要求用 table_1 的数据,生成 table_2
1条回答
- ~沉O淀~ 2019-02-22 16:46关注
with test_tab(num1,desc1,num2,desc2) as ( select '1','master','111','AAA' from dual union all select '2','slave','222','BBB' from dual union all select '2','slave','333','CCC' from dual union all select '2','slave','444','DDD' from dual ) select num2,desc2,(select num2 from test_tab where num1=2 and rownum <2),(select desc2 from test_tab where num1=2 and rownum<2), (select num2 from (select rownum rum,num2 from test_tab where num1=2 and rownum<3)where rum>1), (select desc2 from (select rownum rum,desc2 from test_tab where num1=2 and rownum<3)where rum>1), (select num2 from (select rownum rum,num2 from test_tab where num1=2 and rownum<4)where rum>2), (select desc2 from (select rownum rum,desc2 from test_tab where num1=2 and rownum<4)where rum>2) from test_tab where num1=1; NUM DES (SE (SE (SE (SE (SE (SE --- --- --- --- --- --- --- --- 111 AAA 222 BBB 333 CCC 444 DDD
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