摘要： typedef unsigned char SQLCHAR; /* 8-bit-octet strings */typedef long int SQLINTEGER; /* 32-bit, signed */typedef short int SQLSMALLINT; /* 16-bit, signed */typedef float SQLREAL; /* see heading: IEEE */typedef double SQLDOUBLE; /* see heading: IEEE */typedef void* SQLPOINTER; /* pointer, untyped */t 阅读全文