Last week rating | SQL Exercises

August 22, 08:36 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

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: 12196

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	Burmistrov V.V. (Razorkell)	17	68	36	10	46	486	21 Aug 2019
2	Safonov A.A. (funnym33)	19	60	35	0	35	839	22 Aug 2019
3	Stepanov A.S. (Stepanov Aleksej)	11	62	21	0	21	731	21 Aug 2019
4	i L. (Lexa_550)	13	13	18	24	42	4414	22 Aug 2019
5	Morgunova L. (amfisbena)	5	72	14	0	14	510	21 Aug 2019
6	Trofimov (learn_jack)	7	52	12	0	12	1218	21 Aug 2019
7	G (HPavel)	5	47	11	0	11	998	21 Aug 2019
8	Shmigirev A.E. (Shmigirev)	5	77	10	0	10	433	21 Aug 2019
9	Kopylov A.V. (alegzey)	5	81	9	2	11	308	21 Aug 2019
10	Selezen' A.N. (Artny)	5	81	9	0	9	349	22 Aug 2019
11	Shablya A. (Ondresh)	3	36	8	0	8	1239	21 Aug 2019
12	Zhukov A.A. (aazhukov_12)	6	7	8	0	8	2838	21 Aug 2019
13	Ugarin M.V. (Maksim Ugarin)	6	7	8	0	8	5512	22 Aug 2019
14	Osipova T. (Mirt)	6	33	7	8	15	1535	21 Aug 2019
15	Yakovlev M.V. (MikhailYakovlev535)	2	115	7	0	7	300	20 Aug 2019
16	Leonov I. (bubets)	5	5	7	0	7	3046	21 Aug 2019
17	Igumnov (HermanI)	5	5	7	0	7	5869	21 Aug 2019
18	Zvorykin D.A. (migdal-or)	5	22	6	15	21	2067	21 Aug 2019
19	Bangga E.N. (metalhacker)	5	9	6	1	7	1987	21 Aug 2019
20	Yartsev Yu. (Yury66)	3	64	6	0	6	687	20 Aug 2019
21	>Bartsev (shurets)	4	4	5	23	28	3946	22 Aug 2019
22	Balbekov A.G. (NtFire)	2	84	5	0	5	323	21 Aug 2019
23	Pantileenko D. (iriswind1)	2	86	5	0	5	364	21 Aug 2019
24	ivanov I.I. (godmother)	3	6	5	0	5	2832	21 Aug 2019
25	Yanin M.Yu. (Mikhkha)	2	6	4	5	9	4712	21 Aug 2019
26	Fokin A. (Vizitor )	3	184	4	2	6	39	18 Aug 2019
27	Novikov (PNA921)	1	87	4	0	4	363	18 Aug 2019
28	Pavlyuk (Pashka_T)	3	51	4	0	4	944	21 Aug 2019
29	Kiseleva E. (Kiselena)	2	34	4	0	4	1376	21 Aug 2019
30	Golubeva (Sutie)	3	31	4	0	4	2382	21 Aug 2019
31	Sigankov V.I. (vasilyvanc)	1	192	3	0	3	40	20 Aug 2019
32	Vasilevskaya E.A. (kattiks)	2	129	3	0	3	137	21 Aug 2019
33	Buldenkov D.A. (eXeQuThor)	1	121	3	0	3	161	21 Aug 2019
34	Burdenko Ya. (Bsl)	1	35	3	0	3	1267	22 Aug 2019
35	Kuydinov D. (sh4rk717)	2	4	3	0	3	6979	21 Aug 2019
36	Halynskaya V. (VolhaH)	1	15	2	0	2	2110	20 Aug 2019
37	skakova (diaska)	1	4	2	0	2	4956	19 Aug 2019
38	Poltorakin R. (Fanc1k)	2	2	2	0	2	8753	21 Aug 2019
39	Chudinov E.A. (Eduard1977)	1	1	2	0	2	8808	21 Aug 2019
40	Shpargala M.І. (Shpargala)	1	1	1	13	14	4659	21 Aug 2019
41	Gnusov L.Yu. (Delan)	1	11	1	10	11	2394	21 Aug 2019
42	Gajchuk A.S. (asgaychuk)	1	78	1	0	1	390	20 Aug 2019
43	Neboronov M.M. (maksoooun)	1	67	1	0	1	548	20 Aug 2019
