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July 31, 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	Blinov R.K. (Blini)	1	2	21		3
2	Pupkin (Kikimora)	1	1	12		1
3	Kotov (Kotov E.V.)	1	1	14		1
4	Gavrilov A. (Haisenbeer)	1					15	25
5	Glukhikh K.E. (Zandari)	2					15	24
6	Nas (qwantum)	1					15	21
7	Sergeev (Elskerdig2)	1					ban	ban
8	Smolev (Darov48)	1					8	16
9	Pristavkin I. (ivanoid9)	1					8	16
10	Korneev Z.O. (SODERHAMN)	1					9	15
11	Dudin E.A. (OverElite)	1					9	15
12	Svetlova A.P. (SandraSvtl)	2					10	13
13	Shap (qwerty52)	2					9	13
14	Kimmel' A.K. (akimmel)	1					7	13
15	torskiy A.T. (blueheartgay3)	1					7	12
16	Lysenkov D.I. (Agnostick)	1					6	12
17	Kuznetsova A. (ArinaKuznetsova)	3					8	11
18	chauhan D.N. (deeksha2001)	2					8	11
19	Konstantinov I.S. (expsina)	1					8	11
20	Dr (maxdr)	1					7	11
21	Leonov I.E. (Il'ya_QA)	1					5	11
22	Anna (select_update_delete)	1					6	10
23	Ristic (zutibicikl1)	1					5	10
24	Shil'nikovskij D.A. (ZLOY_PONCHIK)	1					7	9
25	Zhabin M. (imichael)	2					6	9
26	Ivanov D.V. (danilvygl)	2					6	9
27	Krapivnitskij S.E. (Barr1)	2					5	9
28	Shadrin A.A. (Girgibon)	1					5	9
29	Dyorden T. (gorddd)	1					5	8
30	Dyadya V.K. (Dildun)	2					6	7
31	Primak A. (Chargeling)	1					6	7
32	Frolov V. (Raistlin_222)	1					5	7
33	Ten M. (tenmarkax)	1					4	7
34	Sidorov D.Yu. (Valdemar67)	1					4	7
35	kuvaeva (Nadin_ja)	2					5	6
36	As B.B. (Arlan33)	1					5	6
37	Krasnitskij (daniil_kr)	1					5	6
38	umrzoqov I.O. (umirzoqov)	1					ban	ban
39	Dobronravov V. (Soyousome)	1					4	6
40	Remiz E.A. (Remiz)	1					3	6
41	Moscow R. (ritamsk)	1					3	6
42	1 (lunimi0)	1					3	6
43	Aref'eva (Shantal007)	1					3	6
44	NewEvgen N.N. (NewEvgen1)	1					3	6
45	Madridov Zh.A. (Kukueka)	3					5	5
46	Zhmyshenko V.A. (HoCoK_DeDa)	1					5	5
47	Semenova (numlock)	1					5	5
48	Pashina (pa321)	1					4	5
49	Krasnikov E.I. (Krasnikov E.)	1					3	5
50	Belokon' M. (Belockchain)	1					3	5
51	Khalimon A.Kh. (AntonKhalimon)	1					ban	ban
52	Khitrina A.V. (Alina Khitrina)	2					4	4
53	Il'yasov M.B. (Murat04)	1					4	4
54	Savintsev S. (Sergey Savintsev)	1					4	4
55	Krivonogova A. (Krivonogova_Anastasia)	1					4	4
56	Lysenko A.A. (Yixie)	1					3	4
57	Romanova Y. (Yana Romanova)	1					3	4
58	Moroz S. (svetlana0205)	1					ban	ban
59	Anyan A.A. (AnyaAnyanyan)	1					3	4
60	Grinyova E.P. (Neru38_)	2					2	4
61	Kuz'mina A.V. (alushcka)	1					ban	ban
62	Spiryaev (aremonger)	1					2	4
63	Klishevich S.M. (sklishev)	1					2	4
64	Zinatullin (zinatullin.azat)	1					2	4
65	Saverchenko V.A. (vova565)	1					1	4
66	chondhekar S.R. (sujalappa)	1					3	3
67	Kravchenko (Natal'ya57)	1					2	3
68	Butorina K. (katebtrn)	1					2	3
69	Gridin (Nomeer)	1					2	3
70	Sergeev A. (f_train)	1					2	3
71	Moon V.V. (Moonse)	1					2	3
72	Shimkiv S... (SergeyVS)	1					1	3
73	Gorbachev P.I. (Felichitahuelichita)	1					ban	ban
74	Konev (SKdata)	1					2	2
