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June 26, 18:13 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	Iskorneva A.A. (alinkskrn)	2			4	8	ban	ban
2	P I.*. (IrinaPetr)	4	1	84		3
3	fioletovaya (fioletovaya2)	1	1	118		2
4	Safronov P.A. (Paulus73)	1	1	124		2
5	Shabalkina U.V. (Onevilus)	1			2	2
6	Shibaev (saah)	3	1	22		1
7	CH A. (nstacy)	1					15	26
8	Shamilov I.R. (NoIsLove)	1					15	23
9	Kharskij A.E. (sashakharskiy194)	3					14	23
10	Kharitonov N. (RogueLikeLHR)	2					13	22
11	Komarova (pkomarova)	4					15	21
12	Soroka (Niksa7)	2					15	19
13	Sek (Sekaznaika)	1					11	19
14	Basov O.V. (warmGlitch)	2					15	18
15	hjgkjhgkjhgkjhgkjhg (hahahahahaahahahaaa)	1					15	18
16	Egner A. (rtutra2026)	1					15	18
17	Biktimirova E. (KMCHN)	2					13	16
18	degtyarev A. (abiod)	1					10	15
19	Shamsudinova Zh. (Jasic)	1					9	15
20	Romanov E.D. (megakiller221105)	1					ban	ban
21	Zazhigalkin (kzazhigalkin)	1					8	14
22	nex (Nexkex)	1					8	14
23	Luchina I.A. (pukpuk2)	3					9	12
24	Langlits (milkeyway)	2					7	12
25	Gladkov I.A. (LegoNaiz)	1					7	12
26	Cardenas J.A. (AlfCard)	2					7	11
27	Sat'yanova P.S. (skylanxs)	2					7	10
28	Dev109 (Dev109)	2					5	10
29	Gubanova A. (GAnna_22)	2					7	9
30	Terekhova D. (Dashielle)	2					7	9
31	Pankov A.A. (apankov)	1					7	9
32	Orlov (404_500)	1					7	9
33	Mishra (Ginger457)	1					6	9
34	Sverdlov (Saxo_Grammaticus)	1					6	9
35	Dsrov (dsrovvv)	2					5	9
36	Dashiev K.B. (kentaro22)	1					5	9
37	kh A. (aliastrong)	1					7	8
38	Buba (Aleh3561)	1					7	8
39	Ajdaeva M.Sh. (marivanka)	1					4	8
40	Daron (Daron_g)	1					4	8
41	Ivanova (Alexa11111dsfsd)	2					6	7
42	Sterlev (fash.prosto.fash)	2					6	7
43	Samsonov A.Yu. (Bot_to_be)	1					6	7
44	Stonis S.O. (Sergjik23t)	1					4	7
45	Vinogradov K.O. (teachmehow)	2					5	6
46	241 4.1. (shiningsheep1)	1					4	6
47	QWEQWE Q.Q. (GATS322)	1					4	6
48	K S. (skryzh)	2					3	6
49	Fedosova O.S. (ywz knnd)	1					3	6
50	Scherbakov (chYwarY)	1					3	6
51	Loginov A.S. (arien4)	2					5	5
52	Klyavlin V.S. (laliawe)	2					3	5
53	Akameeva S.V. (SVA1)	1					3	5
54	Kolobovnikov B.R. (bodyan42)	1					3	5
55	Bobosvin (Bobosvin1)	1					3	4
56	Istomin A.E. (iShurik)	1					3	4
57	Pechkin R.E. (ZiRus)	2					2	4
58	Pahadayeu A. (AndOffline)	2					2	4
59	Petesheva (Yung Satan)	1					2	4
60	Mikhal'chuk (M.mihalchouk)	1					2	4
61	test (qwerty37892)	1					2	4
62	Saperov S.V. (s4per)	1					2	4
