怎么看ORACLE默认的事务隔离级别
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SELECT s.sid, s.serial#,
CASE BITAND(t.flag, POWER(2, 28))
WHEN 0 THEN 'READ COMMITTED'
ELSE 'SERIALIZABLE'
END AS isolation_level
FROM v$transaction t
JOIN v$session s ON t.addr = s.taddr AND s.sid = sys_context('USERENV', 'SID');
If you are not already in a transaction you can start one with the following:
declare
trans_id Varchar2(100);
begin
trans_id := dbms_transaction.local_transaction_id( TRUE );
end;
