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August 14, 23:54 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	Shibaev (saah)	1	2	62		4
2	Alina (alinakesareva)	3			3	3
3	Lyaschenko S.N. (pimen78)	2	1	105		2
4	Semenov (desymbol_1)	2					13	22
5	Gross V.V. (GLERA)	1					ban	ban
6	Sheklein K.M. (Uull)	2					12	21
7	Borisov D.R. (Dmitry.Bo)	1					12	19
8	Mkts M.M. (Mkts)	1					11	19
9	jadgfldsgf (jadgfldsgf)	2					15	18
10	Litvinovich (lounder)	1					15	18
11	Lcdma (LCDM138)	1					13	18
12	Astrelina D. (smiling_corgi)	5					10	17
13	Komissarov E. (Lalafa1)	2					10	17
14	Arbuzova (dari006)	2					13	16
15	Ivanov (Ginger12)	2					11	14
16	Sheshko V. (Tester_Vlad)	1					6	12
17	Sovetkhan D. (Diyar)	1					9	11
18	Zezina K. (hellteenz)	1					9	11
19	Zhopkin (Vanek_destroyer)	1					7	11
20	Ivanov R.A. (RoGad)	1					7	11
21	Novikov A.N. (Takuan)	3					6	10
22	Wil F.-. (Wilfrech)	3					6	10
23	Deryagina V. (Valeria_deryagina)	1					8	9
24	Schur A. (Asure)	2					6	9
25	cedar (cedar_stone)	1					6	9
26	Platoshin O. (stixhp)	2					5	9
27	JJ (RomanAntropic)	3					7	8
28	Bochkova (AnyaBo)	2					5	8
29	Ne R. (maddena)	2					5	8
30	Pitenko S.A. (Sovvka)	3					6	7
31	Izabakarov G. (Bakha_26)	2					6	7
32	Kishkurno R. (Dyga)	1					6	7
33	lkamdsf (woaifjds)	1					6	7
34	Svintus (SvintusPridet)	1					6	7
35	Polikarpov K. (kir0206)	3					ban	ban
36	Petrov M. (Kozyapkin)	2					4	7
37	Bugdanina A.A. (molitun)	1					5	6
38	Mikaya (Gio9248)	4					4	6
39	Rikardov (Rikardio)	2					4	6
40	Mikhalevskaya E.N. (mikhalevskayaen)	1					4	6
41	Kovalevskij P.V. (soulshon)	1					4	6
42	Ermolaev (Ermak05)	3					5	5
43	Bolkunov L.A. (Cyrasao)	2					5	5
44	Matushkina (AlenaM15)	1					5	5
45	MM E.I. (@calmnessandasmil)	1					5	5
46	Pupkin (ChK2026)	1					5	5
47	Kostina A.A. (kalionea)	1					5	5
48	Ilina N. (lkjahfjkseb)	2					3	5
49	Puchkova A.S. (NesKolins)	1					3	5
50	Suslov (Skyman163)	1					3	5
51	Romanov A.A. (andromus)	1					3	5
52	Vakulko A.V. (VAlexandrV)	2					2	5
53	Shevtsov D. (Shevtsov2711)	1					4	4
54	Nichiporchuk M.I. (Grethem-m)	1					4	4
55	Smirnova (Chuchundra)	1					4	4
56	Goldobin E.G. (prm259)	2					3	4
57	yehor Y. (beginner0)	2					2	4
58	Kazantsev V.D. (kentiko_0)	1					ban	ban
59	Saryglar (Daryma)	1					2	4
60	New R.G. (newLogin)	1					2	4
61	a (mcd0nald)	1					2	4
62	Zyuzyupupuk P.K. (@mutagen00)	1					3	3
63	Polischuk A.V. (GOTMI007)	1					3	3
64	fd F.D. (rei0909)	1					3	3
65	Garist N.K. (Garist86)	2					2	3
66	Skorzhevskaya M.A. (Maylin_03)	1					2	3
67	Ischenko K.Yu. (Kpuh)	1					2	3
68	Krasovitskij S.A. (povelitel' dannykh)	1					2	3
69	Zabelin A. (AZ35)	1					2	3
70	Altashin S.V. (burrito)	1					1	3
71	El'tsova T.E. (elt.tana)	1					2	2
72	Marushevskij M.S. (Selezen.x55)	1					ban	ban
73	Azaza (azaza669)	1					2	2
74	Stepanov D.I. (Chamuske)	2					1	2
