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July 01, 17:14 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	Safronov P.A. (Paulus73)	2	2	128		3
2	Gitinomagomedov (gmansur88)	1	1	63	1	2
3	Vladimirovich V.B. (vladimirbaget)	1	1	-2		2
4	Pikova E. (eeryringo)	1	1	1		1	13	16
5	Shibaev (saah)	1	1	28		1
6	Vasya P.R. (Dagotra)	1			1	1	1	2
7	Tarashev K.A. (KirillT)	3					91	149
8	serva4ok (serva4ok)	2					15	26
9	Ajgunov G.A. (m0rtem1)	1					15	26
10	Kolevatov A. (stopPOWERBI)	1					15	26
11	rozhina N.P. (werty456)	1					15	25
12	hjgkjhgkjhgkjhgkjhg (hahahahahaahahahaaa)	1					15	24
13	Aleshina N.I. (nataliealeshina)	3					15	22
14	Yakovlev V.V. (vova2plova)	1					15	19
15	Podgornaya D.R. (Himikoo)	1					15	18
16	Voranava K. (ks.vor)	1					15	18
17	klimova (kem_171)	1					13	16
18	Shelekasov (Vasshell)	1					11	16
19	ferev (ferev92253)	1					12	15
20	Berdnikov P. (stllife1)	1					11	15
21	Shamilov I.R. (NoIsLove)	1					9	15
22	Altashin S.V. (burrito)	2					9	14
23	Shin (ES1989)	1					11	13
24	Podlesnyh I. (ivan_podlesnyh)	3					10	13
25	Petrunina A.Yu. (petruniina)	1					10	13
26	Pichuzhkina O.V. (vyhuholl)	1					9	13
27	shizik S.S. (shizoid67)	1					8	13
28	Lomtev E.S. (lomtiov)	3					9	12
29	Voronov M.A. (moineswood)	1					9	12
30	Ivanov M.V. (KaIugaS)	1					9	11
31	Osipov M.N. (Maksim22)	1					7	11
32	Perevozkin (emaevsemae)	2					10	10
33	Kiseleva P.A. (Darkness_Mori)	1					7	10
34	Yakovlev (Dez46)	1					7	9
35	Kulikov K.A. (K1lpita)	1					7	9
36	NoName (Citramonus)	3					6	9
37	Zazhigalkin (kzazhigalkin)	2					6	9
38	Ivanova A.A. (Nasstia449)	1					5	9
39	Vedeneev V.S. (Feral4ik)	2					6	7
40	Sukhina (Udi_ulia)	1					6	7
41	Sharts M. (Maria1202$)	1					6	7
42	Fomina (Julia25!)	1					5	7
43	KpocaB4er (kpocaB4er)	1					5	7
44	Krivel'skij M.V. (Mizuba)	2					4	7
45	Kudryavceva (pgadmin)	2					4	7
46	Smolenskaya A. (Ridicule)	1					4	7
47	nex (Nexkex)	1					4	7
48	Nikolaeva (Galinator)	1					4	7
49	Loginov A.S. (arien4)	1					3	6
50	Nogin V.N. (Geese)	2					5	5
51	Yur (Stipashka06)	1					5	5
52	Solomakha (littlecookiecutterA)	1					5	5
53	Bidakhmetov D.A. (disa030423)	1					5	5
54	Semenov (asv_1)	1					4	5
55	Pushkarev S. (PSV_n)	1					3	5
56	Balandina K.O. (BalandinaK)	1					3	5
57	Aleschenko L.A. (hhheko)	2					4	4
58	Tuigynbekov Z.D. (Lodka111)	1					4	4
59	Barkova N. (nbarkova)	1					4	4
60	Zagitov R.R. (qosquo)	2					3	4
61	QWEQWE Q.Q. (GATS322)	1					3	4
62	Detskaya A. (detskaya)	1					3	4
63	Saperov S.V. (s4per)	1					3	4
64	Makhmetov A.A. (Noiseless)	1					2	4
