create table test(a varchar2(10), b nested_tab_test) nested table b store as test1;
首先要插入一个空的嵌套表类型值。
insert into test(a,b) values(''aaa'',nested_tab_test());
插入具体值
insert into table (select b from test where a=''aaa'') values(''a01'');
如果是从别的表插入数据可以这么操作。
insert into test select ''aaa'',cast(multiset(select a from test2 ) as nested_tab_test) from dual;
重点是把握插入一个嵌套表对应的类型对象。