44	Yuri_T Y. (Yuri_TTT)	1	53	1	0	1	825	21 Aug 2019
45	Popov S.V. (PopovSV)	1	32	1	0	1	1848	21 Aug 2019
46	Denisov S.I. (Barmaleyka)	1	1	1	0	1	12179	22 Aug 2019
47	Il'in (derevolaz7)	1	1	1	0	1	12183	19 Aug 2019
48	Borisova E.A. (Bory)	1	1	1	0	1	12188	21 Aug 2019
49	Kostyuchenko N. (4e_Guevara)	0		0	27	27	3583	21 Aug 2019
50	Stepanov M. (matthewz)	0		0	27	27	7628	21 Aug 2019
51	Brzezicki (Neroxman)	0		0	25	25	4479	21 Aug 2019
52	Tul'chinskij (ArGintum)	0		0	23	23	4429	19 Aug 2019
53	Kazhuro V.V. (Vitaly_Kazhuro)	0		0	19	19	4710	17 Aug 2019
54	S A. (anna_sss)	0		0	17	17	4478	18 Aug 2019
55	Kozlova E. (katerinka7895)	0		0	17	17	4480	21 Aug 2019
56	Baskakova M. (baskak)	0		0	17	17	4481	21 Aug 2019
57	Maslennikova E.A. (ka_ma2002)	0		0	17	17		22 Aug 2019
58	Zabaluev (TimZab)	0		0	16	16	4711	21 Aug 2019
59	Savchenko M.S. (vodokolaz)	0		0	15	15	4640	21 Aug 2019
60	Ivanov (Umxo)	0		0	14	14		19 Aug 2019
61	Chorna (che_katt)	0		0	13	13	4853	21 Aug 2019
62	PL (Galat)	0		0	13	13	4854	22 Aug 2019
63	Disve (Aspidstyle)	0		0	13	13	7625	21 Aug 2019
64	shabkhatov A.B. (assylzhan)	0		0	11	11	5122	20 Aug 2019
65	Tulupov A.A. (Marselit)	0		0	11	11	5123	21 Aug 2019
66	Gapanovich P.A. (drestar1)	0	88	0	10	10	341	20 Aug 2019
67	hopk86hh256 (user68834765)	0		0	10	10	5426	18 Aug 2019
68	Ordzhonikidze O.I. (Arsalan112)	0		0	10	10	5427	21 Aug 2019
69	Tolochenko (Inrina)	0		0	9	9	5596	18 Aug 2019
70	Stydenko (ket-radistka)	0		0	9	9	5597	19 Aug 2019
71	Dmitrij (Dmitrij Ivanovich)	0		0	9	9	5598	21 Aug 2019
72	Bujko D. (ndvb)	0		0	9	9	5599	21 Aug 2019
73	Reut A.A. (Tuer)	0		0	8	8	5776	21 Aug 2019
74	Umnova (Viktoriya994)	0		0	8	8	8805	19 Aug 2019
75	Caan (Caan)	0		0	8	8		17 Aug 2019
76	d D.D. (ninenine)	0		0	7	7	5979	20 Aug 2019
77	Lukin (Babuin)	0		0	7	7	5980	21 Aug 2019
78	Klimisha (PakManH)	0		0	7	7		20 Aug 2019
79	valera (valera12.97)	0		0	7	7		16 Aug 2019
80	Buruyane I.V. (Restlin1212)	0		0	6	6	7624	18 Aug 2019
81	Kulakova (K_KET)	0		0	6	6	7934	21 Aug 2019
82	Gadzhiev (RamilGad)	0		0	6	6	8804	19 Aug 2019
83	Kaprielov D. (MagicDuck)	0		0	5	5	6976	20 Aug 2019
84	Orlov D. (dimaorlov1995)	0		0	5	5	6977	21 Aug 2019
85	Khmylev K.V. (kir25)	0		0	5	5	6978	21 Aug 2019
86	Y M.L. (Ahn`Qiraj)	0		0	5	5	8806	21 Aug 2019
87	Rodionov N.M. (Rnick)	0		0	5	5		16 Aug 2019
88	Basov (artembass88)	0		0	5	5		15 Aug 2019
89	Memetor (Eryndiw)	0		0	5	5		17 Aug 2019
90	Aleksandrov D. (bhjk)	0		0	5	5		16 Aug 2019
91	Pavlov (Dr.Zero)	0		0	4	4	7626	19 Aug 2019
92	Kolomiytseva A.V. (Stolfer)	0		0	4	4	7627	19 Aug 2019
93	Kuzminchuk S.D. (Mr.Lucifer)	0		0	4	4	7629	20 Aug 2019
