Guys , my insert statement is below . explain shows 828 for redo
size . does it mean the no of blocks ? what should be the ideal
value for the same ? what does the value for redo size = 828
indicate ?
kindly explain me.
insert into MSG_History
(Tel,MemNo,FromMemNo,Sex,PDate,Content,S_Name,S_Age,S_Hight,S_Style,S_BloodType,S_LooksLike,Name,Age,Hight,Style,BloodType,LooksLike,REFERER,MSGID,DelFLG,RefCNT,EntPC,Opt1)
values
(:RTEL,:RMEMNO,:SID,:op_sex,SYSDATE,:MESSAGE,:NAME,:AGE,:HIGHT,:STYLE,:BLOODTYPE,:LOOKSLIKE,:RNAME,:RAGE,:RHIGHT,:RSTYLE,:RBLOODTYPE,:RLOOKSLIKE,'żżż',GetMSGID.NextVal,0,0,:EntPC,:POSTNO)
Elapsed: 00:00:00.69
Execution Plan
---------------------------------------------------------
0 INSERT STATEMENT Optimizer=CHOOSE (Cost=39185
Card=6800153 B
ytes=1523234272)
1 0 SEQUENCE OF 'GETMSGID'
Statistics
---------------------------------------------------------
0 recursive calls
8 db block gets
1 consistent gets
1 physical reads
828 redo size
858 bytes sent via SQL*Net to client
1520 bytes received via SQL*Net from client
3 SQL*Net roundtrips to/from client
2 sorts (memory)
0 sorts (disk)
1 rows processed
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