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July 24, 18:09 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	Turuzbekova A.M. (Aylin120699)	2					11	14
11	Khambikov (Aleksandr Gurman)	2					11	14
12	Korotkevich I.A. (somnambula)	1					9	14
13	Luneva D.A. (DLuneva)	3					8	13
14	Govorova V.E. (meowmeow1)	3					9	12
15	Silant'ev N. (Pylone)	2					7	12
16	Cernius A. (a.cer)	1					6	12
17	Chizh G. (major333)	1					8	11
18	Aleksandr (ALEX3411)	2					7	11
19	Ivanov I.I. (kurabeha01)	1					7	11
20	Revin A.A. (AntonRvn)	1					7	10
21	Titov V.A. (va_titov)	3					8	9
22	Shevelev (cyberbulba)	1					8	9
23	Egorova A.O. (Sasha1994)	1					8	9
24	Andreev V. (vaskir_)	1					7	9
25	Greenleaf E. (EstellG)	1					7	9
26	Olamiai (Nikita12367)	1					5	9
27	Kasimova (Anna2022)	3					6	8
28	Savchenko V.P. (Vladislav11111)	2					6	8
29	piopio5 (piopio5)	1					5	8
30	Zaluzhskij V.S. (vszsky)	1					7	7
31	vvvv (vvvvd)	1					6	7
32	Khokhlov (TermiDD81)	2					5	7
33	Chepovskaya Yu.I. (Solllary)	1					5	7
34	Burtonov A.V. (tak to)	2					4	7
35	bobr_kurwa (bobr kurwa)	1					4	7
36	Kodochigov M.S. (KMS70)	2					6	6
37	Efremov D.A. (avaphalne_17)	2					4	6
38	Vor (Daschutka)	2					4	6
39	Go G.G. (greegory)	1					4	6
40	ess (ernyg)	2					ban	ban
41	Sadomtsev A. (Artemucho)	1					3	6
42	Lemana K. (Lemana)	2					5	5
43	riqi (riqqqi)	2					5	5
44	myname (joffner)	1					5	5
45	Trofimova (ntrofy2026)	1					5	5
46	Ivanova E.A. (kater700)	1					5	5
47	Khalkiopov V. (khalkiopov96)	1					5	5
48	Romadin K.S. (Snezhokich)	1					5	5
49	Akulovich E. (Elena Akulovich)	1					5	5
50	G A. (anna_tutta)	1					4	5
51	Liakh (JsBot)	1					4	5
52	Zhelnovach A.V. (Amatiri)	3					3	5
53	Konovalov (Areksei)	2					3	5
54	Vavel' V.A. (VikVav)	1					3	5
55	Koloskov (Art_Dart)	2					ban	ban
56	Semerkina L.M. (Lyubov'67)	2					4	4
57	Shuminov E. (EzraSh)	1					4	4
58	Katkov B. (Bagrad)	1					4	4
59	Komissarov E. (Lalafa1)	2					3	4
60	drobysheva M.A. (MARYYYYYYYYY)	1					3	4
61	Vinter A. (alexwint)	1					3	4
62	Egorova (EAzltoe)	2					2	4
63	Mikaya (Gio9248)	1					2	4
64	Nozdrachev A. (nozddr)	1					2	4
65	Trenyova (Joullius)	1					2	4
66	Romanov A.A. (andromus)	1					3	3
67	Ushakova (truksu)	3					2	3
68	Woland (Wolandd)	1					2	3
69	Buzin V.A. (Skelen__)	1					2	3
70	L A.S. (antonio01110011)	1					2	3
71	Kostrygina (Hiki_Imaru)	1					2	3
72	edmond2 (edmond2)	1					2	3
