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July 24, 17:17 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	Ivoyzha V.S. (Scripter009)	2	27	29	5	48
2	Savinova (Alenari66)	1	1	-2		2
3	Fom (Kamchatka)	1	1	-12		1
4	Kirpankar K. (Kunal_Kirpankar)	1					15	26
5	Borisyuk M. (Maria845)	1					13	22
6	Abbasov I. (ibrahim_@2005@)	3					15	18
7	Lomakina (lomchik)	1					10	18
8	Sorokin D. (sorokind)	1					11	15
9	Git'ko M. (sleep_deprived)	1					12	14
10	Khambikov (Aleksandr Gurman)	2					11	14
11	Turuzbekova A.M. (Aylin120699)	1					11	14
12	Korotkevich I.A. (somnambula)	1					9	14
13	Luneva D.A. (DLuneva)	3					8	13
14	Chizh G. (major333)	1					8	11
15	Aleksandr (ALEX3411)	2					7	11
16	Ivanov I.I. (kurabeha01)	1					7	11
17	Revin A.A. (AntonRvn)	1					7	10
18	Cernius A. (a.cer)	1					5	10
19	Egorova A.O. (Sasha1994)	1					8	9
20	Andreev V. (vaskir_)	1					7	9
21	Greenleaf E. (EstellG)	1					7	9
22	Olamiai (Nikita12367)	1					5	9
23	Titov V.A. (va_titov)	2					7	8
24	Silant'ev N. (Pylone)	2					5	8
25	piopio5 (piopio5)	1					5	8
26	Zaluzhskij V.S. (vszsky)	1					7	7
27	Govorova V.E. (meowmeow1)	3					6	7
28	vvvv (vvvvd)	1					6	7
29	Khokhlov (TermiDD81)	2					5	7
30	Chepovskaya Yu.I. (Solllary)	1					5	7
31	Burtonov A.V. (tak to)	2					4	7
32	Kodochigov M.S. (KMS70)	2					6	6
33	Savchenko V.P. (Vladislav11111)	2					5	6
34	Vor (Daschutka)	2					4	6
35	Efremov D.A. (avaphalne_17)	1					4	6
36	Go G.G. (greegory)	1					4	6
37	Sadomtsev A. (Artemucho)	1					3	6
38	Lemana K. (Lemana)	2					5	5
39	riqi (riqqqi)	2					5	5
40	myname (joffner)	1					5	5
41	Trofimova (ntrofy2026)	1					5	5
42	Khalkiopov V. (khalkiopov96)	1					5	5
43	Romadin K.S. (Snezhokich)	1					5	5
44	Akulovich E. (Elena Akulovich)	1					5	5
45	Liakh (JsBot)	1					4	5
46	Konovalov (Areksei)	2					3	5
47	Vavel' V.A. (VikVav)	1					3	5
48	Koloskov (Art_Dart)	2					ban	ban
49	Semerkina L.M. (Lyubov'67)	2					4	4
50	Shuminov E. (EzraSh)	1					4	4
51	Ivanova E.A. (kater700)	1					4	4
52	Katkov B. (Bagrad)	1					4	4
53	Komissarov E. (Lalafa1)	2					3	4
54	Vinter A. (alexwint)	1					3	4
55	Egorova (EAzltoe)	2					2	4
56	Mikaya (Gio9248)	1					2	4
57	ess (ernyg)	1					ban	ban
58	Nozdrachev A. (nozddr)	1					2	4
59	Trenyova (Joullius)	1					2	4
60	Romanov A.A. (andromus)	1					3	3
61	Ushakova (truksu)	3					2	3
62	Woland (Wolandd)	1					2	3
63	Buzin V.A. (Skelen__)	1					2	3
64	L A.S. (antonio01110011)	1					2	3
65	Kostrygina (Hiki_Imaru)	1					2	3
66	bobr_kurwa (bobr kurwa)	1					2	3
67	edmond2 (edmond2)	1					2	3
68	bar B.B. (bal322)	3					2	2
69	Grudtsyn (CheSeVee)	1					2	2
70	Aleksandrov N.P. (Franklin_Lakosa)	1					2	2
71	Tovmasyan D. (kidivad22)	1					2	2
72	Yashina (T.777)	1					2	2
73	Nikolaeva V.V. (@molly)	1					2	2
74	Kelb (dkrg)	1					2	2
75	Folomeev (Cap1568)	2					1	2
76	Polyakova V.M. (Roni0x)	2					1	2
77	Zhelnovach A.V. (Amatiri)	2					1	2
78	1 (Dimas1p)	2					1	2
79	Kolmogorova (NadK)	1					1	2
80	Evstaf'ev D.A. (Redis22)	1					1	2
81	Adigamova M. (milkazz)	1					1	2
82	Riga V.K. (harleyxrrr)	1					1	2
83	Nata (legenda22222)	1					1	2
84	Iroshnikov (azwsdq)	1					1	2
85	Zubkov D. (Dm54)	1					1	2
86	Zhirnova A.A. (Alisik)	1					1	2
87	Ponomarev M.P. (MatveyF)	1					1	2
88	Malikov A.A. (Ara2002)	1					1	2
89	Haciyev I.A. (Ismayil)	1					ban	ban
90	Levin Yu.A. (pdestroyer)	1					1	2
91	G A. (anna_tutta)	1					1	1
92	Islamov (almazSecond2234)	1					1	1
93	Rezvan (SilentLand33)	1					1	1
