日期:2014-05-17 浏览次数:20740 次
create table tt(a int,b varchar2(10)); insert into tt values(1,'111'); create index idx_tt on tt(upper(b));
select * from all_ind_columns where table_name='TT';
select * from all_tab_cols where table_name = 'TT' ;
select data_default from all_tab_cols where table_name = 'TT' and column_name='SYS_NC00003$' ; select column_expression from all_ind_expressions where table_name='TT';