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April 22, 13:15 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	15	22
2	Koshelev (CD7567)	1			6	8
3	M (DanilM2304)	2	2	48		4
4	Random (quack_quack)	2	2	4		4
5	Vyazovetskov A.S. (alex_v)	1	2	57		3
6	Vasev A.V. (Vasev_Aleksey)	1	1	41		3
7	Demiral E. (erend55)	1			3	3
8	Gorbunov M.S. (gms)	1	1	24		2
9	P I.*. (IrinaPetr)	1	1	24		2
10	Sil'van (silvr)	2			1	2
11	Baranikov A.D. (Retusha)	1					15	26
12	Serdyukov A.A. (L_LADA_A)	1					15	26
13	Lavrov V.D. (SkyWhyDrain)	1					15	25
14	Chalykh (ocush)	1					15	25
15	Secret Key (Secret Key)	5					15	24
16	R (aaahzhz)	3					15	24
17	Tazetdinov R.S. (ridik_k)	2					15	24
18	oorzhak A.E. (oorzhak)	1					15	24
19	Porsik (Kleines)	1					15	24
20	Mineev N.A. (pht150)	1					15	24
21	Talypova M.R. (Talypova)	1					15	24
22	Erykalin (IJAKIBS)	1					ban	ban
23	Dulatov (emrworld)	1					15	20
24	Chebuchakova E. (kat sergeenko)	2					12	18
25	Elovikov E.S. (KILKY_GOR)	2					14	17
26	Valiullin (timaval)	1					14	17
27	Pichugin A. (tony_dad)	1					ban	ban
28	Merzlyakov (merzlik)	1					10	15
29	Abdullina G.A. (Fleshka)	1					9	15
30	Shashilo A.A. (a.shsahilo)	2					11	14
31	Kil'ka (lazzzarev)	1					8	13
32	Kin G.T. (Gin-chan)	1					8	11
33	kashirina K.S. (ammme)	4					7	11
34	bovikov B.S. (bambabovikov)	3					7	11
35	INikolaev I.M. (Ivan28429)	2					7	11
36	Vasyukova V.I. (wwwowww)	2					7	11
37	Nesterov A.M. (MrmeEnoq3)	2					7	11
38	Khukhorova A.D. (Ahyhonyaa)	2					7	11
39	Pichkalyova M.A. (Maria____17)	1					ban	ban
40	Andreev D.I. (Rusinov Aleksej Mak)	1					7	11
41	Khrupkin V.S. (CordloPerdlo)	1					7	11
42	Chernyshev A.D. (MakedonskijTsar'IBog)	1					7	11
43	Shutova P.A. (iolin)	1					7	11
44	Rusinov A.M. (AXTR)	1					7	11
45	Kukshinov D.S. (DanFort1)	1					7	11
46	Glukhov A.E. (Bobik322)	1					7	11
47	Malkova E.I. (Lacher1)	1					7	11
48	Martynenko A.V. (Laditops)	2					6	11
49	Pronin (NemixPKYa)	1					8	10
50	Petrov I.N. (stateonuris)	1					6	10
51	Yrong (Yrong)	3					7	9
52	R (RMA_)	1					7	9
53	Korshikov (Ilkorich)	2					5	9
54	Bochkareva A.A. (Fra1n)	2					5	9
55	Kargina V.R. (Vika Kargina)	1					5	9
56	Rostovtseva E.R. (lizavetaRostovtseva)	1					5	9
57	Klimachev L.S. (12345norm)	1					5	9
58	Sovetov R. (hiropu)	3					7	8
59	Cherepanov D.A. (DmitryQA2000)	1					6	7
60	Shitsyn T.A. (Yota611.)	1					4	7
61	Stepanov S.V. (Nostix)	2					4	6
62	Ivanov P.S. (tolstyj348)	1					4	6
63	Roit (RoitKort)	1					4	6
64	Ershov P.K. (Xazanione)	1					ban	ban
65	Kalibekov M.R. (Sardon)	1					3	6
66	Z Y. (YERL)	1					3	6
67	- C.-. (janaan5)	4					5	5
68	Gorshkov V.A. (MS Vityok. PRPR PATAPIM)	2					5	5
69	Pimenov (BoyKisser1984)	1					5	5
70	Safonov (pupupum)	2					3	5
71	Tereschenko D.V. (Dimas676767)	2					4	4
