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April 19, 19:53 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	Odnokurtsev (AlFochino)	1	2	100		7
2	M (DanilM2304)	9	3	44		5
3	Sarkis'yan G. (gennadi_s)	4	1	198		2
4	Gusev A.O. (NowOrNever)	2			1	2
5	Tolstykh D.S. (saltykovadara)	1			2	2
6	Random (quack_quack)	2	1	2		1
7	Konson (SQL-starter-pack)	7					15	26
8	Sergeeva K.G. (ksmiddlemist)	1					15	24
9	Safonov (pupupum)	1					15	24
10	Inchworm (Inchworm123)	1					15	23
11	Kudryavtsev E.M. (BlackFoo)	2					14	22
12	Terekhov G. (H_Terehov)	2					13	22
13	Khvischuk B.V. (23418)	1					12	21
14	Alex A. (alexxx82429811)	1					15	20
15	Khukhorova A.D. (Ahyhonyaa)	3					15	18
16	Vorikov A.O. (vimer04)	1					15	18
17	Sargsyan Y. (thisismynickname111)	1					15	18
18	Chetverikov D.A. (zzwwaann)	1					8	16
19	Babaev R.R. (ChupaPupsik)	1					9	15
20	Isakov L.I. (LevIsa228)	1					10	14
21	Novikov L.G. (leovikov)	2					10	13
22	Bocharova V.E. (Malvisa)	3					9	13
23	Murzabekov M.Kh. (Magich)	1					9	13
24	R (aaahzhz)	1					8	13
25	Kekov N.M. (EtaKto)	2					9	12
26	Fedorov K. (kira q)	2					ban	ban
27	Ursalov G.O. (J0ug__)	2					9	11
28	Filippova K.S. (rogedeerk)	1					6	11
29	Paleva V.V. (valeri29)	2					8	10
30	Royanov (bagdoss)	1					6	10
31	s S.S. (lelouchx)	2					5	10
32	Akimov (TRENXSER)	1					5	10
33	zaz (serezh)	4					7	9
34	Morozov G.A. (Morozz2222)	2					7	9
35	Chernov I.A. (LegionOfWolves)	2					7	9
36	Kostylev (bobirechek)	2					5	9
37	babka (rosolka)	2					5	9
38	Rakova V.R. (veronika_rakova)	1					5	9
39	Anikeev E.A. (egooooooor)	1					5	9
40	Kovalev (Daniil2307)	1					ban	ban
41	Popov (sqleralias)	1					5	8
42	Koshelev (CD7567)	1					6	7
43	Kim K.S. (lumbersh)	1					6	7
44	Yumagulova E. (hrae_)	1					5	7
45	Mel'nikov E.A. (Evgeniy_2.0)	1					5	7
46	Sajfetdinov A. (psql_magic)	1					5	7
47	Konstantinov -.-. (vasya132123)	2					4	7
48	Charnetskaya (annaah)	1					5	6
49	Permikina A.D. (Kalisa)	1					5	6
50	Voinkova O. (Ol~)	1					5	6
51	Vasil'ev (dvorakkhv)	2					4	6
52	Mironenko A.V. (capitan[kakao])	2					3	6
53	Tulaikin V. (tulaikinv)	1					3	6
54	Skoll hild (Skoll Hild)	1					5	5
55	Pustovalova T.A. (Tanushka7)	1					5	5
56	Ivanov (user123342)	1					5	5
57	strelchunas I.K. (sd_strelhunas)	1					ban	ban
58	azunai (Azun4i)	1					4	5
59	Komarov V.A. (Yurto)	2					3	5
60	Shvetsov D.Sh. (DanechekSw)	1					ban	ban
61	Familiya I.O. (Aura0)	1					4	4
62	Kamenskij (Nikolaj_Kamenskij)	1					ban	ban
63	SQLMASTER (SQLMASTER1864)	1					3	4
64	Klim (Alex_257443)	1					3	4
65	Zakharova D. (d.armstrong)	2					2	4
