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September 02, 13:02 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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Today statistics

nLog - number of logins;
nSelEx - number of select exercises solved today;
lastEx - number of last select exercise solved;
nDmlEx - number of dml exercises solved today;
Scores - sum of points on the exercises solved today (select and dml);
numLrnEx, LrnScores - number of exercises solved today and sum of points on learning stage

No	Surname	nLog	nSelEx	lastEx	nDmlEx	Scores	numLrnEx	LrnScores
1	Tsybin A.V. (magicdragon)	2	1	36	1	4
2	Shibaev (saah)	1	1	68		3
3	Berezovskaya O. (Rocksolana)	1	1	3		2
4	tykva P. (soda)	1					15	26
5	Nikitin T.E. (Now2Where)	1					15	26
6	Kejl D. (kdanl)	1					15	21
7	Kozitskij V.S. (podguZZZnik)	1					15	21
8	Tabolina O.M. (ksyusha667)	1					15	20
9	Batylin I.I. (ehrmantraut)	1					15	20
10	Leont'evskij D.Yu. (Denis__20)	1					11	19
11	m D.A. (SQLster)	2					15	18
12	Grishkova (Overbyaka)	1					11	15
13	Piotka V. (Pilotich)	1					ban	ban
14	Kuz'menko (ma0kuz)	1					8	13
15	ArsenalVItek V.V. (ArsenalVItekLOL)	2					7	11
16	Hughes (SindbadTheSailor)	2					7	9
17	Purbuev B.Z. (PurbuevBulat)	2					5	9
18	Davidenko (avanpost492)	1					7	8
19	Mardanov A. (Azhbertovs)	1					6	8
20	Voropaev A.A. (Dizelniy)	2					6	7
21	Shatokhin D.O. (pepepedadada)	2					6	7
22	Romanov D.S. (aza9aza)	1					6	7
23	DMRITsD (TheCupOfMagic)	1					5	7
24	Lyashenko A. (aalyashenk)	3					6	6
25	Borisov V.S. (narcopolo)	1					5	6
26	Guschin I. (IgorZadachkin)	1					4	6
27	Bashkirov V.Yu. (Go gora)	3					3	6
28	pops P.P. (emiu)	2					5	5
29	Amel'chenkov M. (ytcn)	2					5	5
30	Smyk T.A. (Tamerlyn)	2					5	5
31	Sindyakov I.A. (Tsar' loutaba)	2					5	5
32	Babranikov A.A. (Unsterblich228)	2					5	5
33	Lamonov Ya.I. (hecker_floppa)	1					5	5
34	Zhivilova S. (zhivilova)	1					5	5
35	Yakovleva O.A. (Rybka_123)	1					5	5
36	Mel'nikova V.A. (LokiV)	1					5	5
37	Reznikov I.E. (banan_09)	1					5	5
38	R N.A. (Droma)	3					4	5
39	Shil'chenkov M.A. (msmshilchenkov)	1					4	5
40	Romanov N.A. (LgcCore)	1					4	5
41	Surname (Void_107)	1					ban	ban
42	neletko Y.B. (sxlava)	3					4	4
43	sower Q.Y. (deeeeee)	2					4	4
44	Kychkov D.S. (Demanozr)	2					4	4
45	Kirejchik S.A. (yabloko)	2					4	4
46	Maslakova O. (Nyx_888)	2					4	4
47	Al'vares R.O. (Abobusniev)	2					4	4
48	Vasenin M.A. (Renevo)	2					4	4
49	semenov D.E. (znez999)	2					4	4
50	Detroit (Gibraltar)	2					4	4
51	Tokan (KAINARIO)	1					4	4
52	Boboev F.F. (Farzod123)	1					4	4
53	Shuginin Yu. (der_Spielmacher)	3					2	4
54	Goldobin E.G. (prm259)	2					2	4
55	Klochko T. (radoxa)	2					2	4
56	Bilyj (DenTob)	2					2	4
57	Gilazova A.N. (Alishulya)	1					2	4
58	Khokhlov (TermiDD81)	1					2	4
59	Komissarov E. (Lalafa1)	1					2	4
60	grigor D.E. (choso)	3					3	3
61	DDTYJIJ1 D.D. (DDTYJIJ)	2					3	3
62	Choporov I.A. (ivan choporov)	1					3	3
63	Shmorgun G.S. (BrhQ2YH7)	1					3	3
64	Lozovoj G.V. (HoroL)	1					3	3
65	Sargsyan T.A. (uhqf)	1					3	3
66	Zambalaeva M.V. (Maria642)	3					2	3
67	Shishimorov I.A. (van_)	2					2	2
68	Grzhegorzhevskij A. (dontrapano)	2					2	2
69	Melkozernova (asdwe)	1					2	2
70	Esk'yuel' D. (wlkr4sh)	1					2	2
71	Potuschev E. (John016)	1					2	2
72	aa (axaxax)	1					2	2
73	Naif G. (kiderarogSQL)	1					2	2
74	Gnetetskaya P. (Polina_gn)	3					1	2
75	Ivanova O.N. (olga_ivanova)	1					1	2
76	Beketov (becat)	1					1	2
77	Pavlov M.A. (firestormer)	1					1	2
78	SIbagatullina (solnyshko199)	1					1	2
79	Van der Vin P.V. (DestroEdinson)	1					1	2
80	Berseneva T.M. (Bersa_3785)	1					1	2
81	Larionov S. (folter)	1					1	2
82	Pupkin (ChK2026)	1					1	2