75	Mardanov A. (Azhbertovs)	2					1	2
76	Kameneva (kristachak)	2					1	2
77	Kudryavceva (pgadmin)	2					1	2
78	Ibo K. (Kemchik)	2					1	2
79	Bogatyrev N.V. (BNV2873)	2					ban	ban
80	Kurakin (billir)	2					1	2
81	Abramenkova (muroni)	1					1	2
82	Vozdigan A.A. (KumaRYo)	1					1	2
83	Nuradinov U. (urasan)	1					1	2
84	Axel (Axel93)	1					ban	ban
85	Titov (mahaon_1999)	1					1	2
86	Chernoivanov N.Ch. (molniii_01745)	1					ban	ban
87	Ivanova (nahi1)	1					1	2
88	Shapovalova V. (vesha13)	1					1	2
89	Dobrynin (DanilDV)	1					1	2
90	Bocharnikova A.A. (Lliona)	1					1	2
91	Izumovich R. (izuuum)	1					1	2
92	Bogdanovskij I.A. (Ilya122121)	1					1	2
93	Urakina K. (Ksu774)	2					1	1
94	Ivanova S. (sneg*)	2					1	1
95	leila2 (leilaelanouari)	2					1	1
96	Ivanov A. (Aleksius)	1					1	1
97	Guseinov A. (Ali_G)	1					1	1
98	Kim P.V. (Pappa_99)	1					1	1
99	Sadretdinov G.Sh. (GalimS)	1					1	1
100	Evgen'ev (gek_c)	1					1	1
101	vm (AlexanderTGreat)	1					1	1
102	Starkov A.V. (anstarko)	1					1	1
103	Antonova (Elena_No)	1					1	1
104	Krupin M.A. (ma.krupin)	1					1	1
105	Ivanova K. (Kseniyalvzh)	1					1	1
106	Galanov V.Y. (RedRitter)	1					1	1
107	Bekich I.Yu. (Iffff)	1					1	1
108	Muratov D.A. (Enovostuck)	5
109	kharashun (asfdl)	4
110	Kamaeva E.A. (Elina Kamaeva)	3
111	Pavel P.P. (familka)	3
112	Krasovskij E.A. (pegoopik)	2
113	Koptel'tsev V. (selber)	2
114	Surikova V. (vsknox)	2					ban	ban
115	Saidov I. (igor_1993)	2
116	Budanin A.A. (Budanin_A)	2
117	Sarkis'yan G. (gennadi_s)	2
118	Raupova N.B. (Nizukuba)	2
119	Semenov M.M. (mark_CemenoVV)	2
120	Subbotina N. (Nelly_sub)	2					ban	ban
121	Budyukin L.D. (StanceInfaimm)	2
122	Gorijchuk E.A. (EgorQ2ZA)	2					ban	ban
123	Aslan O. (ok74y)	2
124	Vasil'eva S.A. (@SSS)	2
125	Onischenko D.A. (Dmit.on)	2
126	Povol (looki123)	2
127	Varenikov D.M. (Dmitriy Varenikov)	1
128	Petrov D.B. (GiBis)	1
129	mur I.S. (barzel83)	1
130	Martynov A. (Ryncol)	1
131	Kumar M. (waifo)	1
132	Dzhamaldinov M. (Benediktof)	1
133	Hopkins A.A. (baklazantor)	1
134	B M. (djarlaks)	1
135	Talip (Tanzilia)	1
136	Kochnev V.A. (Kodrive)	1
137	Kustov M.A. (Diget)	1
138	Shishkova E. (norta)	1
139	Ulybin (tanderug)	1
140	liebenfels (liebenfels)	1
141	Sattarov (Antoninij)	1
142	selmenskikh E.A. (ekaterina397)	1
143	Andzhukaev E.S. (suzume)	1
144	Yuldashev A.R. (ajur)	1
145	Georgievskij O. (vezdessushiy)	1					ban	ban
146	Zinatullin (DamirZinatullin)	1
147	K S. (skryzh)	1
148	Yakimova A.D. (sandra_yakimova_)	1					ban	ban
149	Bazarov (Bazarov888)	1
150	Irena (Irena555)	1
151	Sadovaya K.A. (k1x07)	1
152	B K. (Error401)	1
153	Kitaev K.I. (Kostas1234)	1
154	Poplavskij (FuZz6JI9I)	1
155	Zaruk (Bulick)	1
156	Vyroubalova (Imhelena)	1
157	Cherdakov Yu. (tasmanian_devil)	1
158	Kondrat'ev M. (Denimax)	1
159	Yolguin A. (qqqq129387)	1
