zoukankan      html  css  js  c++  java
  • 数据库使用数据泵迁移遇到LOB字段

    impdp system/Clic1234 attach=SYS_IMPORT_ILEARN_TRA

    desc ILEARN_TRA.NOTIFI_TACTIC

    desc ILEARN_TRA.MSG_MAIL
    desc ILEARN_TRA.NT_HISTORY
    desc ILEARN_TRA.ATTEMPT
    desc ILEARN_TRA.NOTIFI_TACTIC
    desc ILEARN_TRA.USER_INIT_EXAM

    while true
    do
    ora tsfree
    sleep 600
    done;


    create table t_lob as  select distinct(table_name) from dba_lobs@dblink_datapump where owner ='ILEARN_TRA';

    select distinct(a.table_name) from dba_lobs a,t_lob b where a.table_name not in (select table_name from t_lob) and a.owner='ILEARN_TRA';

    ATTEMPT
    USER_INIT_EXAM


    select BYTES/1024/1024,b.table_name,a.segment_name from dba_segments a,dba_lobs b where a.segment_name = b.segment_name and b.table_name in ('ATTEMPT','USER_INIT_EXAM') order by BYTES;

    select sum(a.BYTES/1024/1024) as s_size from dba_segments a,dba_lobs b where a.segment_name = b.segment_name and b.owner ='ILEARN_TRA' and b.table_name='USER_INIT_EXAM';


    SUBCATEGORY_PK
    select BYTES/1024/1024 from dba_segments where segment_name='SUBCATEGORY_PK';
    select round(count(distinct(CONSTRAINT_NAME))/512*100,2)||'%' as AA from all_constraints where OWNER='ILEARN_TRA' and CONSTRAINT_TYPE='R';
    select count(distinct(CONSTRAINT_NAME)) from all_constraints where OWNER='ILEARN_TRA' and CONSTRAINT_TYPE='R';
    select  CONSTRAINT_TYPE  from all_constraints where CONSTRAINT_NAME='ILA_ORDER_PART_XREF_ORDER_FK';

    OWNER                                                                                                             NOT NULL VARCHAR2(30)
    CONSTRAINT_NAME                                                                                                   NOT NULL VARCHAR2(30)
    CONSTRAINT_TYPE                                                                                                            VARCHAR2(1)
    TABLE_NAME  


    --create table lob_persent as
    insert into lob_persent
    SELECT round(sum(c.BYTES / 1024 / 1024) / sum(a.BYTES / 1024 / 1024) * 100, 2) || '%' AS PERCENT,to_char(sysdate,'yyyy-mm-dd hh24:mi:ss') as nowTime
    FROM dba_segments@dblink_datapump a,
        dba_lobs@dblink_datapump b,
        dba_segments c,
        dba_lobs d
    WHERE c.segment_name = d.segment_name
        AND d.OWNER = 'ILEARN_TRA'
        AND d.table_name = 'USER_INIT_EXAM'
        AND a.segment_name = b.segment_name
        AND b.OWNER = 'ILEARN_TRA'
        AND b.table_name = 'USER_INIT_EXAM';
    commit;
    select * from lob_persent;
       
    create or replace procedure test as 
    begin 
    SELECT round(sum(c.BYTES / 1024 / 1024) / sum(a.BYTES / 1024 / 1024) * 100, 2) || '%' AS PERCENT,to_char(sysdate,'yyyy-mm-dd hh24:mi:ss') as nowTime
    FROM dba_segments@dblink_datapump a,dba_lobs@dblink_datapump b,dba_segments c,dba_lobs d
    WHERE c.segment_name = d.segment_name
    AND d.OWNER = 'ILEARN_TRA'
    AND d.table_name = 'USER_INIT_EXAM'
    AND a.segment_name = b.segment_name
    AND b.OWNER = 'ILEARN_TRA'
    AND b.table_name = 'USER_INIT_EXAM';
    end; 

    declare 
    job1 number;
    begin 
    dbms_job.submit(job1,'test;',sysdate,'sysdate+1/144');
    end; 

    select sum(BYTES/1024/1024) from dba_segments a,dba_lobs b where a.segment_name = b.segment_name and b.owner ='ILEARN_TRA';


    集电港
    BYTES/1024/1024 TABLE_NAME           SEGMENT_NAME
    --------------- -------------------- ------------------------------
              .0625 ATTEMPT              SYS_LOB0000053178C00039$$
              .0625 ATTEMPT              SYS_LOB0000065763C00039$$
                  6 USER_INIT_EXAM       SYS_LOB0000054426C00018$$
                 27 USER_INIT_EXAM       SYS_LOB0000067328C00018$$
                 45 USER_INIT_EXAM       SYS_LOB0000067328C00028$$
                244 USER_INIT_EXAM       SYS_LOB0000067328C00027$$
                244 USER_INIT_EXAM       SYS_LOB0000067328C00029$$
               7481 USER_INIT_EXAM       SYS_LOB0000054426C00017$$
              67883 USER_INIT_EXAM       SYS_LOB0000067328C00017$$
               