75	Bueva A.V. (yeeen)	1					2	2
76	Khil'skij S. (Hill4)	1					2	2
77	Razzhivin V.G. (ultralunker)	1					2	2
78	Basangova D.A. (delezavrik)	2					1	2
79	Maratov O. (spoer)	2					1	2
80	Suvorova E. (Ekaterina.A.S)	2					ban	ban
81	Filippov M.A. (HoneySailor)	1					1	2
82	Lebedeva E. (Lena_le)	1					1	2
83	Gr (Dar'yaSur)	1					1	2
84	Gajtrakhmanov M.R. (mmmardin)	1					1	2
85	juanvaldez (valdezjuan)	1					ban	ban
86	Ivanov I.I. (ivan228)	1					1	2
87	Fom (Kamchatka)	1					1	2
88	Rumyantseva E.V. (rum_ev)	1					1	2
89	Shubin A. (AlexShu2007)	1					1	2
90	Vasil'eva (boryantheone)	1					1	2
91	Zhuiko (glebo4ka)	1					1	2
92	Antonenko A.A. (Tenshi_Matsuri)	1					1	2
93	Makovtseva (LenovoDML5)	1					1	2
94	tomer T. (chtomer)	1					1	2
95	Shalagin V.M. (Val_ya)	1					1	2
96	art A. (artemfff321)	1					1	2
97	Zagitov R.R. (qosquo)	1					1	2
98	Roman S.O. (gasoss15_1)	1					ban	ban
99	Rusakova D.R. (Dasha_Rus01)	1					1	2
100	Ruzhanskij V.V. (turbosvin)	1					1	2
101	Kharitonov A.A. (haranton1)	1					1	2
102	Shuvalova A.A. (Papa4anga)	2					1	1
103	Belyakov G.V. (rpuLLIa)	1					1	1
104	Tymchuk V. (tm4k)	1					1	1
105	Pod (Andy3891)	1					1	1
106	Perevedentseva (operevedentseva)	1					1	1
107	Ermakov S.S. (Srbin212)	1					1	1
108	Kozhevnikov K. (peppa_code)	1					1	1
109	Makarenko A.V. (riinkiie)	1					1	1
110	Chubar B.V. (bodick)	1					1	1
111	Balasanyan (uralmount-go)	1					1	1
112	M D.Yu. (Gambit92)	1					1	1
113	Jiqia G. (Ajika)	3					ban	ban
114	Koptel'tsev V. (selber)	2
115	Ilyassov K. (SQL_Qanat)	2
116	Bas (mashyt1)	2
117	Chernomyrdin (vova823652)	2
118	Nikolaev A.N. (AlexeyHeizenberg)	2					ban	ban
119	qwert (asdfghhgfd)	2					ban	ban
120	Ivanov (userTest1)	2
121	Kelematov (EkzeKutor95)	2
122	Barasheva A.A. (slumberlama)	2
123	Shilovskijj S.N. (Pandagrey2711)	2
124	Lomakov (DesRec)	2
125	Astashov D.A. (Dmitriy_679)	2
126	Kalinina A.V. (shaur-mama)	2
127	Ermachkov A.O. (Nividimka)	1
128	Krasovskij E.A. (pegoopik)	1
129	Sipacheva O.P. (Liv)	1
130	Noname N.N. (Artem74)	1
131	Belyakov M.Ya. (Mat_Original)	1
132	Dudin A.K. (doos)	1
133	Komov K.N. (zigmund1)	1
134	Pakhomov (pahomov)	1
135	Andrej (DRONrus)	1					ban	ban
136	Mitina A.R. (Nastya0826)	1
137	ss T. (aisi)	1
138	Oleynikov D.V. (Den_Oleynikov)	1
139	Timofeev G.A. (MrTimkms)	1					ban	ban
140	Andryukh K. (Nejd)	1
141	Kishkurno L. (lero4kaKish)	1
142	Malysheva (krimalysheva1)	1
143	Tumanskaya A. (Tumanskaya)	1
144	Khischenko (Kengo)	1
145	Sokolov Ya.A. (Mdfn19)	1					ban	ban
146	Nasyrov V.A. (Vadolo)	1
147	Lantsov D. (Danil111)	1					ban	ban
148	Westt (saba99)	1
149	Tsoj (soy??)	1
150	Ershov I. (qzva)	1
151	Gin'ko B. (Ghostkeel12)	1
152	Yurchenko Ya.V. (Fizmarazmat)	1
153	Den (BaykoD)	1
154	Lagoda (Deimos324)	1
155	Kibalyuk A.S. (TheNulky)	1
156	crazy M. (crazymichael)	1
157	Kamorin A. (bhaktartem)	1
158	Fedorov V.S. (G.Shamway)	1
159	frachsh M.A. (frachsh)	1
