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This object is configured with the connection information, including database location, user ID, and password, before opening the connection.
This data access technology was intended to be much more than simply a way of getting data into and out of databases.A Recordset object consist of records and columns (fields).In ADO, this object is the most important and the one used most often to manipulate data from a database.If the primary key can't be modified once added, the updated and inserted rows can be processed in the same statement.
If, on the other hand, the primary key can be modified, the database must cascade the updated primary key values to the child records; otherwise a referential integrity violation will occur. When you first open a Recordset, the current record pointer will point to the first record and the BOF and EOF properties are False.