94	Eliseeva K.V. (Kseniya Eliseeva)	1					1	1
95	Korolev A.A. (Ereticheskij Chajnik)	1					1	1
96	Voronov R. (edemr26)	1					1	1
97	Urakina K. (Ksu774)	1					1	1
98	Sayyan V.R. (Vah_666)	1					1	1
99	trnv D.M. (dmtrnshsss)	1					1	1
100	Kassymbayeva N. (Naz_ka)	1					1	1
101	Krasovskij E.A. (pegoopik)	3
102	Sarkis'yan G. (gennadi_s)	3
103	jopa B.B. (jopabobra)	3
104	Altashin S.V. (burrito)	2
105	Selezneva Ya. (Ena)	2
106	Kasimova (Anna2022)	2
107	Strukov (StrukovSA)	2
108	Belova A.A. (wewmy)	2
109	Akimov N.V. (Nikita A)	2					ban	ban
110	Alek (litvin001)	2
111	Frantsuzov R.S. (Francuz94)	2
112	Bakhtov (Bakhtov_1)	2
113	Rusak E.N. (savva03)	2
114	Kozlova M. (Mashkevich)	2
115	Sokolova (Sokol1120)	2
116	RUBANOV M.N. (maks.ru)	1
117	Pupkin (Kikimora)	1
118	Golubeva (Sutie)	1
119	Sigankov V.I. (vasilyvanc)	1
120	Balashova (albalashova)	1
121	Zhur (Tanets)	1
122	Vodolazova A.V. (Vodolla)	1
123	Maksimov N. (Nik1986)	1
124	Rogov (MChirkov)	1					ban	ban
125	Bas (mashyt1)	1
126	Perevyshko (Sve-Svetlana.gu)	1
127	Jha R. (Sirravi)	1
128	Kolchanov A. (Khadir)	1
129	Bondarenko D.B. (Hecvi)	1
130	Kochkin D.V. (DimsSMC)	1
131	Kibalyuk A.S. (TheNulky)	1
132	Shik I.Sh. (shikino)	1
133	Bklnv (strtXIII)	1
134	Abbasov V. (abbasovv)	1
135	Koro A. (Jondib)	1
136	Avdulova V.A. (vld.avdulova)	1
137	Khleborodov A.L. (Om_NoM)	1
138	Dogadov S.V. (Serzho)	1
139	Ch A.A. (shChsh)	1
140	Denisova (D_Tat'yana)	1					ban	ban
141	Ezhov R.S. (akira_nvm112)	1
142	Dyagileva O.M. (Olya Dyagileva)	1
143	Kulikov M.O. (maximcka87)	1
144	Knestyapin R. (Rusekk)	1
145	Malinchik K.D. (Skaipia)	1
146	Kotsuba A. (Kocuba_88)	1
147	Beast M. (mr beast)	1
148	Antonov I. (shkedin)	1
149	Odegov A.I. (KovroLitik)	1
150	R. (Wra1th)	1
151	Samshudinova V.E. (VIKSIEE)	1
152	Ermakov R. (malic)	1					ban	ban
153	Muratov D.A. (Enovostuck)	1
154	Bl A.R. (selivanastas)	1					ban	ban
155	Shaikh (Angy33)	1
156	Kazakova A.P. (melwee)	1
157	Lysykh V.K. (Usilitel')	1
158	Akameeva S.V. (SVA1)	1
159	Goldobin E.G. (prm259)	1
160	Ye Y.A. (Yertt)	1
161	Chernenko (Schwartz_max)	1
162	Barajschuk (PepegaGo)	1
163	Bogatyrev N.V. (BNV2873)	1					ban	ban
164	Evgen'ev (gek_c)	1
165	Kondrat'ev A.F. (Alekss361)	1
166	dufivara (d.ufivara)	1					ban	ban
167	Dyachenko M.P. (AllMutes)	1
168	Stasenko S.E. (Stavislav)	1
169	Kovaleva Yu.K. (Kov@l')	1
170	Slaunikau (r3liston)	1
171	Nos Ya. (yana_nos)	1
172	Dem'yanenko P.V. (Drugan174)	1
173	Ryzhikova P.S. (polinapir03)	1
174	K. A.V. (AlexanderK84)	1
175	Kresov A.D. (crouton)	1
176	Saperov S.V. (s4per)	1
177	Sergazy A. (sergazy11)	1
178	Yur (Stipashka06)	1
179	Pischina D.A. (TheDpA)	1
180	Matyugin E. (lordpr)	1
181	Kim D. (DkimsonSQL)	1
182	Lebedintsev V.D. (PSpecer)	1
183	Ahunova (Lita8)	1
184	Bakaeva Yu.A. (ulabakaeva)	1
185	Raemgulova (gtguhyhyiroo)	1
186	Mandzheev V.N. (vehhh)	1
187	Eskyuelov (Zaproz)	1
188	Kurskaya V.M. (VMika_)	1
189	Shomuradov A. (chessmaestro)	1
190	Kashapov T. (yabureru)	1
191	Proskurina N. (an.rhaingolt)	1
192	. (Hymera)	1
193	Rodriguez G.A. (GustavoAlfredo)	1
194	Zajtsev A.A. (MrTrafi)	1
195	Ryabikina (Allusikk)	1
196	Kondrya K. (ak444asek)	1
197	Radzhabov N.M. (Nariman1980)	1
198	Gojdov (n1kt0)	1
199	Kuyanov M. (MIRok73)	1
200	zal (hedinort)	1
201	Gavrichenko M. (remw8l)	1
202	Min'kov G. (gggggggZ)	1
203	Opasniy B. (ibrahim_@2005@@)	1
204	Bo O. (Ollpsevdonim)	1
205	Kryzhanovskaya M. (miilverr)	1
206	Unregistered	33

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