Last week rating | SQL Exercises

April 24, 05:51 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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SQL exercises

  • SELECT (learning stage)
  • SELECT (learning stage,
      choosing DBMS)
  • SELECT (rating stages)
  • 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: 11923

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	Boronin M.V. (makc-nv)	8	23	13	0	13	1635	24 Apr 2018
2	Yakovlev M.V. (MikhailYakovlev535)	6	52	12	0	12	1135	23 Apr 2018
3	Zalunin D. (dim_zal)	7	11	10	0	10	4522	23 Apr 2018
4	Agirre Kordova (Cordova)	7	7	9	24	33	2764	23 Apr 2018
5	Sajgakova A.V. (Ametist)	4	26	8	0	8	1477	23 Apr 2018
6	Vyazovetskov A.S. (alex_v)	2	238	7	0	7	10	24 Apr 2018
7	Pantileenko D. (iriswind1)	3	82	7	0	7	378	20 Apr 2018
8	Kostomarov A.V. (al29)	2	246	6	0	6	1	19 Apr 2018
9	KsNV (KsNV_)	4	53	5	0	5	879	23 Apr 2018
10	Ariam (Ariam)	3	55	4	1	5	713	22 Apr 2018
11	Vasilevskaya E.A. (kattiks)	1	88	4	0	4	257	23 Apr 2018
12	Buldenkov D.A. (eXeQuThor)	1	93	3	0	3	263	23 Apr 2018
13	Berestneva N.A. (Wolfna)	2	79	3	0	3	453	20 Apr 2018
14	G N.E. (gana)	1	68	3	0	3	808	24 Apr 2018
15	Tychkov A. (Justew)	1	1	2	11	13	5173	23 Apr 2018
16	Zajtsev V.S. (Sleeping)	1	209	2	0	2	19	19 Apr 2018
17	L'vov S.V. (simba_81)	1	84	2	0	2	340	19 Apr 2018
18	Yastrebova S.V. (WhiteGoshawk)	1	39	2	0	2	1081	23 Apr 2018
19	Sorokin D.Yu. (cth)	1	16	2	0	2	2107	20 Apr 2018
20	Usik S.V. (cheekysveta95)	1	5	2	0	2	2977	17 Apr 2018
21	Konnov R.O. (RomJR)	1	8	2	0	2	4942	22 Apr 2018
22	Gladyshev A. (aagladyshev1)	1	10	1	26	27	2481	23 Apr 2018
23	Latyntsev N.G. (aks_nsk)	1	180	1	0	1	48	24 Apr 2018
24	Uzintsev A.V. (alexuv)	1	65	1	0	1	559	23 Apr 2018
25	Alexenko V. (vova.alexenko)	1	52	1	0	1	948	17 Apr 2018
26	Kozlova D. (daryadm)	1	4	1	0	1	3344	22 Apr 2018
27	Yurin D.I. (Diman9425)	1	21	1	0	1	3456	23 Apr 2018
28	Kay A. (kay1992)	1	16	1	0	1	3842	23 Apr 2018
29	Makovsky M. (makovsky)	0		0	25	25	3620	24 Apr 2018
30	Surname (svdr23)	0		0	25	25	8577	23 Apr 2018
31	Zemlyanukhin (NIKITA123321)	0		0	25	25		20 Apr 2018
32	Koretskij M.S. (Koretskij Mikhail)	0		0	20	20	8576	23 Apr 2018
33	Safonova D.A. (diana11111997)	0		0	19	19	7689	21 Apr 2018
34	Murenin I. (tighxe)	0		0	17	17		20 Apr 2018
35	ole (hejsa)	0		0	11	11	6095	23 Apr 2018
36	Gerastovsaya A.S. (ann1206)	0		0	11	11		17 Apr 2018
37	Milyutin (nattan3310)	0		0	11	11		17 Apr 2018
38	Dronov M. (Dron98)	0		0	10	10		19 Apr 2018
39	Geralt O.R. (Medovik23)	0		0	9	9	5435	23 Apr 2018
40	Zakharov A.M. (MasterAndrey)	0		0	9	9	5436	23 Apr 2018
41	Dmitrenko (corred)	0		0	9	9	5437	23 Apr 2018
42	Mas (rrrazor)	0		0	9	9		19 Apr 2018
43	Vapnyarchuk I.I. (Vapnyarchuk)	0		0	9	9		23 Apr 2018
44	Polivoda K. (Polivoda2395aaaaaa)	0		0	8	8		20 Apr 2018