160	Budnikova V.O. (Vlada Bud)	1
161	Guplo S. (Tik1ak)	1
162	Nazarova E. (Katerina174)	1
163	vktory369 (vk1991)	1
164	Yakovlev D. (dwhytt)	1
165	S T.R. (hhh1)	1
166	Drusilio (Drusilio)	1
167	Chernyavskij I.A. (Innokentiy89)	1
168	Kuznetsov D.A. (mikegambino)	1
169	Pankeevva O. (pancake_0)	1
170	Sarkis'yan G. (gennadi_s)	1
171	Kedin S. (kedins)	1
172	Fatikova D.M. (Dil23)	1
173	Akhmetshin T.R. (ReMidzuno)	1
174	Ivanov I.I. (Ivan33)	1
175	Kushnir S.A. (Wishmaster190281)	1					ban	ban
176	Rachkov A.A. (Oriowka)	1
177	Kozhina V. (Kozhina Nika)	1
178	Nosulenko (Yulichke)	1
179	Krasnonos (krasnonos)	1
180	Pokulevskij (Gus12)	1
181	Yurij P. (Yumipon)	1
182	Gvritishvili V.M. (LeraGvritishvili)	1
183	Verkhovskij (clque)	1
184	Odegov A.I. (KovroLitik)	1
185	R. (Wra1th)	1
186	Agafonov A. (Alexeische)	1					ban	ban
187	Kurkina S. (Lana_pon4)	1
188	Usov D. (Tolkovyj)	1
189	Gamova N. (nasbarvv)	1					ban	ban
190	Kholkina (dimayulia2002)	1					ban	ban
191	sank K.K. (knas)	1
192	Mczoopi (zoopi)	1
193	Natalka N. (Natalkanatali123)	1
194	Daushev (Amina77102020)	1					ban	ban
195	* I.S. (Irina80)	1					ban	ban
196	Saf T.R. (TimSaf)	1
197	Thompson A.M. (Hardy01)	1
198	NTBrbge B.G. (GTRVWR342)	1
199	Pastukhov A. (apelo)	1
200	Stolyarova Yu.V. (Kiko1)	1
201	Prokhorov N. (aaaa1231)	1
202	Bryukhnov S.D. (azbyka2331)	1
203	Petrov S. (Me3s3eks)	1
204	Skibin V.V. (SQL_vvs)	1
205	Kazakov (DenisIT)	1
206	Bobrov A.B. (tttrrriiipppllleee)	1
207	Lysykh V.K. (Usilitel')	1
208	Tarasov A.E. (Kynamorfus)	1
209	DDDD S. (NEWSANCE)	1
210	Kichigina Yu.I. (Dregviil)	1
211	Poltorzhitskij I.Yu. (bitemake)	1
212	keksouu (keks51211)	1
213	Tsapko Ya.S. (Yaroslav?)	1
214	Khasanov Kh.Kh. (krrolya123)	1
215	Glavatskikh S.A. (turbostepa)	1
216	Nititius (Nikitius)	1
217	Karabayev Z.K. (Qarakerei)	1
218	Il'gin P. (Femida_v_krujevax)	1
219	Katanskaya (Bubunechka)	1
220	Kramarenko A.A. (Artur92)	1
221	Nik N. (Niki_0725)	1					ban	ban
222	Acharyan R.O. (21Ruslan)	1
223	Kazantsev A.A. (hunger12)	1
224	Kharin M.A. (MassSkin)	1
225	Eliseev A. (alosds)	1					ban	ban
226	Dedyulin A.D. (ded_android)	1
227	Zakirov I. (coronets1)	1
228	Ivanov A.E. (Ant1n)	1
229	Kupriyanova D. (belak_daria)	1
230	Abishev N. (nurbulat)	1
231	Slobodchikov (Slob404)	1
232	Agzamova A.F. (Fiyusha)	1
233	Kuz'min V.S. (Black Marlin)	1
234	Rodionov Ya.R. (mersedes)	1
235	Irgashaliyev A.I. (Asilbek22)	1
236	Khodos M.D. (Inerva)	1
237	Dmtr (Dmtrsh)	1
238	Abduraximov (Kokitto)	1
239	Petrov A.A. (Alexey_064_64)	1
240	Korshunova T.S. (korshunovatati)	1
241	Blake C.K. (Esc Xilence)	1
242	Ninmod V. (RRav)	1
243	Mitskevich D.S. (DenisMitskevich)	1
244	lll (ArtemLOL)	1
245	Umirzoqov I.O. (OzodbekU)	1					ban	ban
246	Bizhanov A. (sleepingseel)	1
247	autsauau M.M. (DWDWDatstsatsats)	1
248	Shatskikh D. (DShatsky)	1
249	Fel'ker (Zima412)	1
250	ivanov D. (yousha77)	1
251	Unregistered	38

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