Переменные таблицы MySQL
CREATE PROCEDURE my_proc ()
BEGIN
CREATE TEMPORARY TABLE TempTable (myid int, myfield varchar(100));
INSERT INTO TempTable SELECT tblid, tblfield FROM Table1;
...
-- Temporary tables in MySQL only exist for the duration of the connection
-- and only for the connected user, unlike MSSQL where they persist across
-- sessions and connections.
nic0x801