73	bar B.B. (bal322)	3					2	2
74	Nikolaeva V.V. (@molly)	2					2	2
75	Grudtsyn (CheSeVee)	1					2	2
76	Aleksandrov N.P. (Franklin_Lakosa)	1					2	2
77	Tovmasyan D. (kidivad22)	1					2	2
78	Yashina (T.777)	1					2	2
79	Kelb (dkrg)	1					2	2
80	Altashin S.V. (burrito)	2					1	2
81	Strukov (StrukovSA)	2					1	2
82	Folomeev (Cap1568)	2					1	2
83	Polyakova V.M. (Roni0x)	2					1	2
84	1 (Dimas1p)	2					1	2
85	Kolmogorova (NadK)	1					1	2
86	Evstaf'ev D.A. (Redis22)	1					1	2
87	Adigamova M. (milkazz)	1					1	2
88	Riga V.K. (harleyxrrr)	1					1	2
89	Nata (legenda22222)	1					1	2
90	Iroshnikov (azwsdq)	1					1	2
91	1 (Archontos)	1					1	2
92	Zubkov D. (Dm54)	1					1	2
93	Zhirnova A.A. (Alisik)	1					1	2
94	Ponomarev M.P. (MatveyF)	1					1	2
95	Malikov A.A. (Ara2002)	1					1	2
96	Haciyev I.A. (Ismayil)	1					ban	ban
97	Shishova P.S. (shajealess)	1					1	2
98	Levin Yu.A. (pdestroyer)	1					1	2
99	Islamov (almazSecond2234)	1					1	1
100	Rezvan (SilentLand33)	1					1	1
101	Eliseeva K.V. (Kseniya Eliseeva)	1					1	1
102	Korolev A.A. (Ereticheskij Chajnik)	1					1	1
103	Voronov R. (edemr26)	1					1	1
104	Urakina K. (Ksu774)	1					1	1
105	Sayyan V.R. (Vah_666)	1					1	1
106	Supe B. (kaka_0312)	1					1	1
107	Funtova M.I. (fialka3)	1					1	1
108	trnv D.M. (dmtrnshsss)	1					1	1
109	Kassymbayeva N. (Naz_ka)	1					1	1
110	Krasovskij E.A. (pegoopik)	3
111	Sarkis'yan G. (gennadi_s)	3
112	jopa B.B. (jopabobra)	3
113	Selezneva Ya. (Ena)	2
114	Belova A.A. (wewmy)	2
115	Akimov N.V. (Nikita A)	2					ban	ban
116	Alek (litvin001)	2
117	Frantsuzov R.S. (Francuz94)	2
118	Bakhtov (Bakhtov_1)	2
119	Rusak E.N. (savva03)	2
120	Kozlova M. (Mashkevich)	2
121	Sokolova (Sokol1120)	2
122	Zalupovich E.K. (Zarrock)	2
123	RUBANOV M.N. (maks.ru)	1
124	Filippkin D.V. (_dimon_)	1
125	Pupkin (Kikimora)	1
126	Golubeva (Sutie)	1
127	Sigankov V.I. (vasilyvanc)	1
128	Balashova (albalashova)	1
129	Zhur (Tanets)	1
130	Vodolazova A.V. (Vodolla)	1
131	Maksimov N. (Nik1986)	1
132	Rogov (MChirkov)	1					ban	ban
133	Bas (mashyt1)	1
134	Perevyshko (Sve-Svetlana.gu)	1
135	Jha R. (Sirravi)	1
136	Kolchanov A. (Khadir)	1
137	Bondarenko D.B. (Hecvi)	1
138	Kochkin D.V. (DimsSMC)	1
139	Kibalyuk A.S. (TheNulky)	1
140	Shik I.Sh. (shikino)	1
141	Bklnv (strtXIII)	1
142	Abbasov V. (abbasovv)	1
143	Koro A. (Jondib)	1
144	Avdulova V.A. (vld.avdulova)	1
145	Khleborodov A.L. (Om_NoM)	1