65	Aduev I.L. (Mazzerati)	1					2	4
66	Stonis S.O. (Sergjik23t)	1					2	4
67	Sverdlov (Saxo_Grammaticus)	1					2	4
68	Sychkov A.V. (fefert)	1					3	3
69	Tret'yakov A. (Tolyas88)	2					2	3
70	Koktysh P.R. (iopoio)	2					2	3
71	Fedosova O.S. (ywz knnd)	1					1	3
72	Denisenko E.S. (Denchiklenchik)	1					2	2
73	Yarovaya M.V. (meleema)	1					2	2
74	Gol'dman E. (Bessmysliye)	1					2	2
75	Urakina K. (Ksu774)	1					2	2
76	Ivanov I.I. (vlad91)	2					1	2
77	Sergey (Floony.by)	2					1	2
78	Melkonyan N.G. (Marzpetunii)	2					ban	ban
79	Mitrey (_mitrey)	2					1	2
80	Ivanov I.I. (meow?s)	2					1	2
81	Yarmolyuk N.V. (natalitalk)	2					1	2
82	Zverev D.L. (dimzv)	1					1	2
83	Dogadov S.V. (Serzho)	1					1	2
84	Berezovskaya D.V. (dashaeverafter)	1					1	2
85	Leonov D.V. (xannnnn)	1					1	2
86	Obukhov A.V. (Alex_71)	1					1	2
87	Evgen'ev (gek_c)	1					1	2
88	Petrov A.I. (Tobo-bobo)	1					1	2
89	Mel'nikov A.I. (050036Almaty)	1					1	2
90	Iva E.A. (PlatinumKub10)	1					1	2
91	Khristyuk A.A. (NassKh)	1					1	2
92	belok B.B. (belok1)	1					1	2
93	Askalenkova M. (miracleapsara)	1					1	2
94	Kakh V. (ViktoriyaK)	2					1	1
95	Pahadayeu A. (AndOffline)	1					1	1
96	Myrzabek N.K. (nurrrzat)	1					1	1
97	Shashok (hallucination)	1					1	1
98	lolkeker I.G. (smetenayoy)	1					1	1
99	Todoriko S.M. (todorikosm)	1					1	1
100	Sobachkin A.F. (Al_Wolf)	1					1	1
101	Gerasimenko A. (alexey_ger)	1					1	1
102	Semenov R.V. (Neuchenyj)	1					1	1
103	est' S.V. (thmr)	1					1	1
104	Chentsov A. (AlexBell1)	3
105	Kuz'mina E.V. (Fiction)	2
106	Krasovskij E.A. (pegoopik)	2
107	Vodolazova A.V. (Vodolla)	2
108	Smith (tibacityblues)	2
109	Frolov (pilotm)	2
110	Shampe_new S.S. (Shampe_new)	2
111	Mikhajlov A. (Mikhailov A. A.)	2
112	fioletovaya (fioletovaya2)	2
113	P I.*. (IrinaPetr)	2
114	Medvedev A.A. (Meddvedd)	2
115	Tsarkov D. (Daniil_.v__)	2
116	Tugdumov B.B. (Badara_01341)	2
117	Bogatyrev N.V. (BNV2873)	2					ban	ban
118	Korshunova I.A. (Korshunova Irina)	2
119	Allaberenov (Asinus_Buridani_inter_duo)	2
120	Denys (denys_chornyi)	2
121	Babynina Ya.A. (Yana759)	2
122	Afanasova S. (Laohu)	2
123	Reddy (Neerureddy)	2
124	V (Tenyva)	1
125	Koptel'tsev V. (selber)	1
126	Ozerchuk A. (anka9205)	1
127	Pyagay B. (Boris_P)	1
128	Kharlamov (Arcanum)	1
129	Sinitsyn V.O. (SKYwalkeR_VS)	1
130	Zhur (Tanets)	1
131	Kharchenko E.A. (ji.xi)	1
132	Shakhurina A.I. (LikaShah)	1
133	Kokorev A.V. (Die_my_darling)	1
134	Scheglov A.I. (lobzik_pakovskiy)	1
135	Zajtsev D.A. (GLZO1995)	1
136	Nikol'skij I.Yu. (igoryun)	1
137	Tsay S. (Sergey Ts.)	1
