Poll
For what DBMS, besides SQL Server, you would like to have exercises on the site?
Rating of second-stage exercises 
No - exercise number; Bonus - level of difficulty; Solved - number of visitors, who have solved this exercise; Time(min) - the average time that has been spent for solution in minutes; noOK - number of visitors, who have not solved this exercise yet. (Click on a cell to see list of these); Rank - average score on a result of voting.
No Bonus Solved Time(min) noOK Author Date Rank
251 4 46 57474 3 paparome 2006-10-01 6.6
149 3 15 49177 2 $erges 2008-09-08 9.9
138 4 87 32766 27 Cyrilus 2005-12-09 9.4
121 3 268 18256 4 ZrenBy 2004-02-26 7.5
161 3 6 17532 2 Ozzy 2009-11-06 9.3
143 5 20 17328 11 inkerman 2007-10-07 8.6
163 3 6 14475 0 Ozzy 2010-01-08 9.2
62 1 865 13489 15 Serge I 2004-06-23 7.3
157 3 7 12250 3 anddros 2009-06-05 10.0
155 3 9 10681 3 vlksm 2009-04-17 10.0
106 3 113 9523 5 vlksm 2008-11-27 8.9
147 3 17 8497 5 $erges 2008-05-17 10.0
152 3 21 6346 2 vlksm 2009-01-05 9.8
160 3 9 5684 0 Ozzy 2009-08-07 9.3
154 4 9 5567 3 anddros 2009-03-18 10.0
144 4 22 5347 2 pvv 2008-01-01 8.0
165 2 4 5191 2 vlksm 2010-03-18 10.0
137 4 126 5061 22 Cyrilus 2005-03-06 9.3
132 3 24 4999 1 risp 2010-01-25 8.3
252 2 17 4970 3 Ozzy 2009-06-14 5.8
123 3 101 4332 44 Ozzy 2009-08-22 8.9
146 3 28 4168 2 paparome 2008-01-22 9.9
150 4 18 4062 2 @Nikotin 2008-11-09 9.3
159 3 6 3925 0 anddros 2009-08-24 10.0
126 3 81 3728 5 $erges 2008-09-07 8.6
153 3 13 3513 3 Ozzy 2009-02-14 9.6
65 2 138 3443 17 Ozzy 2010-01-29 7.9
116 4 89 3157 15 $erges 2008-12-13 9.5
151 3 16 3113 3 anddros 2008-12-30 9.6
158 3 4 2900 0 Ozzy 2010-04-09 9.3
164 2 9 2890 0 anddros 2010-04-26 9.6
141 4 43 2634 5 vlksm 2006-10-29 9.1
96 3 186 2562 88 anddros 2008-11-22 8.3
148 2 24 2551 7 vlksm 2008-09-06 9.1
98 3 376 2147 37 ZrenBy 2003-09-01 8.2
156 2 19 1908 1 anddros 2009-04-17 9.9
145 3 37 1862 1 pvv 2008-01-07 8.9
100 3 26 1691 2 qwrqwr 2010-04-27 9.6
87 3 390 1589 76 Roman Golubin 2006-07-14 9.3
72 3 657 1509 140 paparome 2005-12-03 9.2
139 2 69 1236 2 Snowbear 2006-09-09 8.2
110 3 273 1064 9 Snowbear 2006-03-14 8.8
69 2 461 1015 8 Roman Golubin 2005-12-13 7.6
140 2 20 1000 0 _Bkmz_ 2010-01-30 8.8
142 2 61 908 0 paparome 2007-03-24 8.7
85 3 69 887 5 Ozzy 2009-10-10 8.0
125 3 232 869 5 dimzv 2004-02-29 8.5
68 2 695 807 97 Palkin 2007-03-29 8.2
162 2 12 768 1 Ozzy 2009-12-26 9.7
134 3 100 686 3 pvv 2008-01-22 8.5
88 1 183 686 1 $erges 2008-09-06 6.2
89 3 179 685 25 _Bkmz_ 2008-06-21 8.3
118 2 281 627 2 Fiolent 2004-01-05 8.3
114 3 296 588 4 Serge I 2003-12-24 8.3
122 3 247 578 11 Fiolent 2004-02-26 7.5
109 3 331 566 1 VIG 2003-12-23 7.7
76 2 82 523 4 silver 2010-01-23 8.4
129 3 184 488 7 DimaN 2004-03-01 7.7
84 2 103 463 12 Ozzy 2009-12-26 7.9
166 1 9 452 1 anddros 2010-07-26 10.0
74 2 300 444 10 vlksm 2008-06-21 8.0
