OLEDB is much faster than ODBC, In PowerBuilder, we can connect batabase through OLEDB, for example, to connect MS Access Database(.mdb):
string ls_dbname
ls_dbname = "c:/database.mdb"
SQLCA.DBMS = "OLE DB"
SQLCA.AutoCommit = False
SQLCA.DBParm = "PROVIDER='Microsoft.Jet.OLEDB.4.0',DATASOURCE='"+ls_dbname +"'"
connect using sqlca;
博客指出OLEDB比ODBC速度快,介绍了在PowerBuilder中通过OLEDB连接MS Access数据库的方法,给出了连接数据库的代码示例,包括定义数据库名称、设置连接参数等。
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