2	59	5	0	5	1037	22 Aug 2018
11	>Bezgubenko A.S. (oWart)	2	38	5	0	5	1140	22 Aug 2018
12	Doschenko V.N. (mcrain)	2	248	4	0	4	2	22 Aug 2018
13	Kustodes A. (Xad)	2	2	3	1	4	7394	21 Aug 2018
14	Chernov D.V. (Kursist)	1	206	3	0	3	23	21 Aug 2018
15	Chesnokov M.S. (VinniL)	1	41	3	0	3	1133	15 Aug 2018
16	Petrov Y. (YuriPetrov)	1	197	2	0	2	30	21 Aug 2018
17	Vanteev A.G. (vanteevart)	1	88	2	0	2	343	16 Aug 2018
18	Stigajlo O. (olyasfika)	1	58	2	0	2	995	21 Aug 2018
19	Karachyov A.O. (ZILIO)	1	38	2	0	2	1143	21 Aug 2018
20	Kostyushko Yu.V. (kostushko)	1	25	2	0	2	1524	20 Aug 2018
21	Holwerda (Mariska)	1	7	2	0	2	4991	21 Aug 2018
22	Korolev N.S. (KorolevNS98)	2	5	2	0	2	6085	18 Aug 2018
23	Bogacheva K.D. (christyk)	2	2	2	0	2	8530	21 Aug 2018
24	Denisov Y. (OwlSoul)	1	1	1	4	5	6846	22 Aug 2018
25	Pesterev A. (PandNsk)	1	77	1	0	1	121	18 Aug 2018
26	Pankratov S.A. (Marine)	1	14	1	0	1	1622	18 Aug 2018
27	Pupkin (hangry)	1	15	1	0	1	2230	22 Aug 2018
28	Popov (alexander_popov)	1	10	1	0	1	2498	19 Aug 2018
29	Sal K.S. (Kseksekse)	1	15	1	0	1	2530	17 Aug 2018
30	Shusharin A.S. (JimHalpert)	1	2	1	0	1	4342	16 Aug 2018
31	holwerda (marhol)	1	1	1	0	1	8689	20 Aug 2018
32	Atamanov V.V. (atvlvi)	1	1	1	0	1	12055	20 Aug 2018
33	Raschinsky S. (Sergey Raschinsky)	1	1	1	0	1	12057	21 Aug 2018
34	Maksimenko (Sergmaksiman1)	0		0	18	18		20 Aug 2018
35	Merglodov (daniil_m)	0		0	17	17	4373	21 Aug 2018
36	Petrakova T.A. (til_ulenspigel)	0		0	17	17	4592	21 Aug 2018
37	SerGo (SerGo1210)	0		0	17	17	5506	19 Aug 2018
38	Chvalo V. (chvals82)	0		0	14	14	4593	22 Aug 2018
39	Barchevskij D. (rnd_Dimas)	0		0	13	13	4737	21 Aug 2018
40	Falaleev I.V. (Ilya Falaleev)	0		0	11	11	5037	21 Aug 2018
41	Bormotov A.A. (a_b_18)	0		0	9	9	5505	20 Aug 2018
42	Ryblova Y. (Yasha_Ryblov)	0		0	8	8	6845	21 Aug 2018
43	Kharlamova V.N. (Valery83)	0		0	6	6	6180	21 Aug 2018
44	Khandzhyan (antonhand)	0		0	6	6		17 Aug 2018
45	Smol'skij P.I. (psmolskii)	0		0	5	5		21 Aug 2018
46	Luk'yanenko K. (Kairu)	0		0	3	3	7781	17 Aug 2018
47	Ivan'ko D. (Pigalicca)	0		0	3	3	7782	18 Aug 2018
48	Raschupkin V.V. (VitaliyRashupkin)	0		0	3	3	7783	18 Aug 2018
49	Rg S. (totututot)	0		0	3	3	7784	21 Aug 2018
50	Malyutin P.M. (Nuzlar)	0		0	3	3	7785	19 Aug 2018
51	Klimov (Leonmp3)	0		0	3	3	7786	20 Aug 2018
52	.... (gloomy44)	0		0	3	3	7787	21 Aug 2018
53	Sereda (Roman Drevs)	0		0	3	3	7788	20 Aug 2018
54	Cole (vigilanta)	0		0	3	3	7789	20 Aug 2018
55	Korru N.S. (naresh korru)	0		0	3	3	7790	21 Aug 2018
56	Tiupa A.T. (alya.kv)	0		0	3	3	7791	21 Aug 2018
57	Denisova O.A. (Odenisova)	0		0	3	3	7792	21 Aug 2018
58	machavaraou P. (pavanmach)	0		0	3	3	7793	22 Aug 2018
59	Klyonova (Luciena)	0		0	3	3	12054	19 Aug 2018
60	Doe J. (dumpstergirl)	0		0	3	3		16 Aug 2018
61	Karasyova N.V. (vlksm)	0	259	0	2	2	8	21 Aug 2018
62	Koliuchiy (Koliuchiy)	0		0	2	2	8684	18 Aug 2018
63	Vict M. (MVM_7)	0		0	2	2	8685	19 Aug 2018
64	Atenyaev (zomzomzom)	0		0	2	2	8686	20 Aug 2018
65	Rastvorova (formaldehyde)	0		0	2	2	8687	21 Aug 2018
66	Prusov K.M. (pk2505)	0		0	2	2	8688	21 Aug 2018
67	Gasanov (Emil2015)	0		0	1	1	12052	17 Aug 2018
68	Kireev (vokireev)	0		0	1	1	12053	21 Aug 2018
69	Kuznetsov V. (kalikino)	0		0	1	1	12056	21 Aug 2018
70	Solonitsyn A. (asolonitsyn)	0		0	1	1	12058	21 Aug 2018
71	Ivanov I.I. (dykhanie_dykhanie)	0		0	1	1	12059	21 Aug 2018
72	Jain A. (Aashu1904)	0		0	1	1		17 Aug 2018
73	Kruk A.V. (Troo)	0		0	1	1		21 Aug 2018
74	Kharaneka S. (serg1961)	0		0	1	1		22 Aug 2018
75	Verkhovykh D.I. (DenisVerk)	0		0	1	1		21 Aug 2018

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