ODBC API常用函数诠释

核心提示：以下为ODBC API的常用十四个函数，先列出在PowerBuilder中外部函数引用声明： functionintegerSQLAllocEnv(reflongphenv)library"odbc32.dll"functionintegerSQLFreeEnv(longhenv)library&q

以下为ODBC API的常用十四个函数，先列出在PowerBuilder中外部函数引用声明：

　　　functionintegerSQLAllocEnv(reflongphenv)library"odbc32.dll"
　　functionintegerSQLFreeEnv(longhenv)library"odbc32.dll"
　　functionintegerSQLDataSources(longhenv,intfdirection,refstringszdsn,&
　　integercbdsnmax,refintegerpcbdsn,refstringszdescription,integercbdescriptionmax,refintegerpcbdescription)library"odbc32.dll"
　　functionintegerSQLAllocConnect(longhenv,reflonghdbc)library"odbc32.dll"
　　functionintegerSQLConnect(longhstmt,refstringszdsn,integerdsnlen,refstring
　　szuid,integeruidlen,refstringszpwd,integerpwdlen)library"odbc32.dll"
　　functionintegerSQLDisconnect(longhdbc)library"odbc32.dll"
　　functionintegerSQLAllocStmt(longhdbc,reflonghstmt)library"odbc32.dll"
　　functionintegerSQLTables(longhstmt,refstringsztablequalifier,integertablequalifierlen,refstringszowner,integerowerlen,refstringszname,integernamelen,
　　refstringsztype,integertypelen)library"odbc32.dll"
　　functionintegerSQLColumns(longhstmt,refstringsztablequalifier,integertablequalifierlen,refstringszowner,integerowerlen,refstringszname,integernamelen,
　　refstringsztype,integertypelen)library"odbc32.dll"
　　functionintegerSQLBindCol(longhstmt,integercolnum,integerdatatype,refstringname,longmaxlen,reflongactlen)library"odbc32.dll"
　　functionintegerSQLFetch(longhstmt)library"odbc32.dll"
　　functionintegerSQLError(longlenv,longhdbc,longhstmt,refstringsqlstate,reflongnativeerror,refstringerrormsg,integererrormsgmax,refintegererrormsglen)library"odbc32.dll"
　　functionintegerSQLFreeStmt(longhstmt,integerOptions)library"odbc32.dll"