从php脚本访问在Oracle数据库中创建的序列

Question

I have created sequence in database like,

CREATE SEQUENCE seq INCREMENT BY 1;

How can i assign the current value of seq in $t;

<?php

$t=?;

?>

Answer 1

If you want the next value from the sequence you would run the sql statement below and fetch back the results of the myseq column.

select seq.nextval myseq
  from dual;

Answer 2

运行此查询并获取其结果：

SELECT seq.CURRVAL FROM dual