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April 22, 12:01 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	Zharova D. (MoniBoni)	2			11	13	10	13
2	Koshelev (CD7567)	1			6	8
3	Random (quack_quack)	2	2	4		4
4	M (DanilM2304)	2	1	47		3
5	Vasev A.V. (Vasev_Aleksey)	1	1	41		3
6	Demiral E. (erend55)	1			3	3
7	P I.*. (IrinaPetr)	1	1	24		2
8	Sil'van (silvr)	2			1	2
9	Vyazovetskov A.S. (alex_v)	1	1	40		1
10	Baranikov A.D. (Retusha)	1					15	26
11	Serdyukov A.A. (L_LADA_A)	1					15	26
12	Lavrov V.D. (SkyWhyDrain)	1					15	25
13	Chalykh (ocush)	1					15	25
14	Secret Key (Secret Key)	5					15	24
15	R (aaahzhz)	3					15	24
16	Tazetdinov R.S. (ridik_k)	2					15	24
17	oorzhak A.E. (oorzhak)	1					15	24
18	Porsik (Kleines)	1					15	24
19	Mineev N.A. (pht150)	1					15	24
20	Talypova M.R. (Talypova)	1					15	24
21	Erykalin (IJAKIBS)	1					ban	ban
22	Chebuchakova E. (kat sergeenko)	2					12	18
23	Elovikov E.S. (KILKY_GOR)	2					14	17
24	Valiullin (timaval)	1					13	16
25	Pichugin A. (tony_dad)	1					ban	ban
26	Merzlyakov (merzlik)	1					10	15
27	Shashilo A.A. (a.shsahilo)	2					11	14
28	Kil'ka (lazzzarev)	1					8	13
29	Kin G.T. (Gin-chan)	1					8	11
30	kashirina K.S. (ammme)	4					7	11
31	bovikov B.S. (bambabovikov)	3					7	11
32	INikolaev I.M. (Ivan28429)	2					7	11
33	Vasyukova V.I. (wwwowww)	2					7	11
34	Nesterov A.M. (MrmeEnoq3)	2					7	11
35	Khukhorova A.D. (Ahyhonyaa)	2					7	11
36	Pichkalyova M.A. (Maria____17)	1					ban	ban
37	Andreev D.I. (Rusinov Aleksej Mak)	1					7	11
38	Khrupkin V.S. (CordloPerdlo)	1					7	11
39	Chernyshev A.D. (MakedonskijTsar'IBog)	1					7	11
40	Shutova P.A. (iolin)	1					7	11
41	Rusinov A.M. (AXTR)	1					7	11
42	Kukshinov D.S. (DanFort1)	1					7	11
43	Glukhov A.E. (Bobik322)	1					7	11
44	Malkova E.I. (Lacher1)	1					7	11
45	Dulatov (emrworld)	1					7	11
46	Petrov I.N. (stateonuris)	1					6	10
47	Martynenko A.V. (Laditops)	2					5	9
48	Bochkareva A.A. (Fra1n)	2					5	9
49	Rostovtseva E.R. (lizavetaRostovtseva)	1					5	9
50	Klimachev L.S. (12345norm)	1					5	9
51	Sovetov R. (hiropu)	3					7	8
52	Shitsyn T.A. (Yota611.)	1					4	7
53	Stepanov S.V. (Nostix)	2					4	6
54	Ershov P.K. (Xazanione)	1					ban	ban
55	Z Y. (YERL)	1					3	6
56	- C.-. (janaan5)	4					5	5
57	Gorshkov V.A. (MS Vityok. PRPR PATAPIM)	2					5	5
58	Pimenov (BoyKisser1984)	1					5	5
59	Kargina V.R. (Vika Kargina)	1					3	5