83	Bocharnikova A.A. (Aleena22)	1					1	2
84	Petsgol'dt P.K. (Pavel1PK)	1					1	2
85	Sklyarov A.M. (DataRadist)	1					1	2
86	Potapov (SportClub)	1					1	2
87	Bektashev I.V. (ilven10)	1					1	2
88	shlyxa (stariy_bog)	3					1	1
89	Tyurin A. (AnySkyF)	2					1	1
90	Grebenyuk A.A. (Snorax)	2					1	1
91	Loksik A.A. (LoXxik)	2					1	1
92	Ivan V.I. (saintegglant)	2					1	1
93	Konovalov Ya.M. (jnssportplus)	2					1	1
94	Cherepanova A.R. (Alexandrina1.0)	1					1	1
95	Vasil'ev (GudiniMoonlight)	1					1	1
96	Kokorin (Eteroton)	1					1	1
97	Urakina K. (Ksu774)	1					1	1
98	Tynybekova G.R. (Gulaisha)	1					1	1
99	Lyakh (LinaL_)	1					1	1
100	Fedorov (F0ll)	1					1	1
101	stepanov (runparom)	1					1	1
102	resq (resq)	1					1	1
103	Tsybart V. (varki)	1					1	1
104	Ustuzhancev M.Z. (Empire_Kvartz)	1					1	1
105	Koptel'tsev V. (selber)	4
106	abc A.A. (67676)	3
107	Sarkis'yan G. (gennadi_s)	2
108	Pavlov I.A. (WhiteCat110)	2					ban	ban
109	Arakcheeva P.R. (Ara_888)	2
110	Korolev R.V. (zouker)	2
111	Pitcil (fallsin)	2					ban	ban
112	Tazetdinov R.S. (ridik_k)	2
113	Salikhov R.A. (Ruzik707)	2
114	L (LiliiaX)	2
115	Perfil'ev I.V. (HexQ9)	2
116	Pashov M.A. (student matyaj)	2
117	Dernov A.A. (pantera_5267)	2
118	. P... (phaycon)	2
119	Krasovskij E.A. (pegoopik)	1
120	Bryukvina O.Yu. (Findus)	1					ban	ban
121	Izotova V.S. (Zlyusya)	1
122	Karavaev A.S. (karavaev_as)	1
123	Kolesnikov N.Yu. (MrflaSh)	1
124	Fedotov A.A. (alexxfed20)	1
125	Nagovitsin E.V. (bakawolf)	1
126	Abdulmanapov A. (Dvarik)	1
127	Vasil'tsov A. (UltraSkill_2000)	1
128	Trifonov V. (Vadimtvt)	1
129	Markson A.A. (FriendOfDarya)	1
130	Tararin D. (TDV)	1
131	Klokov S.A. (JUSSIAR)	1
132	darkqueen (darkqueen)	1					ban	ban
133	Kitaev K.I. (Kostas1234)	1					ban	ban
134	Altunashvili J.A. (jangira89)	1
135	Khajrullin Yu.R. (User201122)	1
136	Rad V.I. (Vlaid)	1
137	Abdullaev (Artas)	1
138	Veres (Landa88)	1
139	Skokov B.S. (leks$$)	1
140	Maltsev D.A. (danil_mlts1)	1
141	Malinovskaya I.M. (irina_malina)	1
142	Musin A.R. (Azat3007)	1
143	Kokoulina E.A. (janekoko)	1					ban	ban
144	Zheludkov S. (zhsvyach)	1
145	Karaseva A. (Anechka88)	1
146	R. (Wra1th)	1
147	Novikov M.R. (novikov2050)	1
148	Anisimov (ArturenciA)	1					ban	ban
149	Lysykh V.K. (Usilitel')	1
150	Akameeva S.V. (SVA1)	1
151	Sedun A.A. (antoshaSQL)	1
152	Tarikuliev Sh.K. (Verkhovod)	1
153	Kuznensov A. (kuznec4life)	1
154	Bekeev (_bekonec_)	1
155	Zhagbaeva D.D. (odn-dami)	1					ban	ban
156	Bogatyrev N.V. (BNV2873)	1					ban	ban
157	Mikheev V.E. (akaza78)	1
158	Stikentzin D. (Aliandr)	1
159	Kyroto1 A. (Kyroto)	1
160	Tsybulaev D.A. (pncttm)	1
161	Antonova (Elena_No)	1
162	Burtonov A.V. (tak to)	1					ban	ban
163	Levin Yu.A. (pdestroyer)	1
164	edmond2 (edmond2)	1
165	Astrelina D. (smiling_corgi)	1
166	New R.G. (newLogin)	1
167	Bezmolitvennaya Yu.V. (yillixx)	1
168	Bezuglenko (artem_enotenko)	1
169	Koala2 (Koala2)	1
170	Nesterov D.A. (saha909)	1
171	Belousov E. (Evgen441)	1
172	Mal'tsev V.O. (monsterlolit)	1
173	hasanli S.H. (samed!)	1
174	Nebol'sin N.A. (Gripenll)	1
175	Kajlachakov M. (MikeKyle)	1
176	Matvienko I.V. (bigboss2002)	1
177	pes P.P. (bonybek)	1					ban	ban
178	pes P.P. (pes435232423)	1					ban	ban
179	POshlyak A.P. (coch)	1
180	Rybina D.S. (Diana Rybina)	1
181	Kulikova E.A. (Elvira_kulikova)	1
182	Gurov A.P. (Gurov Anton)	1
183	Demchenko M.A. (Demchenko mariya)	1
184	Burkit E.B. (erkhannnum)	1
185	Mitrofanova (JulKnk)	1
186	Kusyakina I.V. (oiwei)	1
187	Kovtun A.Yu. (sillygoosegagaga)	1
188	m D.A. (SQL670)	1
189	qqqq Q.Q. (ruewn322)	1
190	artemmabon2000 A.S. (artemmabon)	1
191	Dimant Y. (Dimant)	1
192	Unregistered	33

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