select sysdate from dual;
select systimestamp from dual;
select localtimestamp from dual;
select current_timestamp from dual;
select dbtimezone from dual;
select sessiontimezone from dual;
select to_timestamp(‘2015-11-06 10:35:00‘,‘yyyy.mm.dd hh24:mi:ss‘) from dual;
select to_char(sysdate,‘yyyy.mm.dd hh24:mi:ss‘) from dual;
systimestamp 数据库服务器当前的时间以及时区;
localtimestamp 客户端当前时间,不包含时区;
current_timestamp 客户端当前时区,包含客户端的时区。
时间: 2024-10-05 04:19:30