               
    卡园
    BYTES/1024/1024 TABLE_NAME                     SEGMENT_NAME
    --------------- ------------------------------ ---------------------------------------------------------------------------------
              .0625 ATTEMPT                        SYS_LOB0000126246C00039$$
              .0625 ATTEMPT                        SYS_LOB0000128357C00039$$
                .25 USER_INIT_EXAM                 SYS_LOB0000128579C00018$$
              .5625 USER_INIT_EXAM                 SYS_LOB0000126445C00018$$
                  2 USER_INIT_EXAM                 SYS_LOB0000128579C00028$$
                  8 USER_INIT_EXAM                 SYS_LOB0000128579C00027$$
                 80 USER_INIT_EXAM                 SYS_LOB0000128579C00029$$
               6859 USER_INIT_EXAM                 SYS_LOB0000126445C00017$$
              11980 USER_INIT_EXAM                 SYS_LOB0000128579C00017$$
             
             
             
    75930
    75393.75
       

    24732   
             
    1分钟256M
             
             
    源:         
    CREATE  OR  REPLACE  VIEW  USER_INIT_EXAM_LOB 
       (size) 
    AS  select sum(a.BYTES/1024/1024) from dba_segments a,dba_lobs b where a.segment_name = b.segment_name and b.owner ='ILEARN_TRA' and b.table_name='USER_INIT_EXAM';         


    exec DBMS_STATS.GATHER_schema_STATS ('ILEARN_TRA',estimate_percent => dbms_stats.auto_sample_size,method_opt => 'for all columns size auto',degree => 15,cascade => true);
    exec DBMS_STATS.GATHER_schema_STATS ('ILA_SAP',estimate_percent => dbms_stats.auto_sample_size,method_opt => 'for all columns size auto',degree => 15,cascade => true);
    exec DBMS_STATS.GATHER_schema_STATS ('ILEARN_JOB',estimate_percent => dbms_stats.auto_sample_size,method_opt => 'for all columns size auto',degree => 15,cascade => true);
    exec DBMS_STATS.GATHER_schema_STATS ('ILEARN',estimate_percent => dbms_stats.auto_sample_size,method_opt => 'for all columns size auto',degree => 15,cascade => true);
    exec DBMS_STATS.GATHER_schema_STATS ('ILEARN_BEIYAN',estimate_percent => dbms_stats.auto_sample_size,method_opt => 'for all columns size auto',degree => 15,cascade => true);
    exec DBMS_STATS.GATHER_schema_STATS ('APEX_PUBLIC_USER',estimate_percent => dbms_stats.auto_sample_size,method_opt => 'for all columns size auto',degree => 15,cascade => true);


    ILEARN_TRA     
    ILA_SAP        
    ILEARN_JOB     
    ILEARN         
    ILEARN_BEIYAN  
    APEX_PUBLIC_USER

    alter system set "_gc_policy_minimum"=1000000 sid='ilndb1' scope=both;
    alter system set "_gc_affinity_ratio"=1000000 sid='ilndb1'  scope=both;

    alter system set "_gc_policy_minimum"=1000000 sid='ilndb2' scope=both;
    alter system set "_gc_affinity_ratio"=1000000 sid='ilndb2'  scope=both;

    alter system set "_gc_policy_minimum"=1000000 sid='ilndb3' scope=both;
    alter system set "_gc_affinity_ratio"=1000000 sid='ilndb3'  scope=both;


    CONFIGURE SNAPSHOT CONTROLFILE NAME TO '+DATADG/ILNDB/CONTROLFILE/snapcf_ilndb1.f';
    CONFIGURE SNAPSHOT CONTROLFILE NAME clear

    +DATADG/ILNDB/CONTROLFILE/snapcf_ilndb1.f

  • 相关阅读:
    学习canvas过程中的小菜鸟
    小菜鸟谈html语义化
    mui常用方法
    mui的侧滑菜单如何禁用手势侧滑
    ajax 传递数组参数
    LNMP状态管理命令
    LNMP相关软件目录及文件位置
    ubuntu常用命令
    Ubuntu设置允许root用户登录
    linux一键安装web环境(sh-1.3.0)
  • 原文地址:https://www.cnblogs.com/wangrongxin/p/6209758.html
Copyright © 2011-2022 走看看