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June 26, 17:03 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)	2					13	22
10	Komarova (pkomarova)	4					15	21
11	Kharitonov N. (RogueLikeLHR)	2					11	20
12	Soroka (Niksa7)	1					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	Romanov E.D. (megakiller221105)	1					ban	ban
20	Zazhigalkin (kzazhigalkin)	1					8	14
21	Shamsudinova Zh. (Jasic)	1					8	13
22	Luchina I.A. (pukpuk2)	3					9	12
23	Langlits (milkeyway)	2					7	12
24	Gladkov I.A. (LegoNaiz)	1					7	12
25	Cardenas J.A. (AlfCard)	1					7	11
26	Sat'yanova P.S. (skylanxs)	2					7	10
27	nex (Nexkex)	1					6	10
28	Dev109 (Dev109)	2					5	10
29	Gubanova A. (GAnna_22)	2					7	9
30	Pankov A.A. (apankov)	1					7	9
31	Orlov (404_500)	1					7	9
32	Terekhova D. (Dashielle)	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	Buba (Aleh3561)	1					7	8
38	Ajdaeva M.Sh. (marivanka)	1					4	8
39	Daron (Daron_g)	1					4	8
40	Sterlev (fash.prosto.fash)	2					6	7
41	Samsonov A.Yu. (Bot_to_be)	1					6	7
42	Vinogradov K.O. (teachmehow)	2					5	6
43	241 4.1. (shiningsheep1)	1					4	6
44	QWEQWE Q.Q. (GATS322)	1					4	6
45	Fedosova O.S. (ywz knnd)	1					3	6
46	Scherbakov (chYwarY)	1					3	6
47	Loginov A.S. (arien4)	2					5	5
48	kh A. (aliastrong)	1					4	5
49	Klyavlin V.S. (laliawe)	2					3	5
50	Akameeva S.V. (SVA1)	1					3	5
51	Kolobovnikov B.R. (bodyan42)	1					3	5
52	Bobosvin (Bobosvin1)	1					3	4
53	Istomin A.E. (iShurik)	1					3	4
54	K S. (skryzh)	2					2	4
55	Pechkin R.E. (ZiRus)	2					2	4
56	Pahadayeu A. (AndOffline)	2					2	4
57	Saperov S.V. (s4per)	1					2	4
58	Berezovskaya D.V. (dashaeverafter)	1					2	3
59	Dementr (dementr02)	1					2	3
60	Zhukov N. (sariya_)	1					1	3
61	Egorova D.O. (daria egorova)	2					2	2
62	Moroz V. (M0P03)	1					2	2
63	Kuz'mina Ya.V. (Yana_Zvezdochka)	1					2	2
64	Gazizov R. (qava)	1					2	2
65	Zhiryakov V.V. (vladvladzero)	2					1	2
66	Ivanov V. (vityansk)	1					1	2
67	Obukhov (Chto_eto)	1					1	2
68	Denisenko E.S. (Denchiklenchik)	1					1	2
69	Inanov (g4f23d23)	1					ban	ban
70	Gryniuk M. (Maxisoft)	1					1	2
71	Petesheva (Yung Satan)	1					1	2
72	Artsyshevskaya I. (esc_del)	1					1	2
73	Yamschikov (Gambleman)	1					1	2
74	Leon F.I. (DoubleCasting)	1					1	2
75	Svetlana (Enita)	1					1	2
76	Stonis S.O. (Sergjik23t)	1					1	2
77	Zakharov (svyyy)	1					1	2
78	Sidorin T.A. (ZALLiRoG_XXX)	1					1	2
79	test (qwerty37892)	1					1	2
80	Berdnikov P. (stllife1)	1					1	2
81	Lustina Yu.I. (YuliyaLy)	1					1	2
82	Leskova D.O. (doules)	1					1	2
83	Sairanbek D. . (sairanbek_darkhan)	2					1	1
84	babasic (babasic)	2					1	1
85	Abdikali (Nurbis)	2					1	1
86	Krylova (bartyy1)	2					1	1
87	Titov V.A. (vatitov)	2					1	1
88	Koktysh P.R. (iopoio)	2					1	1
89	Makarova A. (JuStudent)	1					ban	ban
90	Nik (nikvip)	1					1	1
91	Bovikov B.S. (LVII)	1					1	1
92	Iva E.A. (PlatinumKub10)	1					1	1
93	Zvereva M.M. (maria.zvr)	1					1	1
94	Fomina (Julia25!)	1					1	1
95	Krasovskij E.A. (pegoopik)	5
96	Egner A. (rtutra)	3
97	Kurochkin P.A. (qwrqwr)	2
