Hi again guys :) i'm with a new problem
i have MANY (10000+) tables with same struct, and i want to execute a select from "some" (100+) tables i was thinking about creating a view with all tables, something like: CREATE VIEW view_name AS SELECT * FROM table1 WHERE primary_key=<a value only at table1> UNION ALL SELECT * FROM table2 WHERE primary_key=<a value only at table2> UNION ALL SELECT * FROM table3 WHERE primary_key=<a value only at table3> UNION ALL SELECT * FROM table4 WHERE primary_key=<a value only at table4> UNION ALL ... SELECT * FROM tablen WHERE primary_key=<a value only at tablen> but i don't know if mysql optimizer will do a good job when i execute something like: SELECT * FROM view_name WHERE primary_key=<a value only located at table1> and just execute the query at table1 instead of alllllllll 10000+ tables i'm considering restruture database to a spider engine or any other method if i don't have other option any idea is well come -- Roberto Spadim
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