Last week rating | SQL Exercises

August 19, 08:27 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)
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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: 11776

No	surname	n_sel	sel_all	sel_scores	dml_scores	scores	rating	last_visit
1	Belov (mbelov1567)	17	43	32	0	32	1023	19 Aug 2017
2	L'vova M. (mlvova)	17	24	21	27	48	1630	18 Aug 2017
3	Smirnov A.S. (vvorkandrey)	10	50	20	0	20	887	18 Aug 2017
4	Dodonov V.E. (Vladislav Dodonov)	8	40	19	0	19	1054	16 Aug 2017
5	Aliev R. (y4nzi)	7	139	18	0	18	131	18 Aug 2017
6	Vasilevskaya E.A. (kattiks)	9	51	18	0	18	863	18 Aug 2017
7	Vinogradova S.M. (Tigra1)	5	79	10	0	10	366	19 Aug 2017
8	Kozlova M. (Auriga_dorado)	2	120	9	0	9	148	18 Aug 2017
9	Plugin V. (Basilik)	4	51	8	0	8	808	18 Aug 2017
10	Kukushkin S.A. (smog)	2	221	6	0	6	12	18 Aug 2017
11	Leschyov S.V. (SPMV)	3	116	6	0	6	186	13 Aug 2017
12	chernyaev R.Yu. (Svenfischer1988)	4	12	6	0	6	2437	18 Aug 2017
13	ganisetti A. (ganisetti)	5	6	6	0	6	5444	18 Aug 2017
14	Grishunin M.F. (MikhailFG)	1	138	5	0	5	124	18 Aug 2017
15	Polyakov A.I. (Alexander Green)	2	58	5	0	5	749	15 Aug 2017
16	Krasovskij E.A. (pegoopik)	1	259	4	0	4	1	18 Aug 2017
17	Grishaev P.B. (Pavel Borisovich)	3	8	4	0	4	5132	14 Aug 2017
18	Maria (Gnommi Mari)	1	66	3	10	13	497	16 Aug 2017
19	Kashevarov A.V. (A.Kashevarov)	1	72	3	0	3	467	18 Aug 2017
20	Ushakov G.A. (genush)	1	59	3	0	3	654	18 Aug 2017
21	Savin A.Yu. (mirovingin)	1	36	3	0	3	1176	18 Aug 2017
22	Kornievskiy A. (kottofey)	2	2	3	0	3	7448	18 Aug 2017
23	Ushakov O.N. (uon)	1	110	2	0	2	205	15 Aug 2017
24	Arzamasov M.A. (Michael.Arz)	2	70	2	0	2	473	12 Aug 2017
25	Mikhajlov A. (RainBowAM)	1	41	2	0	2	974	18 Aug 2017
26	Dyakonova E. (SiberianGirl)	1	36	2	0	2	1067	14 Aug 2017
27	Trofimov A.V. (jacksql)	1	38	2	0	2	1645	17 Aug 2017
28	Kuryshev S. (muzmov1)	2	2	2	0	2	3209	14 Aug 2017
29	Kovalyov P.A. (Hodges)	1	17	2	0	2	3886	16 Aug 2017
30	Akulov D.S. (rait)	2	2	2	0	2	6139	18 Aug 2017
31	Spatar' A.I. (killofwrathx)	1	1	2	0	2	7591	18 Aug 2017
32	Kulagin N.A. (Zzzadruga)	1	4	1	0	1	3052	18 Aug 2017
33	Igina D.V. (newdushes8946)	1	4	1	0	1	3058	18 Aug 2017
34	Ex (lokxy)	1	19	1	0	1	3751	15 Aug 2017
35	Globenko A.A. (sassha_globenko)	1	1	1	0	1	6670	14 Aug 2017
36	Strelkov B. (BStrelkov)	1	2	1	0	1	8419	17 Aug 2017
37	Makarevich A. (Anya_M)	1	1	1	0	1	8447	18 Aug 2017
38	Kirianov A.A. (a.kirianov.pflb)	0		0	20	20		16 Aug 2017
39	Popov M. (shashasha)	0		0	19	19	8438	18 Aug 2017
40	Skripnikov R. (Roman Skripnikov)	0		0	17	17		17 Aug 2017
41	Sapronova O. (Sanya27)	0		0	14	14		18 Aug 2017
42	Talaschenko N. (Nikita T.)	0		0	11	11		16 Aug 2017
43	Kravtsov (kotovik)	0		0	11	11		15 Aug 2017
