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December 07, 10:39 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	Zyablikova A.S. (Logo)	1			11	13
2	Konovalova V.D. (Vikuskonov)	1			9	9
3	Perevoznikova A.K. (perevoznikova16101998)	1			9	9
4	Sunlya A.A. (yuudachi)	1			8	8
5	Ushakova A.I. (ushakova89144366751)	1			8	8
6	Grin (Ashen_Rain)	1			3	5	ban	ban
7	mir I.X. (eblarot)	1			1	2
8	Pronin P.S. (proninpaul)	1			1	1
9	Yakovleva T.V. (YakovlevaT)	1			1	1
10	Kavalei D.V. (DonegaL)	1			1	1
11	Desyukevich (Sklog)	1			1	1
12	Nazarchuk Yu.A. (iorangeboy)	1					ban	ban
13	hfjjnlljuyufv H.G. (Maktab)	1					14	20
14	Barbieri J.E. (emi10barbieri)	1					14	19
15	ra A.R. (abdurazzoq2001)	2					13	19
16	Turaev J.U. (Jafar_1997)	1					13	19
17	Abdialimov F.B. (Foziljon)	1					13	19
18	Majidov M.A. (samsung01234)	1					13	19
19	Muminov S.M. (Salmon_forsiy)	1					13	19
20	lan (ljana7777)	1					12	18
21	POD A.Z. (ghtyuiop)	1					12	18
22	Pardayev A.S. (abcdabdu)	1					12	17
23	Suvorov A.V. (Aleksandr Suvorov)	1					8	17
24	Sultonmurodov U.B. (Usmon.)	1					11	16
25	Quranboyev S.I. (mirob)	2					10	16
26	Mezhenina A.V. (Mezhi)	1					12	15
27	tukhtayev X.S. (skromniy)	1					11	15
28	Sokolova (alerion)	2					7	15
29	Strel'nikov A. (Stulker321)	2					10	14
30	Ivanov M.A. (Misha100896)	1					9	14
31	Balashova M.O. (Mas12)	1					11	13
32	Ivanov (gazelle)	1					10	13
33	Tran H. (Gia Lang)	1					8	13
34	Giniyatullin (Bulat_Giniyatullin)	1					6	12
35	Antonov D.V. (AkTs)	1					5	12
36	Majorova V.A. (VeronikaMa)	1					5	11
37	Makusheva E. (KaterinaVitalevna)	1					5	10
38	Zajtsev A.Yu. (RobinVanDutch)	1					5	10
39	Polosukhin A.V. (O4kovayaKobra)	1					5	10
40	Abdula M.D. (amanda.admin)	1					5	10
41	Mikhalyov P.S. (Krummp)	1					7	9
42	Rudenko L. (Likelika)	2					6	9
43	Nizova E.A. (Nizova Ekaterina)	1					6	9
44	Demidova A.D. (alenademidova19)	1					6	8
45	Sakharov A. (Antioch)	1					5	8
46	Allaberganov J.S. (F1end)	1					5	8
47	Lozhkin D. (DanielDraw)	1					4	8
48	Kruk O. (OleksandraKruk)	1					7	7
49	Rakhmatullin I.R. (frixs251)	1					6	7
50	Zajtsev S.A. (mifis)	1					6	7
51	Zhmyshenko V.A. (Imonf1re)	1					5	7
52	Grushkov V.E. (pukich_kakich3228)	1					4	7
53	Samatov D.A. (k0bprod)	1					4	7
54	Cemenova E. (freelamer)	1					4	7
55	Bykov D.A. (DmitryByk)	1					4	7
56	Smolentsev E.V. (kakich_pukich8223)	1					4	7
57	Eremeev K.K. (Llonko-sama)	1					4	7
58	Sadovschikov (nikSad)	2					6	6
