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 6 FROM v$transaction t 7 JOIN v$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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