44	Burchak V.V. (Vika2109)	0		0	11	11		14 Aug 2017
45	Mammadzadeh A.F. (Araz1992)	0		0	11	11		18 Aug 2017
46	Kononenko E. (Lenny2796)	0		0	11	11		15 Aug 2017
47	Danilovets E.A. (danilovets)	0		0	9	9		17 Aug 2017
48	Soshnikova O. (Burbonya)	0		0	9	9		13 Aug 2017
49	Kuznetsova O. (krapivka)	0		0	9	9		18 Aug 2017
50	Shengelaya D. (david_)	0		0	9	9		14 Aug 2017
51	Tyndik L.M. (Lida202000)	0		0	9	9		16 Aug 2017
52	Svitoy S. (slpnk)	0		0	9	9		17 Aug 2017
53	Fadeev A.A. (Andrej9966)	0		0	9	9		12 Aug 2017
54	Rom M. (mromaniv)	0		0	9	9		12 Aug 2017
55	Picovets I. (Igor_123qwe)	0		0	9	9		15 Aug 2017
56	Tsarenko (malukk)	0		0	9	9		16 Aug 2017
57	Stone (SeriousAlexej)	0		0	9	9		12 Aug 2017
58	Shkarednyj (Gosha)	0	133	0	8	8	137	18 Aug 2017
59	Bocharova (bocharovadm)	0		0	8	8		18 Aug 2017
60	Khitrov S.F. (Semka_H)	0		0	8	8		16 Aug 2017
61	Leshchuk A. (aleksey_gl)	0		0	8	8		15 Aug 2017
62	Lasitsa E.A. (Geka)	0		0	8	8		17 Aug 2017
63	Navarko A. (Alina_nav)	0		0	7	7		17 Aug 2017
64	Shavel' M.A. (7777Masha7777)	0		0	7	7		16 Aug 2017
65	Shimon T.V. (Tetyana2803)	0		0	7	7		12 Aug 2017
66	Shapranov I. (leningrib)	0		0	7	7		12 Aug 2017
67	Val'ko S. (Vserge)	0		0	7	7		16 Aug 2017
68	ptashnyk (ptah12)	0		0	7	7		12 Aug 2017
69	Kanzhov A.A. (Kanzhovpapa)	0		0	7	7		13 Aug 2017
70	mazanik (mazanik)	0		0	7	7		17 Aug 2017
71	Kovgan N.I. (Kovgan)	0		0	7	7		17 Aug 2017
72	Ermak (prochnist-alex)	0		0	7	7		14 Aug 2017
73	Prozorova M. (Billona Faither)	0		0	6	6		14 Aug 2017
74	Vorozhtsova (Varvara1)	0		0	6	6		17 Aug 2017
75	Onuchak R.M. (Steppenwolf)	0		0	6	6		13 Aug 2017
76	Borisov D.V. (RyanGosling)	0		0	6	6		15 Aug 2017
77	Vladov V. (Gtufc)	0		0	6	6		18 Aug 2017
78	Namak N. (tinho)	0		0	6	6		18 Aug 2017
79	Rakhov (Angstrem)	0		0	5	5	7582	18 Aug 2017
80	Labasou J. (Juras)	0		0	5	5		12 Aug 2017
81	Zilig (Yul_sql)	0		0	5	5		13 Aug 2017
82	Avsyukevich V.V. (senzhermen)	0		0	5	5		16 Aug 2017
83	Filippova V. (mariartywoxx)	0		0	5	5		17 Aug 2017
84	Fursov M.G. (mishaf)	0		0	5	5		18 Aug 2017
85	ruslan (ruslan_kh)	0		0	5	5		16 Aug 2017
86	Sidorov S.S. (Ivan Petrovich)	0		0	5	5		13 Aug 2017
87	Guzhva N.A. (Nadia17)	0		0	5	5		18 Aug 2017
88	Zhizhchenko (another_one)	0		0	5	5		18 Aug 2017
89	Muravitskij D.A. (Dmitrij Muravitskij)	0		0	5	5		18 Aug 2017
90	Mosur T.V. (tatianamosur)	0		0	5	5		13 Aug 2017
91	Voloshina K. (Katerinasmile)	0		0	4	4		13 Aug 2017
92	Horbenko A. (AnastasiiaG)	0		0	4	4		16 Aug 2017
93	Ivanova (AGPetrovna)	0		0	4	4		18 Aug 2017
94	Dudas M.І. (Mariya12345)	0		0	4	4		12 Aug 2017
95	Vegas (JackVegas)	0		0	4	4		18 Aug 2017
96	Kovalev N.V. (kovaliov_n)	0		0	4	4		13 Aug 2017
97	Abramovich V.Ya. (sqlchmo)	0		0	4	4		18 Aug 2017