45	Stolbov Y. (Stolbov)	0		0	8	8		19 Apr 2018
46	Yakovlev G.I. (German1993)	0		0	8	8		20 Apr 2018
47	Sergeenko S.V. (Sergik_2018)	0		0	7	7	8572	20 Apr 2018
48	nas (shpakovska)	0		0	6	6		17 Apr 2018
49	Koroleva (avemaria)	0		0	5	5	6759	23 Apr 2018
50	Akhrorov B. (Beka_96)	0		0	5	5		19 Apr 2018
51	Koft (Benka)	0		0	5	5		20 Apr 2018
52	Dejnak V.S. (Valdis2312)	0		0	5	5		19 Apr 2018
53	Burdenko Ya. (Bsl)	0		0	4	4	7409	23 Apr 2018
54	Tsukrenko (sugarmenyn)	0		0	4	4		23 Apr 2018
55	Kostenko A. (AntonK.)	0		0	4	4		23 Apr 2018
56	Litkovskij A.S. (Krakozyabl)	0		0	4	4		19 Apr 2018
57	Tarambula V.S. (tarambulavs)	0		0	4	4		22 Apr 2018
58	Rotsker S.R. (vet_gop/33)	0		0	4	4		21 Apr 2018
59	Snegovoj (Snegovoy_Aleks)	0		0	4	4		22 Apr 2018
60	Korzhenevich O.S. (Olya Korzhenevich)	0		0	4	4		20 Apr 2018
61	Muratov J. (jek2033)	0		0	4	4		19 Apr 2018
62	Zubіlevich A.V. (antonzubb)	0		0	4	4		19 Apr 2018
63	Pusev D.V. (Pusev_Denis)	0	99	0	3	3	234	23 Apr 2018
64	Omarov T.T. (Rovno15simvolov)	0	5	0	3	3	5365	23 Apr 2018
65	Zhej Z.S. (zhej)	0		0	3	3	7690	24 Apr 2018
66	Smirnov (smvlx1)	0		0	3	3	7691	23 Apr 2018
67	cewabu@twocowmail.net (cewabu)	0		0	3	3	7692	23 Apr 2018
68	Sapelko A.P. (Shlema)	0		0	3	3	8575	23 Apr 2018
69	Krajnik (AndrewKraynik)	0		0	3	3		19 Apr 2018
70	Azaryonok T.N. (tato4ka91)	0		0	3	3		23 Apr 2018
71	Chez (asya121)	0		0	3	3		17 Apr 2018
72	Khatum N.I. (Niki44)	0		0	3	3		20 Apr 2018
73	Skripnik M.V. (MariaSkr)	0		0	3	3		17 Apr 2018
74	Evgenij P.V. (Zhecond)	0		0	3	3		22 Apr 2018
75	Utina (Lana Banana)	0		0	3	3		17 Apr 2018
76	Goleva E.N. (Rissolenka)	0		0	3	3		20 Apr 2018
77	Nikita (Pakimon)	0		0	3	3		22 Apr 2018
78	naxagi (odaxelangia)	0		0	2	2	8573	23 Apr 2018
79	F (kesh.ka)	0		0	2	2	8574	23 Apr 2018
80	Elajv Yu. (Alivezm)	0		0	2	2		17 Apr 2018
81	Filimonov D.Yu. (dane_fell)	0		0	2	2		18 Apr 2018
82	popok D.V. (dima00707)	0		0	2	2		20 Apr 2018
83	Soroko S.I. (Soroko)	0		0	2	2		20 Apr 2018
84	Dragun V.V. (Vlada321)	0		0	2	2		19 Apr 2018
85	Bandura M.S. (Maikl_B)	0		0	2	2		20 Apr 2018
86	Denia (ohhlux)	0		0	2	2		23 Apr 2018
87	Krasovskij E.A. (pegoopik)	0	263	0	1	1	2	20 Apr 2018
88	Chernov D.V. (Kursist)	0	188	0	1	1	35	24 Apr 2018
89	Nersesov (TIpu3paK)	0		0	1	1	11921	23 Apr 2018
90	Rozhkov D.S. (student_solver_sql)	0		0	1	1	11922	22 Apr 2018
91	Dominic B. (lydiabuttplug)	0		0	1	1	11923	23 Apr 2018
92	Boyko (Dmitrixxx)	0		0	1	1		23 Apr 2018
93	Vladislavov V.V. (Ambrosy0)	0		0	1	1		19 Apr 2018
94	Bespalov D.N. (BDN)	0		0	1	1		20 Apr 2018
95	hushovatyy V. (el_fantazma)	0		0	1	1		17 Apr 2018
96	Kіsіl' N.O. (natakiss)	0		0	1	1		17 Apr 2018
97	gugaev K. (Kirill Gugaev)	0		0	1	1		20 Apr 2018

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