After a few hours of practice, it has finally concluded research on the OpenSchema method for AdoDb.Connection. Summary now:
1, set recordset = connection.openschema (querytype, criteria, schemaid) has three parameters, but usually use the first, after two, I have not understood, I don't know it, there is Interests to check the information.
2, this implementation is to return a recordset by the OpenSchema method of the connection object. This can spread the record set to display or collect sympathy information.
3, use it you can also get information about the table, view, column, index, foreign key and other information.
4. It is not certain that it is somewhat inquiring a mode in which a mode is queried by user privileges. That is, if there is not enough permissions, you can't do some categories of pattern queries (to be verified)
5, here there are some information about OpenSchema, for review: ?????
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? Information
