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取出符合条件的行的上下2行

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例子如下: CREATE TABLE TEST(ID1 DATE,ID2 CHAR(1),ID3 NUMBER, ID4 NUMBER, ID5 TIMESTAMP); INSERT INTO TEST VALUES(TO_DATE('20160101','YYYY-MM-DD'),'A',100,1,TO_TIMESTAMP('20160101','YYYY-MM-DD HH24:MI:SS')); INSERT INTO TEST VALUES(TO_DATE('201601 ...

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