66 2 158 413 33 anddros 2009-12-26 7.8
67 3 69 404 7 Ozzy 2010-04-27 7.8
60 1 1329 393 121 Serge I 2005-03-05 7.0
136 3 161 386 0 Fiolent 2004-06-23 7.7
130 2 16 346 1 anddros 2010-05-22 10.0
111 3 296 325 3 Fiolent 2005-01-19 8.4
124 3 239 303 2 DimaN 2004-02-26 8.1
54 1 550 301 47 Ozzy 2008-09-06 7.9
63 3 1300 282 74 Serge I 2003-04-08 8.0
92 2 335 278 9 paparome 2006-07-26 8.4
97 2 424 265 1 ZrenBy 2003-09-01 7.4
112 2 277 252 4 VIG 2005-06-26 7.3
75 3 722 251 11 VIG 2003-04-29 7.6
82 2 47 249 1 _Virt_ 2010-04-27 7.3
71 2 113 225 3 anddros 2009-12-26 8.8
86 1 41 215 0 Ozzy 2010-03-05 9.2
128 2 132 214 5 inkerman 2007-09-14 8.4
79 2 652 203 14 Serge I 2003-06-05 7.0
103 3 350 202 1 VIG 2003-12-22 8.1
107 2 260 194 3 lepton 2006-09-29 8.3
52 1 896 191 27 mslava 2003-09-01 6.5
50 1 1067 182 35 Serge I 2003-04-09 6.5
115 3 294 181 1 Serge I 2003-12-26 7.8
64 2 1099 174 16 Serge I 2005-05-07 7.1
42 2 727 170 8 Serge I 2003-06-05 6.7
77 2 444 170 11 yuriy.rozhok 2007-03-24 7.7
133 1 170 133 0 DimaN 2004-06-22 6.4
45 2 128 129 3 vasia armor 2010-05-21 6.7
81 2 274 127 12 $erges 2008-05-10 7.7
90 3 483 121 3 VIG 2003-09-01 7.3
40 2 694 116 2 Serge I 2003-08-28 7.0
83 2 600 114 2 Serge I 2003-08-28 6.5
113 2 254 105 0 paparome 2006-03-14 7.4
95 2 289 99 1 Fiolent 2004-06-22 7.2
117 2 284 96 0 Fiolent 2003-12-26 6.8
119 2 278 96 0 mslava 2004-01-05 7.1
57 3 1233 92 26 Serge I 2003-04-08 7.1
99 2 29 91 1 qwrqwr 2010-05-13 7.8
78 2 53 85 0 _ORA_ 2010-04-27 7.0
70 1 240 83 3 Serge I 2009-04-17 7.7
108 3 334 82 0 mslava 2003-12-23 7.0
93 2 461 81 1 ZrenBy 2003-09-01 7.0
61 2 165 80 4 risp 2009-12-26 8.0
105 3 345 73 0 mslava 2003-12-22 8.1
49 1 347 61 23 anddros 2009-06-05 7.3
102 2 357 60 1 ZrenBy 2003-09-01 6.3
127 2 206 59 2 dimzv 2004-03-01 7.0
131 1 175 58 1 Serge I 2004-06-22 6.3
135 1 117 51 0 Serge I 2007-09-07 7.4
43 1 413 50 1 Aaz 2004-02-26 6.2
39 1 569 47 1 ZrenBy 2003-09-01 6.5
101 2 358 47 0 ZrenBy 2003-09-01 7.0
37 1 1370 46 55 paparome 2005-12-02 7.2
41 1 147 45 25 qwrqwr 2010-04-26 7.7
58 1 1186 45 54 Serge I 2006-11-17 7.6
120 3 276 45 0 Fiolent 2004-02-26 5.8
53 1 682 43 27 DimaN 2004-03-01 7.3
94 2 452 43 1 ZrenBy 2003-09-01 6.4
104 3 347 41 1 VIG 2003-12-22 7.1
55 1 610 40 71 Serge I 2008-06-21 6.8
35 1 1430 38 17 Serge I 2003-04-08 6.4
73 2 217 35 0 Fiolent 2004-06-22 6.9
56 1 853 33 43 VIG 2003-09-01 6.0
51 1 123 32 3 qwrqwr 2010-05-01 6.7
44 1 444 31 0 ZrenBy 2003-09-01 6.1
38 2 474 29 3 ZrenBy 2003-09-01 6.9
36 2 686 28 4 Serge I 2003-08-28 7.2
80 3 634 28 4 VIG 2003-06-05 6.5
47 1 1354 27 18 Serge I 2005-01-19 6.1
91 2 196 25 1 DimaN 2004-03-01 7.0
48 1 319 24 6 Serge I 2009-06-22 6.8
46 1 335 23 125 Serge I 2009-08-12 6.0
59 1 116 20 0 qwrqwr 2010-04-26 7.3
33 1 1031 17 6 Serge I 2003-04-29 6.8
32 1 698 15 4 Serge I 2003-08-28 6.4
34 1 732 14 4 Serge I 2003-08-28 6.3
167 2 1 3 qwrqwr 2010-07-28