72	Klimovich N. (Niklim)	1					4	4
73	Zavidov A.E. (Mamba555)	2					3	4
74	Saez C.F. (cristian_gato)	1					3	4
75	Komyakov Yu.V. (dreamersleet)	1					3	4
76	G Ya. (netsky047)	2					2	4
77	Berinchik I.V. (d00x)	1					2	4
78	Zolina (nyvmicha)	1					2	4
79	belov A.A. (asrghbdvcxsertyujkmnbgftr)	1					2	4
80	P'yankova I.P. (Irina97.)	1					3	3
81	Shvetsov D.Sh. (DanechekSw)	3					ban	ban
82	Cgbhbn (bashmachello)	1					2	3
83	Kornilov K.I. (kkornilov)	1					2	3
84	Ognevich E.A. (Good_man)	2					2	2
85	Filyushkina K.A. (ksyusha_filyusha1)	1					2	2
86	Koroleva (Myayyr)	1					2	2
87	Hot (jeka01)	1					2	2
88	user (roitiuser4)	3					ban	ban
89	petrov (petrov991)	2					1	2
90	Bocharova V.E. (Malvisa)	2					1	2
91	abakumova S.I. (abaqmova)	1					1	2
92	Rusakova A.A. (AllaR)	1					ban	ban
93	Tsytsykova A.D. (fhvhdchi)	1					1	2
94	Mad'yarov (Ndrix)	1					1	2
95	Krylova D.A. (krylovada)	1					ban	ban
96	Mukhortin E. (EgorM.)	1					1	2
97	Domashkin D.S. (V-IV Rusty)	1					1	2
98	Duisenbayev (3UMF)	1					1	2
99	Bogacheva (olllb)	1					1	2
100	Charnetskaya (annaah)	1					1	2
101	Petrov S.I. (Woodeech)	1					1	1
102	Tulaikin V. (tulaikinv)	1					1	1
103	Sangadzhiev Yu.O. (sayr)	1					1	1
104	Bodnya A.A. (kiryto)	1					1	1
105	m A.V. (oceanmotioned)	1					1	1
106	Yatsevskiy D. (DaniikaSQL)	1					1	1
107	vm (AlexanderTGreat)	1					1	1
108	Buzmakov M.A. (mbuz43)	1					1	1
109	Koptel'tsev V. (selber)	4
110	Ershov I. (qzva)	4
111	Golub B.A. (micros34567)	3
112	Kurochkin P.A. (qwrqwr)	2
113	Petrov N.V. (Nick21)	2
114	Kuritsyn V.N. (ValNick)	2
115	Rybtsov E.G. (Fellable)	2					ban	ban
116	Shikov V. (Viktor_TG)	2
117	t T.T. (k0ntimka)	2
118	Tukeshev U.K. (Ulan Tukeshev)	2
119	Bystrov F. (FEDORBYST3445)	2
120	Yagudin (PLink1)	2
121	Sona07 (Sona07)	2
122	Gorr V. (v--)	2
123	Barbos M.U. (Soulstormz)	2
124	Myshkevich A.V. (MAlexV)	2
125	Margarita M.M. (rita2026)	2
126	Seleznev (korben_dalas)	2
127	Krasovskij E.A. (pegoopik)	1
128	Sangadzhiev Yu.O. (santyur)	1
129	Polyakov V.M. (rock_4)	1
130	abs V.S. (veron.en55)	1
131	Filippova (verve)	1
132	Kovalenko A.I. (Volshebnaya noch')	1
133	Derepovskaya E.V. (Kate_De)	1
134	Petrov S.V. (Destrik123)	1
135	Dyo A.E. (gooblin)	1
136	Stefanovich A.T. (Stefa95)	1
137	Tsay S. (Sergey Ts.)	1
138	a A.A. (Artur1q)	1
139	Vinakov I.R. (ViNO_512)	1
140	Guseinov A. (Ali_G)	1
141	khakhamova I.S. (khakhamova)	1
142	MRT V.V. (FrostMRT)	1
143	Mutsol'gov A.D. (mehrun)	1
144	Nikolov (petarnikolov)	1
145	Maksimov D. (Wolfawi)	1
146	Firyulina M.V. (beingpresent)	1
147	Rechnaya M. (MaryanaN)	1
148	Terekhov I.B. (Linkler)	1
149	Khajtina A.Yu. (anna_khaytina)	1
150	Kachalov Z.A. (love_kach)	1
151	azunai (Azun4i)	1
152	Shustikov V.A. (SHUSTIKGF)	1
153	Markin (Ewwwg)	1
154	Sharpi O.B. (Sharpi)	1
