mysql批量插入与更新

批量插入数据 insert into t1 values(a,b),(a,b).....; insert into select INSERT INTO t VALUES (1, 20, 'a'), (2, 26, 'b'), (3, 30, 'c'); – 两张表的字段要一一对应web INSERT INTO t SELECT id,age,name from t_copy

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