SELECT FIELDNAME1 FIELDNAME2 …… INTO CORRSPONDING FIELD OF TABLE搭配FOR ALL ENTRIES IN自动去重

如果SELECT FIELD1 FIELD2 …… INTO CORRSPONDING FIELD OF TABLE不带FOR ALL ENTRIES IN

他就不会去重复了

 带上就会去重复

原文地址:https://www.cnblogs.com/jingqing/p/9947259.html