59	Bessonov (Alexbess)	1					4	6
60	Kutovaya (Meteora2007)	1					4	6
61	Golubev Yu.A. (Golybev)	1					3	6
62	Dmitry-Y (Dmitry-Y)	1					3	6
63	Chukhan (d_ponka)	2					5	5
64	Iskhakova A.G. (Alina917)	1					5	5
65	Iakovleva (SvetlaIa)	1					5	5
66	Jonson (Rimanson)	1					5	5
67	Abiyeva S. (abiyevas)	1					5	5
68	hnypiuk V.V. (vasyl2019)	1					4	5
69	Gorbatenko (TurbO777)	2					3	5
70	Saprygina (SIVka)	1					3	5
71	Shrekov Sh.F. (Somebody once told me)	1					3	5
72	Oleg (33213kd)	1					4	4
73	Kotov (TOKAHABA)	1					4	4
74	Sharova M.D. (maria.sh859)	1					4	4
75	Sivukhin S. (Tushinets)	1					4	4
76	Vorob'yov A.S. (Assura)	1					3	4
77	Shostak (NickSh)	1					2	4
78	Kos (Jarek94)	1					2	4
79	Repin M. (repin-mihail)	1					2	4
80	Grigorenko L. (Lennoxx_)	1					2	4
81	Mikushev (Miku11rus)	1					2	4
82	Karpehova N. (Lisa_lisa)	2					3	3
83	Sql I.2. (sqlivan)	1					3	3
84	Ali A.A. (Aliiiiiii)	1					3	3
85	vpershukov (vpershukov)	1					3	3
86	rsvddda R.R. (rsvd)	1					2	3
87	Dubova N. (Dubova N.)	1					1	3
88	Fisina V. (Vikushonok)	1					1	3
89	Ivanov (tantin)	1					2	2
90	M D.N. (Dianneonly)	1					2	2
91	Vedenskij (BlackReivon)	1					2	2
92	ptaridze (leqso)	1					1	2
93	Bannikov V. (Aybara)	1					1	2
94	Xue (hellsega42)	1					1	2
95	Garaev N.K. (Rikky_717)	1					ban	ban
96	Suriyanarayanan K. (Kuppuswamy)	1					1	2
97	G-zha M. (Marij-ka)	1					1	2
98	Sakhnєvich N.O. (nataliiaol2201)	3					1	1
99	Walia M. (manishwalia00)	2					1	1
100	ivanova E.I. (elena.ivanova)	1					1	1
101	Rusinov I. (dezdichado)	1					1	1
102	Kuzmichev D. (SmilingKnightHero)	1					1	1
103	Bogdanovich P.A. (inspectorGadjet)	1					1	1
104	Korobejnikov A.S. (qwertyytrewq322)	1					1	1
105	Gilyov D.A. (Smiley322)	1					1	1
106	Tka I. (Aspirant_M)	2
107	Sheremet'ev P.V. (flyinkilla)	2
108	Sigankov V.I. (vasilyvanc)	2
109	Fedotov M. (MihFedMFChelSU)	2					ban	ban
110	Gnusov L.Yu. (Delan)	2
111	Prasolova N. (NPra)	2
112	Burbulea N.O. (Hikgro)	2
113	Ivanov R.Ya. (ASUTP)	2
114	Spasova V.G. (Vesi)	1
115	Zelinskij (tugrik)	1
116	Sharipova T. (Areliya)	1
117	Koptel'tsev V. (selber)	1
118	23123 2.1. (234112412)	1
119	Murtazin A. (Ayzat)	1
120	Mikhailov (glebmikha)	1
121	Something E.S. (Solka)	1					ban	ban
122	Milenkov (wqer)	1
123	Chernov D.V. (Kursist)	1
124	Bedrintsev (SkullMaster)	1
125	Dzogij A.S. (Snake_ASD)	1
126	Kovalchuk (a.kovalchuk)	1
127	Ruslan (Ultras_FCMKh)	1					ban	ban
128	Iov R. (romandancer)	1
