Oracle中死事务的检查语句_oracle_

 SQL> SELECT KTUXEUSN, KTUXESLT, KTUXESQN, /* Transaction ID */ 2 KTUXESTA Status, KTUXECFL Flags ,KTUXESIZ 3 FROM x$ktuxe 4 WHERE ktuxesta!='INACTIVE'; KTUXEUSN KTUXESLT KTUXESQN STATUS FLAGS KTUXESIZ ---------- ---------- ---------- ---------------- ------------------------ ---------- 13 5 47447 ACTIVE DEAD 2819919 39 0 502 ACTIVE NONE 1 43 45 480 ACTIVE NONE 0

 SQL> / KTUXEUSN KTUXESLT KTUXESQN STATUS FLAGS KTUXESIZ ---------- ---------- ---------- ---------------- ------------------------ ---------- 13 5 47447 ACTIVE DEAD 2819919<----该值没减小。 39 0 502 ACTIVE NONE 1 43 45 480 ACTIVE NONE 0

 SQL>alter system set fast_start_parallel_rollback=false scope=both;

 SQL> SELECT KTUXEUSN, KTUXESLT, KTUXESQN,/* Transaction ID */ 2 KTUXESTA Status, KTUXECFL Flags ,KTUXESIZ 3 FROM x$ktuxe 4 WHERE ktuxesta!='INACTIVE'; KTUXEUSN KTUXESLT KTUXESQN STATUS FLAGS KTUXESIZ ---------- ---------- -------------------------- ------------------------ ---------- 13 5 47447 ACTIVE DEAD 2033516 35 29 502 ACTIVE NONE 1 SQL> / KTUXEUSN KTUXESLT KTUXESQN STATUS FLAGS KTUXESIZ ---------- ---------- -------------------------- ------------------------ ---------- 13 5 47447 ACTIVE DEAD 2033433<---该值不断变小。 35 29 502 ACTIVE NONE 1

 SQL> set serveroutput on SQL> declare 2 l_start number; 3 l_end number; 4 begin 5 select ktuxesiz into l_startfrom x$ktuxe where KTUXEUSN=13 and KTUXESLT=5; 6 dbms_lock.sleep(60); 7 select ktuxesiz into l_endfrom x$ktuxe where KTUXEUSN=13 and KTUXESLT=5; 8 dbms_output.put_line('time estDay:'|| round(l_end/(l_start -l_end)/60/24,2)); 9 end; 10 / time est Day:.21