在PL/SQL中更改TIME_ZONE過程

Question

有沒有辦法在存儲過程/包中執行ALTER SESSION SET time_zone ='America/New_York'？我想將會話TZ更改爲NY，然後將其恢復到之前的狀態。

Answer 1

SQL> begin 
    2  execute immediate 'alter session SET TIME_ZONE=''America/New_York'''; 
    3 end; 
    4/

PL/SQL procedure successfully completed 
SQL> select sessiontimezone from dual 
    2/

SESSIONTIMEZONE 
--------------------------------------------------------------------------- 
America/New_York 

SQL>