138	Safiullin A.D. (Sir_Arthur)	1
139	Pochtova E.A. (Evgesha13)	1
140	Gezhin O. (Gezhin_O_A)	1
141	Veselov O.S. (Ollllleg)	1
142	Neskin E.V. (Mopkovka)	1
143	Dvoryadkin (Proofik)	1
144	Kovalenko A.A. (Andrey86_)	1
145	Lavrent'eva I.N. (bibaby)	1					ban	ban
146	Lymarenko V.V. (VladkoOladko)	1
147	Golanov A.A. (Shikano)	1
148	Markova (Irena280880)	1
149	Gurashkin K. (Crocko)	1
150	sql_agent (sql_agent07)	1
151	Meiramov A.H. (Aikhan)	1
152	Russkikh D.S. (rtyzx)	1
153	Pogalov S.A. (Sergej Pogalov)	1					ban	ban
154	Nurlygayanova E.A. (relationskatie)	1
155	Alexander A.C. (AlexBell111111)	1
156	Bud (Arkashaaa)	1
157	Golovkin I.A. (GHOST2508)	1
158	Dzhumaev T.R. (Tibo777)	1					ban	ban
159	R. (Wra1th)	1
160	Khuzin V. (Vitalification)	1
161	Lysykh V.K. (Usilitel')	1
162	Bulavko D.V. (az.esm)	1
163	Boronbaev D. (senpaidias7)	1
164	Stakhan A.J. (alioka)	1
165	Makhortov D.B. (Dmitriy_Borisovich)	1
166	Sairanbek D. . (sairanbek_darkhan)	1
167	Dubovtsova D.L. (Yesnere)	1
168	Filyuta A.D. (FiliutaAD)	1
169	Maevskaya A.N. (mvskkkk)	1
170	Arutyunyan V.I. (tamplier39)	1
171	Sorokina E.A. (papeichaiok)	1
172	Matys E.V. (Naeko)	1
173	Sheleg A. (Kwasha)	1
174	Khusnutdinov D.D. (Abdulxamid)	1
175	g G.G. (querySolver28)	1
176	Kuznensov A. (kuznec4life)	1
177	Anas (CodeSavyMind)	1
178	Okolnikova (SofyaO)	1
179	Kurkin T.S. (KTS1995)	1
180	Lyal'kova I.S. (Davydova)	1
181	Nikiforova (nvarvara)	1
182	Nakonechnaya V.S. (Zarela)	1
183	Golikova K.K. (kragl)	1
184	KatyaM (Hacker_Kat)	1
185	Skorіkov D. (devus)	1
186	QQQ (Qooqeu)	1
187	Sobolev N.A. (NickolaySobolev)	1
188	Belyatskiy A.A. (ABOBA67)	1
189	Ivanov (linaoli)	1
190	test (qwerty37892)	1
191	- -.-. (stuffday)	1
192	Kuvshinov (Kuvshinka)	1
193	Titov A.-. (ant_tt)	1					ban	ban
194	Kim P.A. (kimpashaa)	1
195	Krylov P.E. (Pavel333333)	1
196	Asanova D. (Diana14)	1
197	Esir (erisky)	1
198	Fridman M.A. (MFridman14)	1					ban	ban
199	Yazvenko M.E. (Mikhail_32)	1
200	Rytikov I. (Ivan_1984)	1
201	gama (gamanl)	1
202	Avamzachemov (cnfrfycdjljq)	1
203	Familiya A.O. (Alex_PV1589)	1
204	Skriptsov I.V. (ivan.skr)	1
205	rai T. (Timur64)	1
206	Shishaev B.V. (memchik2020)	1
207	Chepkasova P. (Polina290701A)	1
208	Almazovich D. (Sallivan_G)	1
209	Komarova O.V. (shadownow)	1
210	Kebekbaeva N.A. (Nargiza123456)	1
211	P E.S. (Elean)	1
212	kelapa A. (kelapa)	1
213	Mukhamed'yarov A.R. (alex_mu002)	1
214	Khajrov I. (Hai_Ro)	1
215	Antonova E.V. (ElenaVAntonova)	1
216	Bromberg A. (ariel_bro)	1
217	Unregistered	24

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