Jet Engine's query-optimization is based on statistics, but how are they refreshed with linked tables?
问题 i am dealing with some legacy access < 2007 "databases". All the tables are linked tables to a SQL Server 2008. While the odbc-links are established the table structure is copied into the mdb-file together with the DSN-string. Thats what one can see in Msysobjects. A query forces the jet-engine to retrieve the data from SQL Server under respect of the jet-engines optimization. Therefore it is essential to refresh the odbc-links whenever a change in sql server is made, like adding a new index