Error unresolved external
![Error unresolved external. Ссылка на неразрешенный внешний символ c++ lnk2019. reference attribute математике. unresolved attribute reference 'circle' for class 'int'. vs unresolved external symbol main refernced in function "int_cdecl.](https://user-images.githubusercontent.com/25702715/39400255-5e541b7a-4b46-11e8-8495-bfc6c25ff4ce.PNG "Ссылка на неразрешенный внешний символ c++ lnk2019. reference attribute математике. unresolved attribute reference 'circle' for class 'int'. vs unresolved external symbol main refernced in function "int_cdecl.")
![Error unresolved external. Vs unresolved external symbol main refernced in function "int_cdecl.](https://i.stack.imgur.com/rtoWh.png "Vs unresolved external symbol main refernced in function "int_cdecl.")
![Error unresolved external. Error: ora-01031: insufficient privileges. host name unresolved. ошибка ora-03111. error: syntax error at or near "set" sql.](https://4.bp.blogspot.com/-ZAZRkYZvf-E/W8RSSWUVLpI/AAAAAAAABaw/feqrQONCT0wcvJTuOVkIpAxFnJtT0pxfQCLcBGAs/w1200-h630-p-k-no-nu/ORA132.JPG "Error: ora-01031: insufficient privileges. host name unresolved. ошибка ora-03111. error: syntax error at or near "set" sql.")