saundy 发表于 2018-9-11 10:20:15

查看oracle的事务级别

SYS@moe65 SQL>delete from scott.emp;  

  
14 rows deleted.
  

  
SYS@moe65 SQL>SELECT s.sid, s.serial#,
  
2   CASE BITAND(t.flag, POWER(2, 28))
  
3      WHEN 0 THEN 'READ COMMITTED'
  
4      ELSE 'SERIALIZABLE'
  
5   END AS isolation_level
  
6FROM v$transaction t
  
7JOIN v$session s ON t.addr = s.taddr AND s.sid = sys_context('USERENV', 'SID');
  

  
       SID    SERIAL# ISOLATION_LEVE
  
---------- ---------- --------------
  
       149         61 READ COMMITTED
  

  
SYS@moe65 SQL>rollback;
  

  
Rollback complete.
  

  
SYS@moe65 SQL>exit


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