66	Dorovskikh V. (vdorov)	2					2	4
67	Narembekov T. (fountaineww)	1					2	4
68	de sad D. (darius de sad)	1					2	4
69	Ivanov I.I. (sql_svinger_double_finger)	1					2	3
70	Auezova (Soul66)	1					2	3
71	Kaliuzhnaya E. (Ella07_85)	1					2	3
72	Rozhkova V.V. (vita_aprel)	1					2	2
73	Basharov R. (ittsg)	1					2	2
74	- -.-. (bsehdjbzxlkjnjkd)	1					2	2
75	Pilin (SAP)	2					1	2
76	Komyakov Yu.V. (dreamersleet)	2					1	2
77	Bystrov F. (FEDORBYST3445)	2					1	2
78	Saez C.F. (cristian_gato)	1					1	2
79	Troshkin (Ismasis)	1					ban	ban
80	Kornilov K.I. (kkornilov)	1					1	2
81	Zajtsev K. (Zaytsev123)	1					1	2
82	solovev A.A. (otom4ik53)	1					1	2
83	Sobolev (SRD_NN)	1					1	2
84	Alek (litvin001)	1					1	2
85	Zaripova E.R. (elinnazr)	1					1	2
86	Avr E.N. (EgAvr)	1					1	2
87	Konovalov (JustUty1)	1					1	2
88	Khuzun (majenel)	1					1	2
89	Skald (RussellSk)	1					1	2
90	Kuznetsov (piktogor)	1					1	2
91	Petrov N.V. (Nick21)	2					1	1
92	Mikaya (Gio9248)	2					1	1
93	Potanina (cuvnichka)	2					1	1
94	Shibaev (saah)	1					1	1
95	Tima S.Y. (Sergey8901)	1					1	1
96	Balkarov I.M. (peckerwood)	1					1	1
97	Aurelius (gineus)	1					1	1
98	Mad'yarov (Ndrix)	1					1	1
99	Biv (BIV99)	1					1	1
100	Fedotov M.S. (mishalin111)	1					1	1
101	Davtyan (Davtiano)	1					1	1
102	Markov M.M. (Kul'minatsiya)	1					1	1
103	Syrbu D.S. (ComedyCenterAudience)	1					1	1
104	Aliev D.A. (neko_glazer)	1					1	1
105	Makarov A.I. (arteleon)	1					1	1
106	Prijmachenko A.A. (Xeigen)	1					1	1
107	NNNN N. (Neversay)	1					1	1
108	Koptel'tsev V. (selber)	4
109	DO R.M. (danchikPi)	3
110	Sairanbek D. . (sairanbek_darkhan)	3
111	Makarov I.A. (_Bkmz_)	2
112	abs V.S. (veron.en55)	2
113	Samojlenko N. (Nadine324)	2
114	Sobolevskaya V.A. (axfomoss)	2
115	Kuz'mitskij Ya.O. (YaroslavYaroslav)	2					ban	ban
116	Vdovin S. (Rujan)	2
117	Shikov V. (Viktor_TG)	2
118		2
119	Komov S.M. (Komov S. M.)	2					ban	ban
120	Kolesnikov S.O. (bulbasaurus)	2
121	Sergeev I.A. (skorodum)	2
122	R. A. (Erayo)	2
123	Swartz A.A. (arnold265)	2
124	Stroeva (Alenkiy_tsvetok)	2
125	Abilda B.E. (batyrslimreaper)	2
126	yafyasov (kyafyasov)	2
127	Kurochkin P.A. (qwrqwr)	1
128	Ivanov I.I. (Boban)	1
129	Krasovskij E.A. (pegoopik)	1
130	Morkovina M. (Ligra)	1
131	litvin (liko1)	1
132	Sigankov V.I. (vasilyvanc)	1
133	Lazareva E. (lea_22)	1
134	Petrova E. (hape22)	1
135	Korkin A. (voron3222)	1
136	Vinokurov V. (dsfAFASF3)	1
137	Boltachev (TonyBolt)	1
138	Kuznetsov V. (mrTvix)	1
139	Petrov V. (tumtum)	1
140	Komarov A.N. (Shveda Saulya)	1
141	popov (rpopov94)	1
142	Litovchenko M.S. (Kapchevich)	1