60	Safonov (pupupum)	1					3	5
61	Tereschenko D.V. (Dimas676767)	2					4	4
62	Zavidov A.E. (Mamba555)	2					3	4
63	Saez C.F. (cristian_gato)	1					3	4
64	Komyakov Yu.V. (dreamersleet)	1					3	4
65	G Ya. (netsky047)	2					2	4
66	Pronin (NemixPKYa)	1					2	4
67	Zolina (nyvmicha)	1					2	4
68	belov A.A. (asrghbdvcxsertyujkmnbgftr)	1					2	4
69	P'yankova I.P. (Irina97.)	1					3	3
70	Shvetsov D.Sh. (DanechekSw)	2					ban	ban
71	Cgbhbn (bashmachello)	1					2	3
72	Kornilov K.I. (kkornilov)	1					2	3
73	Abdullina G.A. (Fleshka)	1					2	3
74	Yrong (Yrong)	2					2	2
75	Filyushkina K.A. (ksyusha_filyusha1)	1					2	2
76	Ognevich E.A. (Good_man)	1					2	2
77	Roit (RoitKort)	1					2	2
78	Koroleva (Myayyr)	1					2	2
79	Hot (jeka01)	1					2	2
80	user (roitiuser4)	3					ban	ban
81	Berinchik I.V. (d00x)	1					1	2
82	Tsytsykova A.D. (fhvhdchi)	1					1	2
83	Mad'yarov (Ndrix)	1					1	2
84	Bogacheva (olllb)	1					1	2
85	Charnetskaya (annaah)	1					1	2
86	Petrov S.I. (Woodeech)	1					1	1
87	m A.V. (oceanmotioned)	1					1	1
88	Yatsevskiy D. (DaniikaSQL)	1					1	1
89	vm (AlexanderTGreat)	1					1	1
90	Cherepanov D.A. (DmitryQA2000)	1					1	1
91	Koptel'tsev V. (selber)	4
92	Ershov I. (qzva)	4
93	Kurochkin P.A. (qwrqwr)	2
94	Petrov N.V. (Nick21)	2
95	Rybtsov E.G. (Fellable)	2					ban	ban
96	t T.T. (k0ntimka)	2
97	Bystrov F. (FEDORBYST3445)	2
98	Yagudin (PLink1)	2
99	Gorr V. (v--)	2
100	Barbos M.U. (Soulstormz)	2
101	Myshkevich A.V. (MAlexV)	2
102	Margarita M.M. (rita2026)	2
103	Krasovskij E.A. (pegoopik)	1
104	Polyakov V.M. (rock_4)	1
105	Gorbunov M.S. (gms)	1
106	abs V.S. (veron.en55)	1
107	Filippova (verve)	1
108	Kovalenko A.I. (Volshebnaya noch')	1
109	Petrov S.V. (Destrik123)	1
110	Dyo A.E. (gooblin)	1
111	Stefanovich A.T. (Stefa95)	1
112	a A.A. (Artur1q)	1
113	Vinakov I.R. (ViNO_512)	1
114	Guseinov A. (Ali_G)	1
115	khakhamova I.S. (khakhamova)	1
116	MRT V.V. (FrostMRT)	1
117	Mutsol'gov A.D. (mehrun)	1
118	Nikolov (petarnikolov)	1
119	Kuritsyn V.N. (ValNick)	1
120	Maksimov D. (Wolfawi)	1
121	Firyulina M.V. (beingpresent)	1
122	Rechnaya M. (MaryanaN)	1
123	Terekhov I.B. (Linkler)	1
124	Khajtina A.Yu. (anna_khaytina)	1
125	Shustikov V.A. (SHUSTIKGF)	1
126	Shikov V. (Viktor_TG)	1
127	Markin (Ewwwg)	1
128	Sharpi O.B. (Sharpi)	1
129	Loginov S. (loginov_sql)	1
130	roiti (roiti_user1)	1					ban	ban