63	Fedyunina V.N. (Curiosity2007)	1					3	3
64	Berezovskaya D.V. (dashaeverafter)	1					2	3
65	Rabinski A. (Aliaksei_R)	1					2	3
66	Dementr (dementr02)	1					2	3
67	Leskova D.O. (doules)	1					2	3
68	Zhukov N. (sariya_)	1					1	3
69	Egorova D.O. (daria egorova)	2					2	2
70	Koktysh P.R. (iopoio)	2					2	2
71	Moroz V. (M0P03)	1					2	2
72	Kuz'mina Ya.V. (Yana_Zvezdochka)	1					2	2
73	Gazizov R. (qava)	1					2	2
74	Artsyshevskaya I. (esc_del)	2					1	2
75	Zhiryakov V.V. (vladvladzero)	2					1	2
76	Ivanov V. (vityansk)	1					1	2
77	Obukhov (Chto_eto)	1					1	2
78	Denisenko E.S. (Denchiklenchik)	1					1	2
79	Inanov (g4f23d23)	1					ban	ban
80	Gryniuk M. (Maxisoft)	1					1	2
81	Poludo O. (Mormyschka)	1					1	2
82	Yamschikov (Gambleman)	1					1	2
83	Leon F.I. (DoubleCasting)	1					1	2
84	Svetlana (Enita)	1					1	2
85	Zakharov (svyyy)	1					1	2
86	Sidorin T.A. (ZALLiRoG_XXX)	1					1	2
87	Berdnikov P. (stllife1)	1					1	2
88	Lustina Yu.I. (YuliyaLy)	1					1	2
89	Komarova (zhmuriq)	1					1	2
90	Fomina (Julia25!)	3					1	1
91	Sairanbek D. . (sairanbek_darkhan)	2					1	1
92	babasic (babasic)	2					1	1
93	Abdikali (Nurbis)	2					1	1
94	Krylova (bartyy1)	2					1	1
95	Titov V.A. (vatitov)	2					1	1
96	Makarova A. (JuStudent)	1					ban	ban
97	Nik (nikvip)	1					1	1
98	Bovikov B.S. (LVII)	1					1	1
99	Iva E.A. (PlatinumKub10)	1					1	1
100	Zvereva M.M. (maria.zvr)	1					1	1
101	Krasovskij E.A. (pegoopik)	5
102	Egner A. (rtutra)	3
103	Kurochkin P.A. (qwrqwr)	2
104	M (MrQzZza)	2
105	Pochtova E.A. (Evgesha13)	2
106	Lazarev D. (Scrollcer)	2
107	Ivanov (bravek)	2
108	Zyuzin V. (Palisander)	2
109	Andrusenko A.P. (billyzmoon)	2
110	Yakovleva E. (ne_psihuy)	2
111	Soboleva I.Yu. (Matreshka_)	2					ban	ban
112	Ivanov M.A. (Yokki)	2
113	Bogdanov N.A. (neshy02)	2
114	Kuz'mina E.V. (Fiction)	1
115	Evlanova (Kate_E)	1
116	Lobenko M. (Maksym28)	1
117	Kanimetov (Kanimetov)	1
118	Sma N.N. (gooner123)	1
119	Rostomyan (Norayr)	1					ban	ban
120	Gorbatova (Triton512)	1
121	Orlov A. (esterio)	1
122	Nikol'skij I.Yu. (igoryun)	1
123	Komarov A.N. (Shveda Saulya)	1
124	Ivanov I.I. (vlad91)	1
125	123 (TiRaaaN1)	1
126	Brooda (Brooda(Brooda))	1
127	Sergey (Floony.by)	1
128	Bridges O. (Oleg503)	1
129	Serebryakov I.B. (Vano23)	1
130	Hades (Hades1)	1
131	Agafonov E.L. (MrBubr)	1
132	Gantsev N.S. (Gallifrey)	1
133	Petrov A. (anna_ptrv)	1
134	Sharikov (Azaza_12349)	1
135	Nemnyugina K.V. (KseniyaKsen)	1
136	Makharadze A. (armakharadze)	1
