INSERT INTO, SELECT, UNION ALL |
SELECT * FROM (SELECT TOP 5 * FROM Base1 ORDER BY RND (ID)) UNION ALL SELECT * FROM (SELECT TOP 5 * FROM Base2 ORDER BY RND(ID)) UNION ALL SELECT * FROM (SELECT TOP 5 * FROM Base3 ORDER BY RND(ID))
INSERT INTO MainBase SELECT * FROM (SELECT TOP 5 * FROM Base1 ORDER BY RND (ID)) UNION ALL SELECT * FROM (SELECT TOP 5 * FROM Base2 ORDER BY RND(ID)) UNION ALL SELECT * FROM (SELECT TOP 5 * FROM Base3 ORDER BY RND(ID))
http://www.sql.ru/forum/1170928/insert-into-select-union-all
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