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August 03, 18:32 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	Shibaev (saah)	3	3	53		3
2	O (janeoosql)	2	1	29		2
3	Muthukrishnan A. (Agal13)	1	1	-19		2
4	Sidorenko (Junior_Explorer)	1			2	2	6	7
5	Yakovleva D. (Dashusi)	1	1	1		1	1	1
6	Zhigalov (MZh16)	1			1	1
7	Ogaj A.K. (AO19)	5					18	26
8	Nikolov P.F. (plamennf)	1					15	25
9	Zakharov (svyyy)	1					15	23
10	Kharisov A.Ya. (Azamat777)	8					15	19
11	R (sankficeba)	3					15	18
12	Kuts S.G. (Svetlana Kuts)	1					14	17
13	asd A.A. (tonyapp)	2					14	16
14	Ovchinnikov V.V. (SQLGOD5)	1					13	16
15	Leont'eva K.E. (keleonteva)	1					10	16
16	Smith S. (sam.smith)	1					8	15
17	Turanskaya E. (Kate_tur)	2					10	13
18	Dyusenov R. (Ruslan_Dyusenov)	1					9	12
19	Kol'tsova E.S. (elizavetakoltsova)	1					9	11
20	aminchik A.A. (am1nch1k)	1					8	11
21	Khokhlov (TermiDD81)	1					6	11
22	Kotov V. (Vladosss1995)	3					7	9
23	Vladimirtsev A. (Mostov)	1					5	9
24	Nikulenko P.A. (Flower1001)	1					8	8
25	Ivanovsky V.A. (Imvyache)	2					7	8
26	pavlov (PVLV22)	1					5	8
27	Glebov A.P. (mitridat_evpator_everget)	1					5	8
28	krylov (krylwte)	1					6	7
29	Savchenko V.P. (Vladislav11111)	2					5	7
30	Kungurov A. (Alexey10)	1					5	7
31	Lomakina (lomchik)	1					4	7
32	Yurova (AherCh)	1					4	7
33	Nagovitsin E.V. (bakawolf)	1					5	6
34	Tri A. (Anouk66)	2					4	6
35	Strilenko (Liamorte)	1					4	6
36	Romanov A.A. (andromus)	1					4	6
37	Fomitskij A.A. (Qleks)	1					4	6
38	Usikova (Ya.)	2					3	6
39	Zaluzhskij V.S. (vszsky)	2					3	6
40	bovykin V.K. (yaget)	2					5	5
41	SOLDATKIN A. (salvia791)	1					5	5
42	Yuds (glareofluna)	1					5	5
43	Kondratenko N. (thrust_set)	1					5	5
44	Ischenko K.Yu. (Kpuh)	2					4	5
45	Mikhajlova V.P. (veneragret)	2					3	5
46	Baldinini (Divine_Divinity)	1					3	5
47	Shafl (Tears14)	1					3	5
48	Klimenko E.A. (LenaKlimenko)	1					3	5
49	Sorokin V. (SOROKVOV)	1					4	4
50	Murin I. (Ilya__M)	1					4	4
51	Askarbek A. (AAibar21)	2					ban	ban
52	Arakelyan T.V. (tatevikkkkkkkk)	1					3	4
53	Luneva D.A. (DLuneva)	1					3	4
54	Karimov (Askhat007)	1					3	4
55	Mikaya (Gio9248)	3					2	4
56	Kazantsev V.D. (kentiko_0)	2					2	4
57	Sadovaya K.A. (k1x07)	1					2	4
58	Turlo M.A. (maksimturlo)	1					2	4
59	Klochko T. (radoxa)	1					2	4
60	Rakhmetolla S. (Shattyk96)	1					2	4
61	vvvv (vvvvd)	1					2	4
62	Mihaylov P. (plgurenn)	1					2	4
63	qwe R.Y. (TheWrongOne992)	1					ban	ban
64	piopio5 (piopio5)	1					3	3
65	Savenko (olalasavenko)	2					2	3
66	Evstaf'ev D.A. (Redis22)	1					2	3
67	Gerasimova (Ekaterina0104)	1					ban	ban