137	Bakunin (sturm_42)	1
138	Tutorev (belfi911)	1
139	Petrov (R1ko)	1
140	Saponyuk V. (Vladis)	1
141	Sergey (SergeyKulagin)	1
142	Aleksandrov A.Yu. (AlexandrovAY)	1
143	Washington G.W. (Aeramas)	1
144	Osipov M.N. (Maksim22)	1
145	Sidorova A.V. (AnVaSi)	1
146	Shikov V. (Viktor_TG)	1
147	Ortemkovich (pepussia)	1
148	sulejmanova (madikas)	1
149	Bananov (Kertasniker)	1					ban	ban
150	Zhdanov (Romain1408)	1
151	Ivanova (anboanmi)	1
152	Sarkis'yan G. (gennadi_s)	1
153	ss A.S. (SashaSS)	1
154	Rodin (uoloki)	1
155	Kulikov M.O. (maximcka87)	1
156	Zhmyshenko (notepu1)	1
157	Muthukrishnan A. (Agal13)	1
158	Gayazov R. (rafa9339)	1
159	Fyrfyr R.Y. (montalaar)	1
160	Grigorev P. (Graig)	1
161	Sokolov (zelenogrodov)	1
162	K (Valeriya K)	1
163	Bosalygo (TXBNN)	1
164	R. (Wra1th)	1
165	Tokar K.I. (Zegwaer)	1					ban	ban
166	Usov D. (Tolkovyj)	1
167	Khakimov B.S. (0511)	1
168	Medvedev A.A. (Meddvedd)	1
169	Mazlov I.I. (Lucky Star)	1
170	Lolotrek (Serg3236)	1
171	Lysykh V.K. (Usilitel')	1
172	Rygina T.V. (Tatyana1804)	1
173	m4d (m4df0x)	1
174	Leonov D.V. (xannnnn)	1
175	Sar B. (Sobol-08)	1
176	Kasatkin E.D. (Shvins)	1
177	Desyatkov A.A. (Devastated666)	1
178	ttttt (sqlchelik)	1
179	Bogatyrev N.V. (BNV2873)	1					ban	ban
180	Obukhov A.V. (Alex_71)	1
181	Ivanova (nahi1)	1
182	Schegol' Yu. (JulyaSchegol)	1
183	Kyroto1 A. (Kyroto)	1
184	Tyutyurikov E.A. (ewgtut_)	1
185	Bochkova (AnyaBo)	1
186	Sherstobitova E.S. (kitssis)	1
187	S (n1pron)	1
188	Shamakov (Work_work)	1
189	Cherkinskiy A.O. (poopuskin)	1					ban	ban
190	Semenova A. (senasta)	1
191	niko (lenovolog15)	1
192	Ivanov (tail85)	1
193	Silva B.S. (marim0)	1
194	Turuzbekova A.M. (Aylin120699)	1
195	M I. (Irina2026)	1
196	Usikova (Ya.)	1
197	Kovalev N. (Fantasyer)	1
198	Go G.G. (greegory)	1
199	Sedakov M. (gamigami)	1
200	Popova K.A. (Ksen123)	1
201	Stasenko P.I. (polya_st)	1
202	Sukhov K.A. (ska_126)	1
203	Asainov V.O. (crzvldslv)	1
204	Ivanov I.I. (osel12)	1
205	AA (VVVIIIKKK)	1
206	Charikov N.A. (Chareak)	1
207	il'in P. (hryak)	1
208	Chernenko S.G. (Livsey)	1
209	Sorokin A.V. (unitcreature)	1
210	Fridman M.A. (MFridman)	1
211	Kobzev A. (xapip)	1
212	Ivanov (gosling2077)	1
213	Kochnev N. (Alpha Antares)	1
214	Khruleva T.V. (hrlv)	1
215	Bykov A.F. (Kabok)	1
216	Moroz O.I. (Oleksii_Moro)	1
217	a M.E. (Adrie)	1
218	Mark D.D. (Backstrickboy)	1
219	Unregistered	28

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