143	1 V.1. (WZell)	1
144	Kajkova I.V. (ira_kay)	1
145	Kuritsyn V.N. (ValNick)	1
146	absu H. (h0ssein)	1
147	Alekseev I.S. (i.alekseev)	1
148	Isaev V.Yu. (Valer4N1)	1
149	Martsen A.A. (RenStuff)	1
150	Borschovetskij I.N. (Igor2.0)	1
151	Pavlova N. (npavlova)	1
152	Serebryakova E.Yu. (SQLmaster4321)	1
153	Kozyrev M.M. (stefelmax)	1
154	Panicheva V.D. (_Vika_)	1
155	Sury (fatsury)	1
156	Birlyukov K.I. (FIDEMaster)	1
157	Strukov (StrukovSA)	1
158	Pugach (Cattugla)	1
159	Yakhutkina A. (Ramenka)	1
160	Ivanov (userTest1)	1
161	Baskal (Bairal)	1
162	Sokolov A.S. (YasniyHer)	1
163	Kerimov (EniRock)	1
164	Odegov A.I. (KovroLitik)	1
165	R. (Wra1th)	1
166	Burueva (peach_tree66)	1
167	Bueva A.V. (yeeen)	1
168	Stepanov (LexFrom)	1
169	Khramtsov D.A. (khramtsov)	1
170	Yamilov T.I. (tmx)	1
171	Chernov A.V. (Artmenam)	1					ban	ban
172	Lysykh V.K. (Usilitel')	1
173	Gribachev (Nikitylllka)	1
174	Laptev M.S. (Mahmed_tea)	1					ban	ban
175	n (ivverlien)	1
176	Timofeev A.T. (BegginerTex)	1
177	Gidion A.A. (Gidya)	1
178	Krutko (lena_krytko)	1
179	Baranov (Baravla)	1
180	Samarin V.A. (Samarin)	1
181	Ospanova (amazing_2007)	1
182	Tolstik D.N. (DiNiKiN_II)	1
183	Aksenov S.A. (Seryjjj)	1
184	Savostikova (Master sql_1111)	1
185	Ermakov A.S. (Mr.Ermak)	1
186	Sokolova O.V. (Ol'ga2026)	1
187	suvorov (alexxxx1337)	1
188	Novitskaya (Katinn)	1					ban	ban
189	Rogachev L. (leonid19101110)	1
190	Stanovov (DStanovov)	1
191	velykanova (velyk)	1
192	Ponomarenko (Artem1337h4ck3r)	1
193	Gorbunov G.A. (RaM1cK)	1
194	Ivanov I.I. (pasta123!@#)	1
195	Erykalin A. (JAKIBS)	1					ban	ban
196	Efremenko K.A. (kiLeF)	1
197	Palonik A.V. (el bebe)	1
198	Mmm I.M. (Bcc1177)	1
199	U A.V. (Monk35)	1
200	Arbuzov V.V. (Tick_pods)	1
201	Alexeyev (Nickfan)	1
202	A A. (naravan)	1
203	Ivanov (telecast)	1
204	Lyubimenko E.V. (lenwa)	1
205	Makashov (Duke_Nukem1983)	1
206	Gul'tyaev A.A. (Maridats)	1
207	Makarova A. (makkormik187)	1
208	Yakovleva E.V. (evelina027)	1
209	Fazliev R.S. (Rusla-1984)	1
210	Abdulganiev (echpochmak2k)	1
211	Efremov I.M. (Efrem_gercules)	1
212	Novikova M. (novmarom)	1
213	Khrisanov A. (TeXHuK_21)	1
214	shilkin (Shilkin4.0)	1
215	qwe Q.Q. (MBPACKET)	1
216	Kozadaev (ondbud)	1
217	1 1.1. (TanciCBubnom)	1
218	Sain D. (MasterYoda)	1
219	Zinov'ev M.O. (maxim_zinovieff_2000)	1
220	Yarkin K.O. (red_king)	1
221	Nazarenko A. (akrazan)	1
222	shax A.O. (aseeel)	1
223	Makarova M.S. (mfirs)	1
224	Shvets M. (marr97)	1
225	Romanov D. (Gyma)	1
226	ozg (hygmic)	1
227	Sukhorukova I.A. (IrinaPsy)	1
228	Unregistered	36

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