98	Pochtova E.A. (Evgesha13)	2
99	Lazarev D. (Scrollcer)	2
100	Ivanov (bravek)	2
101	Zyuzin V. (Palisander)	2
102	Andrusenko A.P. (billyzmoon)	2
103	Yakovleva E. (ne_psihuy)	2
104	Ivanov M.A. (Yokki)	2
105	Bogdanov N.A. (neshy02)	2
106	Kuz'mina E.V. (Fiction)	1
107	Evlanova (Kate_E)	1
108	M (MrQzZza)	1
109	Lobenko M. (Maksym28)	1
110	Kanimetov (Kanimetov)	1
111	Sma N.N. (gooner123)	1
112	Rostomyan (Norayr)	1					ban	ban
113	Gorbatova (Triton512)	1
114	Orlov A. (esterio)	1
115	Nikol'skij I.Yu. (igoryun)	1
116	Komarov A.N. (Shveda Saulya)	1
117	123 (TiRaaaN1)	1
118	Sergey (Floony.by)	1
119	Bridges O. (Oleg503)	1
120	Serebryakov I.B. (Vano23)	1
121	Hades (Hades1)	1
122	Agafonov E.L. (MrBubr)	1
123	Gantsev N.S. (Gallifrey)	1
124	Petrov A. (anna_ptrv)	1
125	Sharikov (Azaza_12349)	1
126	Nemnyugina K.V. (KseniyaKsen)	1
127	Makharadze A. (armakharadze)	1
128	Bakunin (sturm_42)	1
129	Tutorev (belfi911)	1
130	Petrov (R1ko)	1
131	Saponyuk V. (Vladis)	1
132	Sergey (SergeyKulagin)	1
133	Aleksandrov A.Yu. (AlexandrovAY)	1
134	Washington G.W. (Aeramas)	1
135	Osipov M.N. (Maksim22)	1
136	Sidorova A.V. (AnVaSi)	1
137	Shikov V. (Viktor_TG)	1
138	Ortemkovich (pepussia)	1
139	sulejmanova (madikas)	1
140	Bananov (Kertasniker)	1					ban	ban
141	Zhdanov (Romain1408)	1
142	Ivanova (anboanmi)	1
143	Sarkis'yan G. (gennadi_s)	1
144	ss A.S. (SashaSS)	1
145	Rodin (uoloki)	1
146	Kulikov M.O. (maximcka87)	1
147	Gayazov R. (rafa9339)	1
148	Grigorev P. (Graig)	1
149	Sokolov (zelenogrodov)	1
150	K (Valeriya K)	1
151	Bosalygo (TXBNN)	1
152	R. (Wra1th)	1
153	Tokar K.I. (Zegwaer)	1					ban	ban
154	Usov D. (Tolkovyj)	1
155	Khakimov B.S. (0511)	1
156	Medvedev A.A. (Meddvedd)	1
157	Mazlov I.I. (Lucky Star)	1
158	Lolotrek (Serg3236)	1
159	Lysykh V.K. (Usilitel')	1
160	Rygina T.V. (Tatyana1804)	1
161	Ivanova (Alexa11111dsfsd)	1
162	Leonov D.V. (xannnnn)	1
163	Sar B. (Sobol-08)	1
164	Kasatkin E.D. (Shvins)	1
165	Desyatkov A.A. (Devastated666)	1
166	ttttt (sqlchelik)	1
167	Bogatyrev N.V. (BNV2873)	1					ban	ban
168	Obukhov A.V. (Alex_71)	1
169	Ivanova (nahi1)	1
170	Schegol' Yu. (JulyaSchegol)	1
171	Kyroto1 A. (Kyroto)	1
172	Tyutyurikov E.A. (ewgtut_)	1
173	Soboleva I.Yu. (Matreshka_)	1					ban	ban
174	Bochkova (AnyaBo)	1
175	Sherstobitova E.S. (kitssis)	1
176	S (n1pron)	1
177	Shamakov (Work_work)	1
178	Cherkinskiy A.O. (poopuskin)	1					ban	ban
179	Semenova A. (senasta)	1
180	niko (lenovolog15)	1
181	Ivanov (tail85)	1
182	Silva B.S. (marim0)	1
183	Turuzbekova A.M. (Aylin120699)	1
184	M I. (Irina2026)	1
185	Kovalev N. (Fantasyer)	1
186	Sedakov M. (gamigami)	1
187	Stasenko P.I. (polya_st)	1
188	Sukhov K.A. (ska_126)	1
189	Asainov V.O. (crzvldslv)	1
190	Ivanov I.I. (osel12)	1
191	AA (VVVIIIKKK)	1
192	Charikov N.A. (Chareak)	1
193	il'in P. (hryak)	1
194	Chernenko S.G. (Livsey)	1
195	Sorokin A.V. (unitcreature)	1
196	Fridman M.A. (MFridman)	1
197	Kobzev A. (xapip)	1
198	Ivanov (gosling2077)	1
199	Kochnev N. (Alpha Antares)	1
200	Fedyunina V.N. (Curiosity2007)	1
201	Unregistered	25

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