django.db.utils.InternalError: (1050, "Table 'tb_content' already exists") 在goods应用里面写了tb_content数据表的模型类(不该写在这里的),进行了数据迁移,还导入了数据。 在contents应用里也写了tb_content数据表的模型类(应该写在这里的), 解决办吧: 代码上,删除goods里面的。 python manage.py migrate...
File"D:\python_learn\meiduo_project\env\lib\site-packages\django\db\utils.py", line 94,in__exit__six.reraise(dj_exc_type, dj_exc_value, traceback) File"D:\python_learn\meiduo_project\env\lib\site-packages\django\utils\six.py", line 685,inreraiseraisevalue.with_traceback(tb) File"...
File"D:\python_learn\meiduo_project\env\lib\site-packages\django\db\utils.py", line 94,in__exit__six.reraise(dj_exc_type, dj_exc_value, traceback) File"D:\python_learn\meiduo_project\env\lib\site-packages\django\utils\six.py", line 685,inreraiseraisevalue.with_traceback(tb) File"...
the specific behavior of students but their attitude remains poor. The student's qualities of personality as true volunteers reflect traits of will: I will be, I will work, I will take part, I will use and character, ethical, and civic qualities of personality, like those given in Table ...
Finally, the table clearly indicates that the provision of educational opportunity, for the increasingly demanding generations of new entrants and the subsequent career development for those working in tourism, is central to enhancing the image of the tourism industry as an employer (Goal 4). ...
Table 3 reports the Markov transition matrix of CIRD. Corresponding to findings in Section 4.1, the transition matrix indicates a low interclass mobility among clubs, since there are high probabilities for the majority to stay in their original states over the 13 years (1998–2010). Even though...
A few associations (future, sustainable development,) are not classified because Sustainabioliftyg2e0n2e0r, a1l2i,ty6.89M2 aybe due to the study group (all are future biology teachers), the ecocentric considerations also have some representation in the analyzed data (Table 1). 7 of 16 Eco...
Table 2. The Shiyang River Basin restoration attributes, their functions, and levels. Attributes Functions Intended Restoration Level Landscape (%) Enjoy the scenery The watershed's natural landscape in the whole basin 10; 15; 20; 25; 30 Tourist amenity (%) Leisure and recreation The wetland ...
distribution law: Normal, lognormal, and exponential, for which our research team proposed equations for calculating the threshold vector [57] (pp. 66–72) (Table 1), where µ is the average value, σ is mean square deviation, and t is taken from the Student's t-distribution tables [...
; 2 = employed; 3 = self-employed; 4 = student and employed; 5 = unemployed; 6 = retired; 7 = housekeeper; 8 = other Type Categorical Continuous Categorical Continuous Continuous Continuous Continuous Continuous Categorical Categorical Categorical Sustainability 2018, 10, 3241 6 of 21 Table 1....