68	Vlasov (kirill181992)	1					2	3
69	Korolev R.V. (zouker)	1					1	3
70	Petrova K.P. (U2665OfEvil)	3					2	2
71	Klimus (Anna611)	2					2	2
72	Trunov (jacknova)	1					2	2
73	Levina A. (Anisiam)	3					1	2
74	Khorunzhij E.A. (wuwuqw)	2					1	2
75	Ivanov Yu. (Ury)	1					1	2
76	Petrov (Goododo)	1					1	2
77	Niyazova (Leyla1542)	1					1	2
78	Kuznetsov (GloomyFox123)	1					1	2
79	Kameneva (kristachak)	1					1	2
80	seito R. (ryota)	1					1	2
81	Ivanova (nahi1)	1					1	2
82	Zubkov D. (Dm54)	1					1	2
83	Pushkarev S. (PSV_n)	1					1	2
84	Kishko (KNats)	1					1	2
85	ess (ernyg)	1					ban	ban
86	Nikolaeva V.V. (@molly)	1					1	2
87	Golyandina (nap@)	1					1	2
88	Khvoshchev S. (VIXS1512)	1					1	2
89	kofuku (Kofuku)	1					1	2
90	Sharafutdinova E.Yu. (ktshrfvt)	1					1	2
91	k P. (burritotoppings39)	3					1	1
92	Kuts O.V. (KutsO)	2					1	1
93	Leschenko (Verochka_21)	2					1	1
94	Osmankin A.E. (Aleksandr51)	2					1	1
95	Zyuzyupupuk P.K. (@mutagen00)	2					1	1
96	Ryabikina (Allusikk)	2					1	1
97	Abzhaliev I. (Isco723)	2					1	1
98	Malikov G. (Grechka417)	1					1	1
99	Tolstov N.S. (NiKoLa-ToLsT)	1					1	1
100	Deva N.S. (nithin0303)	1					1	1
101	Lovchanovskij V.P. (lovcha_v)	1					ban	ban
102	Ponomarev M.P. (MatveyF)	1					1	1
103	Urakina K. (Ksu774)	1					1	1
104	Malikov A.A. (Ara2002)	1					1	1
105	Kol'tsova O.V. (Helga_Pataki)	1					1	1
106	Krasovskij E.A. (pegoopik)	5
107	Koptel'tsev V. (selber)	4
108	Murat M. (murat_mukhammed)	4
109	Sarkis'yan G. (gennadi_s)	2
110	Bogatyrev N.V. (BNV2873)	2					ban	ban
111	Nos Ya. (yana_nos)	2
112	Burtonov A.V. (tak to)	2					ban	ban
113	Ogurtsov A.T. (Tomasitto123)	2
114	Konoplev I.I. (lilkonoplya)	2
115	Kuchakov A. (nibbles01)	1
116	Vyazovetskov A.S. (alex_v)	1
117	Williams B. (BW)	1
118	Kurochkin P.A. (qwrqwr)	1
119	Altashin S.V. (burrito)	1
120	Martynov A. (Ryncol)	1
121	Khromov (Pavel Khromov)	1
122	Svetlyj S.S. (Prostoy)	1
123	M (MrQzZza)	1
124	Gorbunov M.S. (gms)	1
125	Cheshev D.N. (Dmitrij777)	1
126	Savin A.Yu. (mirovingin)	1
127	Zhur (Tanets)	1
128	Lessenger K. (zero_main_log)	1
129	Vestnikov D.A. (letsstudybegin)	1
130	Muldagaliev R.Zh. (Ruslanm86)	1
131	Bryukhanov A.N. (Antonus)	1
132	Nazyrov R.R. (Davel)	1
133	Tsay S. (Sergey Ts.)	1
134	Yurchenko A.A. (y.aleksandr89)	1
135	crazy M.M. (thisismili)	1
136	Sergey (Floony.by)	1
137	Tukabekov R.E. (posledovatelniy_zanuda)	1
138	exceed 9. (exceed)	1
139	Kosinova V.R. (kosya321)	1
140	Hades (Hades1)	1
141	Petrov P.P. (Pod123)	1
142	Statsenko V.O. (ValerDOS1x)	1
143	Malikov (Psevdonim312)	1
144	Dyatlov (Evgeniy_Sh)	1
145	Bardina Yu.V. (juliabardina)	1