94	Atamanchyk (Atamanchyk)	0		0	4	4	7630	21 Aug 2019
95	Pomaleyko S. (stanislav.pomaleyko)	0		0	4	4	7923	21 Aug 2019
96	Efimov D.I. (daniiiil)	0		0	4	4	7936	21 Aug 2019
97	Nazarenko (someday)	0		0	4	4		15 Aug 2019
98	Schetinina Yu. (Julea)	0		0	3	3	7919	17 Aug 2019
99	Lushkin I.M. (arhangel48)	0		0	3	3	7920	21 Aug 2019
100	Svirepa A.A. (antonsvirepa)	0		0	3	3	7921	18 Aug 2019
101	Zhuravko S. (Sveta17)	0		0	3	3	7922	19 Aug 2019
102	Rakovskiy A.N. (ARSDEV)	0		0	3	3	7924	18 Aug 2019
103	E A.A. (Ryuch)	0		0	3	3	7925	20 Aug 2019
104	Dolgopolov (Xlopushka123)	0		0	3	3	7926	19 Aug 2019
105	SSS (malamut_odessa)	0		0	3	3	7927	21 Aug 2019
106	Shutyak (M@rio07)	0		0	3	3	7928	20 Aug 2019
107	Autushka (V.Aut)	0		0	3	3	7929	20 Aug 2019
108	Tikhon V. (tikhonvi)	0		0	3	3	7930	20 Aug 2019
109	V (snejka)	0		0	3	3	7931	20 Aug 2019
110	Sidorov V. (Lolology)	0		0	3	3	7932	20 Aug 2019
111	Olexander (Uchen_oab1976)	0		0	3	3	7933	21 Aug 2019
112	Strannaya (learner25)	0		0	3	3	7935	21 Aug 2019
113	Orekhova S.O. (rezelput)	0		0	3	3	7937	21 Aug 2019
114	Ramantsevich D.A. (dramantsevich)	0		0	3	3	7938	21 Aug 2019
115	Soroka M.Yu. (sorokax)	0		0	3	3		19 Aug 2019
116	Klyuchnikov A.V. (klyuchnikov.a)	0		0	3	3		16 Aug 2019
117	Kasatkina A.O. (olen13)	0		0	3	3		21 Aug 2019
118	Alborov K.R. (albor)	0	63	0	2	2	611	21 Aug 2019
119	Bekh S.V. (BekhSergey)	0		0	2	2	8807	20 Aug 2019
120	Kapusta A.S. (kapusta_3121)	0		0	2	2		21 Aug 2019
121	Sosedova O.S. (ollya_so1)	0		0	2	2		16 Aug 2019
122	Ceaicovschii V. (ch1konia)	0		0	1	1	12177	18 Aug 2019
123	Solov'ev S.D. (day28)	0		0	1	1	12178	21 Aug 2019
124	Sedov (WALERIO)	0		0	1	1	12180	21 Aug 2019
125	Polyakov (mr.Sqwer)	0		0	1	1	12181	19 Aug 2019
126	Sokolova I.Yu. (Irina_13)	0		0	1	1	12182	19 Aug 2019
127	Tsymbaliuk A. (nospareusernames)	0		0	1	1	12184	20 Aug 2019
128	Belousova A. (AlexaAlexa)	0		0	1	1	12185	20 Aug 2019
129	Yatsenko M. (Kal11amba)	0		0	1	1	12186	20 Aug 2019
130	Kashkina M. (Mary_K1)	0		0	1	1	12187	20 Aug 2019
131	Kabak (tatianium)	0		0	1	1	12189	20 Aug 2019
132	Stepeka M. (MilaSt)	0		0	1	1	12190	22 Aug 2019
133	Vitko A.V. (Alena V)	0		0	1	1	12191	21 Aug 2019
134	Krivel (krvl)	0		0	1	1	12192	20 Aug 2019
135	Volynov (correct125)	0		0	1	1	12193	22 Aug 2019
136	Safarov Sh.D. (shahboz)	0		0	1	1	12194	21 Aug 2019
137	Grinenko V.E. (curses)	0		0	1	1	12195	21 Aug 2019
138	Pereponov A. (3yd)	0		0	1	1	12196	21 Aug 2019
139	Goreslav (garikyarik)	0		0	1	1		21 Aug 2019
140	Alifanov M. (imnotmaddy)	0		0	1	1		16 Aug 2019

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