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create table sic_hi_guest_201608 as select * from sic_hi_guest partition(PART201608);
alter table sic_hi_guest drop partition PART201608;

alter index INDEX_SIC_HI_GUEST_CERTNO_NEW rebuild;
alter index INDEX_SIC_HI_GUEST_CHETIME_N rebuild;
alter index INDEX_SIC_HI_GUEST_DEPIME_NEW rebuild;
alter index INDEX_SIC_HI_GUEST_GROUNO_NEW rebuild;
alter index INDEX_SIC_HI_GUEST_GUESNO_NEW rebuild;
alter index INDEX_SIC_HI_GUEST_GUESTD_NEW rebuild;
alter index INDEX_SIC_HI_GUEST_LONGINO_NEW rebuild;
alter index INDEX_SIC_HI_GUEST_PHOTID_NEW rebuild;
alter index INDEX_SIC_HI_GUEST_ROOMID_NEW rebuild;
alter index PK_SIC_HI_GUEST_NEW rebuild;
alter index SIC_HI_GUEST_DATASOURCES_NEW rebuild;
alter index SIC_HI_GUEST_INPUTIME_NEW rebuild;

--定期删除脚本
[root@test oracle]# more r_sic_guest.sh
#!/bin/bash
today=`date -d ‘-2 month‘ +%Y%m`
oldtable=sic_hi_guest_$today
partable=PART$today
fname=${partable}.sql
newfile=$fname
echo "drop table $oldtable CASCADE CONSTRAINTS;" >$newfile
echo "create table $oldtable as select * from sic_hi_guest partition(${partable});" >>$newfile
echo "alter table sic_hi_guest drop partition $partable;" >>$newfile
echo "alter index INDEX_SIC_HI_GUEST_CERTNO_NEW rebuild;" >>$newfile
echo "alter index INDEX_SIC_HI_GUEST_CHETIME_N rebuild;" >>$newfile
echo "alter index INDEX_SIC_HI_GUEST_DEPIME_NEW rebuild;" >>$newfile
echo "alter index INDEX_SIC_HI_GUEST_GROUNO_NEW rebuild;" >>$newfile
echo "alter index INDEX_SIC_HI_GUEST_GUESNO_NEW rebuild;" >>$newfile
echo "alter index INDEX_SIC_HI_GUEST_GUESTD_NEW rebuild;" >>$newfile
echo "alter index INDEX_SIC_HI_GUEST_LONGINO_NEW rebuild;" >>$newfile
echo "alter index INDEX_SIC_HI_GUEST_PHOTID_NEW rebuild;" >>$newfile
echo "alter index INDEX_SIC_HI_GUEST_ROOMID_NEW rebuild;" >>$newfile
echo "alter index PK_SIC_HI_GUEST_NEW rebuild;" >>$newfile
echo "alter index SIC_HI_GUEST_INPUTIME_NEW rebuild;" >>$newfile
echo "quit" >>$newfile
sqlplus gpsuser/gpsuser123@gpstest @/home/oracle/$newfile >> init.log

添加字段
-- Add/modify columns
alter table SIC_HI_GUEST add datasources varchar2(1) default 0;
-- Add comments to the columns
comment on column SIC_HI_GUEST.datasources
is ‘0 BS端录入的数据 1 手机端录入数据 2 CS端录入的数据‘;

创建分区索引：

-- Create/Recreate indexes
create index INDEX_SIC_HI_GUEST_CERTNO_NEW on SIC_HI_GUEST (CERTNO)
local;
create index INDEX_SIC_HI_GUEST_CHETIME_N on SIC_HI_GUEST (CHECINTIME)
local;
create index INDEX_SIC_HI_GUEST_DEPIME_NEW on SIC_HI_GUEST (DEPATIME)
local;
create index INDEX_SIC_HI_GUEST_GROUNO_NEW on SIC_HI_GUEST (GROUNO)
local;
create index INDEX_SIC_HI_GUEST_GUESNO_NEW on SIC_HI_GUEST (SUBSTR(GUESNO,1,14))
local;
create index INDEX_SIC_HI_GUEST_GUESTD_NEW on SIC_HI_GUEST (GUESTOGEID)
local;
create index INDEX_SIC_HI_GUEST_LONGINO_NEW on SIC_HI_GUEST (LONGRESINO)
local;
create index INDEX_SIC_HI_GUEST_PHOTID_NEW on SIC_HI_GUEST (PHOTID)
local;
create index INDEX_SIC_HI_GUEST_ROOMID_NEW on SIC_HI_GUEST (ROOMID)
local;
create unique index PK_SIC_HI_GUEST_NEW on SIC_HI_GUEST (GUESNO, OPERTIME_MONTH, OPERTIME_DAY)
local;
create index SIC_HI_GUEST_INPUTIME_NEW on SIC_HI_GUEST (INPUTIME)
local;

查看索引状态：
select index_name,index_type,status from dba_indexes where table_name=‘SIC_HI_GUEST‘

select index_name,partition_name,status from user_ind_partitions where INDEX_NAME IN (SELECT INDEX_NAME From user_part_indexes where table_name=‘SIC_HI_GUEST‘)

select index_name,partition_name,subpartition_name,status from user_ind_subpartitions where INDEX_NAME IN (SELECT INDEX_NAME From user_part_indexes where table_name=‘SIC_HI_GUEST‘)

下面我手工将索引的状态修改为UNUSABLE，模拟索引破坏的情况（比如移动分区的情况）
alter index INDEX_SIC_HI_GUEST_CERTNO_NEW unusable;

注意：
alter index INDEX_SIC_HI_GUEST_CHETIME_N rebuild partition PART201411
ORA-14287:不能REBUILD（重建）组合范围分区的索引的分区

alter index INDEX_SIC_HI_GUEST_CHETIME_N rebuild subpartition PART20141101;
索引已更改。

这样重建子分区的所有索引后索引才可以用。

数据迁移