160	Tkachenko D. (_GUERNIKA_)	1
161	Frantsuzova T.Yu. (fff_777)	1
162	Murych (Soff2222)	1
163	Zorina N. (ntshus11)	1
164	Alekperov R.O. (Volk161)	1
165	Tabakov A.A. (ATS_Rakovka)	1
166	Barynin (Yury_931)	1
167	akimat A.Z. (akimatovskiii)	1
168	Skokov B.S. (leks$$)	1
169	Rodin (uoloki)	1
170	Kichenin G. (yetansailor)	1
171	Torakhmet (GT Madi)	1
172	Muthukrishnan A. (Agal13)	1
173	Dolgikh V.D. (fisheryy)	1
174	Novikov S.V. (@Ser589QA)	1					ban	ban
175	Golovkin I.A. (GHOST2508)	1
176	Azat (sal5)	1
177	Odegov A.I. (KovroLitik)	1
178	R. (Wra1th)	1
179	Medvedev D.I. (Danya v tsirk)	1
180	Suvorov (lorpak)	1
181	Danilov D.V. (dandi1337)	1
182	Komov S.M. (Komov S. M.)	1
183	Kentafarik A.S. (daipaigrat)	1
184	Gran D. (Granini)	1
185	Lysykh V.K. (Usilitel')	1
186	A (Red__cat)	1
187	Akameeva S.V. (SVA1)	1
188	Irina (Emberlaki_79)	1
189	meilov C. (chloe123456789)	1
190	Abramov V. (Ichigo Kurosaki)	1
191	Sairanbek D. . (sairanbek_darkhan)	1
192	Morozova P.D. (mat_harp)	1
193	Atambay B. (satoru.gojo)	1					ban	ban
194	Krikunov V.V. (Krikunov_Vitalik)	1
195	Odnokurtsev (AlFochino)	1
196	Abdilmanov A.A. (ayan_abdilmanov)	1
197	Ovchinnikov (Donemon)	1
198	nana N.N. (Nana21)	1
199	Turkova (Mashunya_007)	1
200	Udovichenko R.A. (frien9)	1
201	Kosh (Vlad1098)	1
202	Stytsyuk N. (natalia19930420)	1
203	Uvaev A.A. (Pompilio)	1
204	Tolstykh D.S. (saltykovadara)	1
205	Sharshenbekova N.E. (Snazira245)	1
206	Kireev M.A. (Mukha)	1
207	Lomakina (lomchik)	1					ban	ban
208	Goryaev N.S. (8055)	1
209	Kairatov Y. (yernaty)	1
210	Zakharov (svyyy)	1
211	Deulin N.V. (frapasstar)	1
212	Ponomarev M.P. (MatveyF)	1
213	Zozulya P.A. (Polechkaaa)	1
214	Burtonov A.V. (tak to)	1					ban	ban
215	Shuminov E. (EzraSh)	1
216	Zamaraeva K. (system_rk200)	1
217	K (GK_)	1
218	edmond2 (edmond2)	1
219	Titanova V. (VT&)	1
220	Seferbekov (seferbekov)	1
221	vvvv (vvvvd)	1
222	Chelovek P. (SQLovichock)	1
223	Avdeeva D.A. (daryaayrad)	1
224	P (andreyfromtlt)	1
225	Khvoshchev S. (VIXS1512)	1
226	Khorunzhij E.A. (wuwuqw)	1
227	Sukhanova O. (Laleika)	1
228	a A.A. (rdctfvygbuhjnk)	1
229	Moskovets N. (Nikolay2026)	1
230	Asyl A.A. (Asylbek00)	1
231	Ageeva (Ush1m1ya)	1
232	Krenev M. (Izver)	1
233	Smorkalov N.A. (Mr.proper97)	1
234	Zaprosov I.Z. (SQLchik228)	1
235	Selivanova A. (angel0k)	1
236	Lopatina V. (Nika_99)	1
237	Zharenov (zharenov)	1
238	Lyal'kov E. (SlyManul)	1
239	Alieva (vp228)	1
240	Sazonov S. (Sakato)	1
241	Ermoshkin ((Danila))	1
242	Ignatova A.A. (ali005)	1
243	Zhilkin R.S. (rzilkin1)	1
244	Kabanov G.L. (Krotya)	1
245	Serbul T. (horirisasimi)	1
246	Mendez M.N. (HelloKitty2026)	1
247	Radj M. (Madream626020)	1
248	Mathematicienne (Mathematicien)	1
249	ksdjbkbdjs B. (kbjdabkhad)	1
250	SFAGNYM S.V. (volskzz)	1
251	Elin G.Yu. (GlebElin)	1
252	Unregistered	56

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