98	Koloskov S.S. (Kpa$av4ik)	0		0	4	4		18 Aug 2017
99	Ivanov D.M. (nailchik23)	0		0	3	3		15 Aug 2017
100	Chesnokov M.S. (VinniL)	0		0	3	3		18 Aug 2017
101	Bugaenko (koSha1308)	0		0	3	3		18 Aug 2017
102	Biletskaya Ya.V. (dj.worship)	0		0	3	3		16 Aug 2017
103	Degtiarova I.V. (Innade)	0		0	3	3		12 Aug 2017
104	Morozov O. (valenok123)	0		0	3	3		18 Aug 2017
105	Podgornyj A. (Podgorny)	0		0	3	3		18 Aug 2017
106	asd (m4k5im)	0		0	3	3		16 Aug 2017
107	Kogan I. (astrsky)	0		0	3	3		18 Aug 2017
108	Gul A. (Anitta)	0		0	3	3		16 Aug 2017
109	Shkvir Ya.V. (25Yara25)	0		0	3	3		12 Aug 2017
110	Biyak S.I. (serjbiyak)	0		0	3	3		13 Aug 2017
111	Zadorozhnyj (dmbitrbik)	0		0	3	3		13 Aug 2017
112	Demchenko (Vadym_D)	0		0	3	3		14 Aug 2017
113	Tsvigun (Irina141996)	0		0	3	3		15 Aug 2017
114	Patrikeev (oleja3000)	0		0	3	3		17 Aug 2017
115	karanwal A.K. (anshul_k_k)	0		0	3	3		17 Aug 2017
116	Mosejchuk M.P. (MossyChuck1)	0		0	3	3		16 Aug 2017
117	Sulejmanova (_Nikita_)	0		0	3	3		15 Aug 2017
118	Petrova M. (mavortep)	0		0	3	3		15 Aug 2017
119	Yanson A.G. (Arrs)	0		0	2	2		19 Aug 2017
120	Zapivaylo S.Z. (Zapik)	0		0	2	2		16 Aug 2017
121	Zhigarev M. (Smile13)	0		0	2	2		17 Aug 2017
122	Tishkevich (Nickname_myname)	0		0	2	2		13 Aug 2017
123	Evlanova A. (evlaha)	0		0	2	2		18 Aug 2017
124	pryhidko V. (victor7pryhidko)	0		0	2	2		18 Aug 2017
125	Yakovlev V.A. (Vitaliy Yakovlev)	0		0	2	2		18 Aug 2017
126	Ivanov (Jakimarr)	0		0	2	2		18 Aug 2017
127	P (Olga_Pec)	0		0	2	2		17 Aug 2017
128	Gaynutdinova A.G. (Alsougen)	0	1	0	1	1	8140	17 Aug 2017
129	Lesnik (m_fiend)	0		0	1	1		14 Aug 2017
130	Lyzin A.I. (Lewkakartowka)	0		0	1	1		14 Aug 2017
131	Burtsev V.O. (REspectPick=))	0		0	1	1		14 Aug 2017
132	Borovkov S.V. (Skullsplitter)	0		0	1	1		14 Aug 2017
133	hava (vamsihava)	0		0	1	1		15 Aug 2017
134	Kovyr'yanova E.V. (Ekaterina1710)	0		0	1	1		12 Aug 2017
135	cbolota C.C. (cbolota1)	0		0	1	1		15 Aug 2017
136	Korolev (qwerty3321)	0		0	1	1		18 Aug 2017
137	Karlinov (Volzhanin)	0		0	1	1		14 Aug 2017
138	D'yachenko R.Yu. (r_mamont)	0		0	1	1		14 Aug 2017
139	Kuz'min (mrpin)	0		0	1	1		17 Aug 2017
140	arman (Geniosi)	0		0	1	1		12 Aug 2017
141	Grig (Alwex)	0		0	1	1		17 Aug 2017
142	Stepanov M. (Pussy_Destroyer)	0		0	1	1		18 Aug 2017
143	Kharitonov P.A. (palik_dewival)	0		0	1	1		17 Aug 2017
144	Babaev V.N. (Vadim1995)	0		0	1	1		17 Aug 2017
145	Tokareva (CaptNat)	0		0	1	1		18 Aug 2017
146	milmil (milmilokok)	0		0	1	1		16 Aug 2017
147	T. (Yurij11)	0		0	1	1		17 Aug 2017
148	Prykhodchenko K. (Khrystyna555)	0		0	1	1		14 Aug 2017
149	Ivanov N.V. (Nick94)	0		0	1	1		17 Aug 2017
150	Takushevich (Anna_89)	0		0	1	1		17 Aug 2017

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