146	Olievscaia (Valiuha)	1
147	Zdorova (Zpol)	1
148	lin A.B. (swpetra)	1
149	Saidov I. (igor_1993)	1
150	Fodchuk R.D. (333Halfofevil)	1
151	Shik I.Sh. (shikino)	1
152	ivanov (Aleksandr4994)	1					ban	ban
153	Terekhov I.E. (foxboy)	1
154	Rakov K.A. (Kotestrk)	1
155	Kul'kova A.I. (Nastia484)	1
156	Dogadov S.V. (Serzho)	1
157	Najik (Najik7)	1
158	Zakiev Z. (raovaoldyv)	1
159	Ezhov R.S. (akira_nvm112)	1
160	Titov (mahaon_1999)	1
161	Sergei (srpnkv)	1
162	Skokov B.S. (leks$$)	1
163	Rodin (uoloki)	1
164	Volkonenkov S.S. (volkonenkow88)	1
165	Kuskova A. (Alandra)	1
166	Kerimov K. (Kerim Kerimov)	1
167	Shigapova I.I. (Dzhokonda)	1
168	Balakin V. (G_Xian_00313)	1
169	Salov S. (Koshachek)	1
170	Panciuc V.V. (Bender23)	1
171	R. (Wra1th)	1
172	Shirshavina A.S. (kis_pis)	1
173	Gafurov A.R. (Gafurov A.R.)	1
174	Shaikh (Angy33)	1
175	Anisimov (ArturenciA)	1					ban	ban
176	Lysykh V.K. (Usilitel')	1
177	Gaponova (Kate_sqltest111)	1
178	Rebovskij (x-lerasim13)	1
179	Sairanbek D. . (sairanbek_darkhan)	1
180	Chaus (MyNigga)	1
181	Krikunov V.V. (Krikunov_Vitalik)	1
182	jj (evgenyyyya)	1
183	Safronova E.I. (Kate Safro)	1					ban	ban
184	Odnokurtsev (AlFochino)	1
185	Anas (CodeSavyMind)	1
186	Legkova A.O. (albebex)	1
187	asd A.A. (defiler__616)	1
188	Bocharova S.M. (Salazail)	1
189	dollycons (con99009)	1
190	Evgen'ev (gek_c)	1
191	Egorova M.Yu. (egorova.m.u.)	1
192	salmanov (onlu)	1
193	Klepets N.A. (NIkDream)	1
194	Grezneva N. (celestica)	1
195	Oblezova (Pips_Garder)	1
196	F M. (mic1c)	1
197	Khudajberdyev A.A. (a.khudaiberdyev)	1
198	Askarbek A. (Aibar212121)	1					ban	ban
199	Bryzgalov (socrat775a)	1
200	Polikarpov K. (kir0206)	1
201	Taurbek B.D. (Bagy)	1
202	Yur (Stipashka06)	1
203	Sikunchik (meowboom111)	1
204	Haciyev I.A. (Ismayil)	1					ban	ban
205	487 (487)	1
206	Kim D. (DkimsonSQL)	1
207	Tsay A. (antoninho)	1
208	Savinova (Alenari66)	1
209	Folomeev (Cap1568)	1
210	Aleksandrov N.P. (Franklin_Lakosa)	1
211	Star D. (BobaBiba123)	1
212	Daukenova K.A. (Kseniya Andreevna)	1
213	Abbasov I. (ibrahim_@2005@)	1
214	Bakin (lemoine)	1
215	girase C. (ketan@123)	1
216	Turgeneva A.S. (pupik1)	1
217	gorrog (gor1234)	1
218	Ferreira R. (Ricardinho)	1
219	Schetkin N.A. (Persey_Tunguskovich)	1
220	ke1pie I. (kelpie2013)	1
221	Kozyr (Slim4510)	1
222	Litvinenko D.S. (danila03228)	1
223	Safronova E.I. (KateKate1233445)	1
224	puho I. (igig)	1
225	Poshelyuk O.A. (oksana_p1999)	1
226	Romanenko E. (Ce_lena)	1
227	Millionov N.A. (mokundra)	1
228	Marchenko D. (DaloMao)	1
229	Bogatova A. (nastya_nechai)	1
230	Unregistered	46

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