sql~的字段类型

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 */

typedef long int       SQLHENV;      /* 32-bit env handle */

typedef long int       SQLHDBC;      /* 32-bit dbc handle */

typedef long int       SQLHSTMT;     /* 32-bit hstmt handle */

typedef long int       SQLHDESC;     /* 32-bit desc handle */