执行如下sql：
select * from user_sequences;
如果需要查看某个特定的序列，如下：
select * from user_sequences where sequence_name like '%T_SELL_BRAND%';
select * from user_sequences where sequence_name='SEQ_T_SELL_BRAND';
注意：序列名区分大小写。
执行如下sql：
select * from user_sequences;
如果需要查看某个特定的序列，如下：
select * from user_sequences where sequence_name like '%T_SELL_BRAND%';
select * from user_sequences where sequence_name='SEQ_T_SELL_BRAND';
注意：序列名区分大小写。
