db2數據庫，表相乘，直接擴大表數據

T1 表 SEQ表 想得到結果集爲： 語句： SELECT * FROM (SELECT * FROM seq,t1) u LEFT JOIN t1 ON u.id=t1.id AND u.jjh=t1.jjh AND u.num >= t1.begin_num AND u.num <= t1.end_num WHERE t1.id IS NOT NULL 說明： seq,t1爲表集相乘，行列相乘

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