155	Loginov S. (loginov_sql)	1
156	Strukov (StrukovSA)	1
157	roiti (roiti_user1)	1					ban	ban
158	Amirzhanov B. (Beknar)	1					ban	ban
159	Vasilyov A.A. (quiry)	1
160	Nigmanova M. (EvilWerner)	1					ban	ban
161	Chistov E.S. (Malysh-Malen'kij)	1
162	akimat A.Z. (akimatovskiii)	1
163	Skokov B.S. (leks$$)	1
164	Gusev A.O. (NowOrNever)	1
165	Vakhitov (MurikVh)	1
166	Mir T. (TimMir)	1
167	Guzeev N.A. (MJK46&2)	1
168	Bezuglyj D.D. (Daniil62)	1					ban	ban
169	Beliakov D. (lavalamp)	1
170	fall F.A. (5jth5eths)	1
171	Odegov A.I. (KovroLitik)	1
172	R. (Wra1th)	1
173	Grigor'eva P.S. (norgentum)	1
174	Stepanov (LexFrom)	1
175	Korolev R.V. (zouker)	1
176	Kuimova D.A. (dshswws)	1					ban	ban
177	Islom M. (fr0stman)	1					ban	ban
178	Komov S.M. (Komov S. M.)	1					ban	ban
179	Ulanbek N.N. (ulan07)	1
180	Navesov A.A. (bbezz)	1
181	Afanas'ev V.A. (AVA_13)	1
182	Lysykh V.K. (Usilitel')	1
183	Kolesnikov S.O. (bulbasaurus)	1
184	Manukian L.G. (LianaManukian)	1
185	Timofeev A.T. (BegginerTex)	1
186	Zajtseva M.Yu. (ritaz93)	1
187	Krutko (lena_krytko)	1
188	Postnikov (styofik)	1
189	Krivonosov A. (Retofu)	1
190	Erkhov M.R. (Karamba_16)	1
191	Samarin V.A. (Samarin)	1
192	Ospanova (amazing_2007)	1
193	Odnokurtsev (AlFochino)	1
194	Tishkov G.T. (grisha6534764)	1
195	Smol'nikov F.A. (_smolnikov_)	1
196	Chernyshova V. (Airelev)	1
197	Teterin R.V. (virast)	1
198	Leonov D.V. (xannnnn)	1
199	Shirokov M.A. (Dr.Mikhail)	1
200	Spitsin V.V. (Vitaly699)	1
201	Goldobin E.G. (prm259)	1
202	Sibejkin I.A. (POIUYTHEHAPPY)	1
203	Rogachev L. (leonid19101110)	1
204	Ergonov A.G. (LexusLeha)	1					ban	ban
205	Frolov I.V. (Zevs pitbul')	1
206	Kornienko (Ivan Kornienko)	1
207	Kosh (Vlad1098)	1
208	Sajfetdinov A. (psql_magic)	1
209	Ivan (ghosty_an)	1
210	Zinov'ev I.V. (ilyazzzzzz)	1
211	Rukavitsyn A. (DillianSky)	1
212	Polyakova (plerushka)	1
213	Utkin S.A. (Aethel)	1
214	P (rinaP)	1
215	Soryu A.L. (RemiliaScarlet3)	1
216	Metel'nikov (Blizzardnikov)	1
217	Erbolat E.M. (=xX???nikita???Xx=)	1
218	Yusupov D. (Lastochkin_Khvost)	1
219	Balaev A. (andreybalaev)	1
220	Arabadzhieva L. (LiNYam)	1
221	Degovtsov K.A. (brazilian.pdf)	1
222	Naubayev A. (Almazsql)	1
223	Yaroslavskaya R.I. (gate_sq)	1
224	Rzaev (tgrnk)	1
225	musaliev B.B. (mbpride)	1
226	Kuznetsov D.A. (plesenb0)	1
227	Yakubaeva A.V. (YakaY)	1
228	Barkhieva K.L. (Kamikazee)	1
229	Manasyan V.A. (Vika543)	1
230	kosachev (Gavvvrosh)	1
231	Fedorov P. (AlbertSpangler)	1
232	Matyuhanov D.A. (Lineagi4)	1
233	Kartamysheva T.N. (Tayuya)	1
234	Da (PaineiDe)	1
235	Gaevskij D.I. (Den_0_0_7)	1
236	Batukhtin (Duckly)	1
237	Olga M.D. (witch_bonfire)	1
238	Grabovoj V.B. (eeaa)	1
239	Anastasia (astasya)	1
240	Unregistered	34

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