Heim >Datenbank >MySQL-Tutorial >优化SQL一条
优化SQL一条
- WBOYOriginal
- 2016-06-07 14:54:131108Durchsuche
昨天大半夜接到一条SQL，反应说很慢，我非常愤怒，经过询问，三个月才需要跑这个SQL一次，你tm非要在马上法定节假日了 跑它吗? SQL如下(巨长无比) ? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
昨天大半夜接到一条SQL，反应说很慢，我非常愤怒，经过询问，三个月才需要跑这个SQL一次，你tm非要在马上法定节假日了 跑它吗?
SQL如下(巨长无比)
?
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select * from table(dbms_xplan.display_cursor(lower('0ah5a8dbk28fh')));
PLAN_TABLE_OUTPUT
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
SQL_ID 0ah5a8dbk28fh, child number 0
-------------------------------------
INSERT INTO END_TRANS_ACCOUNT( BRANCH_NO ,COST_CENTER ,CNTR_NO ,IPSN_NO
,POL_CODE ,ACCOUNT_NO ,I_INFO_GROUP_FLAG ,SG_NO ,CURRENCY_CODE
,VALID_DATE ,CNTR_STAT ,INVALID_DATE ,ENDORSE_STAT ,REDUCE_START_DATE
,GROUP_FLAG ,SET_STAT ,FREEZE_STAT ,DEAD_DATE ,DEAD_CODE ,MED_DATE
,ADJ_STOP_CAUSE ,ADJ_STOP_DATE ,DUTY_STOP_DATE ,IPSN_AGE ,IPSN_SEX
,IPSN_NUM ,I_INFO_PAY_ITRVL ,I_INFO_PAY_DUR ,I_INFO_PREM
,I_INFO_INSUR_DUR ,FACE_AMNT ,EXPIRY_AMNT ,SUM_ASS_AMNT ,FEE_ITRVL
,REV_GRNT ,REV_GRNT_RATE ,RIDER_INFO ,RIDER1_CNTR_NO ,RIDER2_CNTR_NO
,RIDER3_CNTR_NO ,RIDER1_SA ,RIDER2_SA ,ACCOUNT_V_B ,ACCOUNT_V_E
,BONUS_RATIO ,CLAIM_FLAG ,PREM_PAID_NUM ,LAST_PREM_DATE ,LAST_PREM
,YEAR_PREM_SG ,YEAR_PREM_RG ,FTP_PREM ,SUM_PREM ,OCC_AMNT ,PALBD_AMNT
,FEE_INCOME ,FEE_INCOME_TOTAL ,BONUS_PERSISTENCY
,BONUS_PERSISTENCY_TOTAL ,BONUS_CREDITED ,INV_GRNT_RATE
,BONUS_REV_ITRVL ,BONUS_SUM ,BONUS_AMNT ,PAID_AMNT ,PAID_ANN_AMNT
,PAID_DEATH_AMNT ,PAID_DIS_AMNT ,PAID_MED_AMNT ,PAID_MED_REIMB
,PAID_EXP_AMNT ,PAID_GRANT_AMNT ,
Plan hash value: 2746060288
---------------------------------------------------------------------------------------------------------------------------------
| Id | Operation | Name | Rows | Bytes |TempSpc| Cost (%CPU)| Time |
---------------------------------------------------------------------------------------------------------------------------------
| 0 | INSERT STATEMENT | | | | | 2581K(100)| |