131	Amirzhanov B. (Beknar)	1					ban	ban
132	Vasilyov A.A. (quiry)	1
133	Nigmanova M. (EvilWerner)	1					ban	ban
134	Chistov E.S. (Malysh-Malen'kij)	1
135	Skokov B.S. (leks$$)	1
136	Gusev A.O. (NowOrNever)	1
137	Vakhitov (MurikVh)	1
138	petrov (petrov991)	1
139	Guzeev N.A. (MJK46&2)	1
140	Bezuglyj D.D. (Daniil62)	1					ban	ban
141	fall F.A. (5jth5eths)	1
142	Odegov A.I. (KovroLitik)	1
143	R. (Wra1th)	1
144	Grigor'eva P.S. (norgentum)	1
145	Rusakova A.A. (AllaR)	1					ban	ban
146	Stepanov (LexFrom)	1
147	Korolev R.V. (zouker)	1
148	Kuimova D.A. (dshswws)	1					ban	ban
149	Islom M. (fr0stman)	1					ban	ban
150	Komov S.M. (Komov S. M.)	1					ban	ban
151	Ulanbek N.N. (ulan07)	1
152	Afanas'ev V.A. (AVA_13)	1
153	Lysykh V.K. (Usilitel')	1
154	Manukian L.G. (LianaManukian)	1
155	Timofeev A.T. (BegginerTex)	1
156	Zajtseva M.Yu. (ritaz93)	1
157	Krivonosov A. (Retofu)	1
158	Erkhov M.R. (Karamba_16)	1
159	Samarin V.A. (Samarin)	1
160	Ospanova (amazing_2007)	1
161	Odnokurtsev (AlFochino)	1
162	Tishkov G.T. (grisha6534764)	1
163	Smol'nikov F.A. (_smolnikov_)	1
164	Chernyshova V. (Airelev)	1
165	Shirokov M.A. (Dr.Mikhail)	1
166	Spitsin V.V. (Vitaly699)	1
167	Goldobin E.G. (prm259)	1
168	Sibejkin I.A. (POIUYTHEHAPPY)	1
169	Ergonov A.G. (LexusLeha)	1					ban	ban
170	Tulaikin V. (tulaikinv)	1
171	Frolov I.V. (Zevs pitbul')	1
172	Kosh (Vlad1098)	1
173	Ivan (ghosty_an)	1
174	Zinov'ev I.V. (ilyazzzzzz)	1
175	Kalibekov M.R. (Sardon)	1
176	Rukavitsyn A. (DillianSky)	1
177	Polyakova (plerushka)	1
178	Utkin S.A. (Aethel)	1
179	Korshikov (Ilkorich)	1
180	P (rinaP)	1
181	Soryu A.L. (RemiliaScarlet3)	1
182	Krylova D.A. (krylovada)	1
183	Metel'nikov (Blizzardnikov)	1
184	Erbolat E.M. (=xX???nikita???Xx=)	1
185	Tukeshev U.K. (Ulan Tukeshev)	1
186	Balaev A. (andreybalaev)	1
187	Arabadzhieva L. (LiNYam)	1
188	Ivanov P.S. (tolstyj348)	1
189	Yaroslavskaya R.I. (gate_sq)	1
190	Rzaev (tgrnk)	1
191	musaliev B.B. (mbpride)	1
192	Kuznetsov D.A. (plesenb0)	1
193	Yakubaeva A.V. (YakaY)	1
194	Barkhieva K.L. (Kamikazee)	1
195	Duisenbayev (3UMF)	1
196	Bocharova V.E. (Malvisa)	1
197	Matyuhanov D.A. (Lineagi4)	1
198	R (RMA_)	1
199	Da (PaineiDe)	1
200	Gaevskij D.I. (Den_0_0_7)	1
201	Batukhtin (Duckly)	1
202	Olga M.D. (witch_bonfire)	1
203	Grabovoj V.B. (eeaa)	1
204	Anastasia (astasya)	1
205	Unregistered	29

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