大批量執(zhí)行DML語(yǔ)句造成回滾段大量占用,又回退操作,如何直觀查詢數(shù)據(jù)回滾情況?
單機(jī)環(huán)境 查詢回滾執(zhí)行進(jìn)度
select /*+ rule */s.sid, r.name rr, nvl(s.username,'no transaction') us, s.osuser os, s.terminal te, t.used_urec rec, t.used_ublk blk from v$lock l, v$session s, v$rollname r,v$transaction t where l.sid = s.sid(+) and trunc(l.id1/65536) = r.usn and l.type = 'TX' and t.ses_addr = s.saddr and l.lmode = 6;
單機(jī)環(huán)境 查詢回滾執(zhí)行進(jìn)度
select /*+ rule */s.sid, r.name rr, nvl(s.username,'no transaction') us, s.osuser os, s.terminal te, t.used_urec rec, t.used_ublk blk from v$lock l, v$session s, v$rollname r,v$transaction t where l.sid = s.sid(+) and trunc(l.id1/65536) = r.usn and l.type = 'TX' and t.ses_addr = s.saddr and l.lmode = 6;
集群環(huán)境 查詢回滾執(zhí)行進(jìn)度
select /*+ rule */s.sid, r.name rr, nvl(s.username,'no transaction') us, s.osuser os, s.terminal te, t.used_urec rec, t.used_ublk blk from gv$lock l, gv$session s, v$rollname r,gv$transaction t where l.sid = s.sid(+) and trunc(l.id1/65536) = r.usn and l.type = 'TX' and t.ses_addr = s.saddr and l.lmode = 6;
單機(jī)環(huán)境 查詢回滾執(zhí)行進(jìn)度
select /*+ rule */s.sid, r.name rr, nvl(s.username,'no transaction') us, s.osuser os, s.terminal te, t.used_urec rec, t.used_ublk blk from v$lock l, v$session s, v$rollname r,v$transaction t where l.sid = s.sid(+) and trunc(l.id1/65536) = r.usn and l.type = 'TX' and t.ses_addr = s.saddr and l.lmode = 6;
總結(jié)
以上所述是小編給大家介紹的Oracle回滾段使用查詢代碼詳解,希望對(duì)大家有所幫助,如果大家有任何疑問(wèn)請(qǐng)給我留言,小編會(huì)及時(shí)回復(fù)大家的。在此也非常感謝大家對(duì)VeVb武林網(wǎng)網(wǎng)站的支持!
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