129	Doronin D. (dimas91)	1
130	Garaev N.K. (nazip)	1					ban	ban
131	Omarov T.T. (Rovno15simvolov)	1
132	Rakunova V.S. (Varvera)	1
133	Damirov V. (Deufh)	1
134	Permyakova A. (nastya791)	1
135	Lo D. (danilLo1)	1
136	Askarov (LOVEca4)	1
137	Shokirov S.A. (Shahriyor_1995)	1
138	Aliev (Laqab)	1
139	A (stanbbk)	1
140	Pimenov A.S. (pilotarthur)	1
141	yadav Y. (yash Yadav Kumar)	1
142	Levchenko E. (levchenkoea88)	1
143	dukilu (dukilu7453)	1
144	Areshko A.A. (AresArs)	1
145	Liusikov (St0)	1
146	Kulemin (a.kulemin)	1
147	Kondakov I.K. (Igara)	1
148	Mirzaaghayev (mirzagaew)	1
149	Pironko A.V. (Anna_Pironko)	1					ban	ban
150	Tosenko I. (bbuilder)	1
151	Fantasov T.S. (Timoxa1992)	1					ban	ban
152	Kirilov A.V. (Arbaiter)	1
153	Tsygan (tsygan19919191919)	1
154	Tyannikov V.P. (TVP)	1
155	Kruchin B. (pretzel)	1
156	Krapivina (Monkey19)	1
157	Semenenko M.A. (typaflex228)	1
158	Ignatov (mockingbird1)	1
159	Yavelskaya K. (ksgermgrrr)	1
160	Du J. (xuana211)	1
161	Makarenko D.I. (makareyka97)	1
162	Menyajlo E.A. (Dark Horse)	1
163	Lepaeva E.S. (Katerina Lepaeva)	1
164	Ilyasova (TildaS)	1
165	Podporina A. (anna21)	1
166	StyleOfSpur (StyleOfSpur)	1					ban	ban
167	Mamisashvili E. (Erekle41)	1
168	Kulakov (Arsenic_Taraxacum)	1
169	Ponizov N.S. (Ded_MPT)	1
170	Yonov T. (NIKO369)	1
171	Nech (alex_37)	1
172	Trus (VladaTrus)	1
173	Sotnikov R.Ya. (AXEMAN)	1
174	Slavcheva M.G. (Mihaela16)	1
175	Ivanov P.P. (PlamenIvanov)	1
176	Vlasov V.V. (VlasoValera)	1
177	Kharyshyn (khrystyna1304)	1
178	Ushakov M. (MykolaUshakov)	1
179	Swagla A. (gitarist)	1
180	Shmidt E.Sh. (Elena2020)	1
181	Mikhajlov A.A. (Marktest)	1
182	Solov'ev N.V. (nickolas15008)	1
183	Chernov N. (sidside)	1
184	Kladov D.Yu. (Pozitiffchik)	1
185	Sergeev A.V. (Aleksandr762)	1
186	Faka A. (Limaner)	1
187	Kharlamova (tasecka)	1
188	Gubareva E.G. (Chocolate Profiterole)	1
189	Sencha N. (Tasha1407)	1
190	Nimenkii V. (vovanim)	1
191	Stolba (OnlyOneMMF)	1
192	Zelenskij Zh.S. (larken)	1
193	Skryl'nikov V.V. (__Mr. X)	1
194	Savvina A.A. (Savvina Nastya)	1
195	Egorova Yu.N. (egorova_ul)	1
196	Kaverina M.S. (Lirila_)	1
197	Kashapov I. (anficargo)	1
198	Valishevskij M. (Maxmimi)	1
199	Bulatov A. (al3881)	1
200	Rosie (Annierosie)	1
201	Borodina (Nairish)	1
202	Golosov A.A. (golosalex)	1
203	assasadad R.V. (sasdsadas)	1
204	Shadurskij A.D. (Klaver)	1
205	Omelchenko (rocket07)	1
206	Unregistered	19

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