146	Dogadov S.V. (Serzho)	1
147	Ch A.A. (shChsh)	1
148	Denisova (D_Tat'yana)	1					ban	ban
149	Ezhov R.S. (akira_nvm112)	1
150	Dyagileva O.M. (Olya Dyagileva)	1
151	Bykov (sky-shore)	1
152	Kulikov M.O. (maximcka87)	1
153	Litvinenko O. (loksana1)	1					ban	ban
154	Knestyapin R. (Rusekk)	1
155	Malinchik K.D. (Skaipia)	1
156	Kotsuba A. (Kocuba_88)	1
157	Beast M. (mr beast)	1
158	Antonov I. (shkedin)	1
159	Odegov A.I. (KovroLitik)	1
160	R. (Wra1th)	1
161	Samshudinova V.E. (VIKSIEE)	1
162	Ermakov R. (malic)	1					ban	ban
163	Muratov D.A. (Enovostuck)	1
164	Bl A.R. (selivanastas)	1					ban	ban
165	Shaikh (Angy33)	1
166	Kazakova A.P. (melwee)	1
167	Lysykh V.K. (Usilitel')	1
168	Khasanov Kh.Kh. (krrolya123)	1					ban	ban
169	Akameeva S.V. (SVA1)	1
170	K (OlgaEvge)	1
171	Boyarintseva E. (eleonbor)	1
172	Goldobin E.G. (prm259)	1
173	Ye Y.A. (Yertt)	1
174	Chernenko (Schwartz_max)	1
175	Barajschuk (PepegaGo)	1
176	Din D. (DinDjarin)	1
177	Kornienko (Ivan Kornienko)	1
178	Bogatyrev N.V. (BNV2873)	1					ban	ban
179	Evgen'ev (gek_c)	1
180	Kondrat'ev A.F. (Alekss361)	1
181	dufivara (d.ufivara)	1					ban	ban
182	Dyachenko M.P. (AllMutes)	1
183	Stasenko S.E. (Stavislav)	1
184	Kovaleva Yu.K. (Kov@l')	1
185	Slaunikau (r3liston)	1
186	Nos Ya. (yana_nos)	1
187	Dem'yanenko P.V. (Drugan174)	1
188	Ryzhikova P.S. (polinapir03)	1
189	K. A.V. (AlexanderK84)	1
190	Kresov A.D. (crouton)	1
191	Saperov S.V. (s4per)	1
192	Sergazy A. (sergazy11)	1
193	Yur (Stipashka06)	1
194	Gadkari P.P. (Purva G)	1
195	Pischina D.A. (TheDpA)	1
196	Matyugin E. (lordpr)	1
197	Kim D. (DkimsonSQL)	1
198	23 (ll23lll)	1
199	Lebedintsev V.D. (PSpecer)	1
200	Ahunova (Lita8)	1
201	Bakaeva Yu.A. (ulabakaeva)	1
202	Raemgulova (gtguhyhyiroo)	1
203	Mandzheev V.N. (vehhh)	1
204	Eskyuelov (Zaproz)	1
205	Kurskaya V.M. (VMika_)	1
206	Shomuradov A. (chessmaestro)	1
207	Kashapov T. (yabureru)	1
208	Proskurina N. (an.rhaingolt)	1
209	. (Hymera)	1
210	Rodriguez G.A. (GustavoAlfredo)	1
211	Zajtsev A.A. (MrTrafi)	1
212	Ryabikina (Allusikk)	1
213	Kondrya K. (ak444asek)	1
214	Radzhabov N.M. (Nariman1980)	1
215	Gojdov (n1kt0)	1
216	Kuyanov M. (MIRok73)	1
217	zal (hedinort)	1
218	Gavrichenko M. (remw8l)	1
219	Min'kov G. (gggggggZ)	1
220	Opasniy B. (ibrahim_@2005@@)	1
221	Bo O. (Ollpsevdonim)	1
222	Kryzhanovskaya M. (miilverr)	1
223	Unregistered	34

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