VB2013이랑 mysql연동http://passmeby30.tistory.com/66이 곳보고 따라함. 1>------ Build started: Project: mysqlconnection, Configuration: Debug x64 ------1> DBconnTEST.c1>C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\include\math.h(289): warning C4005: 'isnan' : macro redefinition1> C:\Program Files\MySQL\MySQL Server 5.5\include\my_config.h(489) : see previous definition of 'isnan'========== Build: ..