2012年4月26日 星期四

DB2的常用命令


介紹一些DB2的常用命令,希望對初學者有幫助。
1
.啟動資料庫
      db2start
2
.停止資料庫
      db2stop
3
.連接資料庫
      db2 connect to o_yd user db2 using pwd
4
.讀資料庫管理程式配置
      db2 get dbm cfg
5
.寫資料庫管理程式配置
      db2 update dbm cfg using
參數名 參數值
6
.讀資料庫的配置
      db2 connect to o_yd user db2 using pwd
      db2 get db cfg for o_yd
7
.寫資料庫的配置
      db2 connect to o_yd user db2 using pwd
      db2 update db cfg for o_yd using
參數名 參數值
8
.關閉所有應用連接
      db2 force application all
      db2 force application ID1,ID2,,,Idn MODE ASYNC
      (db2 list application for db o_yd show detail)
9
.備份資料庫
      db2 force application all
      db2 backup db o_yd to d:
     (db2 initialize tape on \\.\tape0)
     (db2 rewind tape on \\.\tape0)
     db2 backup db o_yd to \\.\tape0
10
.恢復資料庫
     db2 restore db o_yd from d: to d:
     db2 restore db o_yd from \\.\tape0 to d:
11
.綁定存儲過程
    db2 connect to o_yd user db2 using pwd
    db2 bind c:\dfplus.bnd
  
拷貝存儲過程到伺服器上的C:\sqllib\function目錄中
12
.整理表
     db2 connect to o_yd user db2 using pwd
     db2 reorg table ydd
     db2 runstats on table ydd with distribution and indexes all
13.匯出表數據
      db2 export to c:\dftz.txt of del select * from dftz
      db2 export to c:\dftz.ixf of ixf select * from dftz
14
.導入表數據
import from c:\123.txt of del   insert into ylbx.czyxx
db2 import to c:\dftz.txt of del commitcount 5000 messages   c:\dftz.msg insert into dftz
db2 import to c:\dftz.ixf of ixf commitcount 5000 messages c:\dftz.msg insert into dftz
db2 import to c:\dftz.ixf of ixf commitcount 5000 insert into dftz
db2 import to c:\dftz.ixf of ixf commitcount 5000 insert_update into dftz
db2 import to c:\dftz.ixf of ixf commitcount 5000 replace into dftz
db2 import to c:\dftz.ixf of ixf commitcount 5000 create into dftz    (
IXF)
db2 import to c:\dftz.ixf of ixf commitcount 5000 replace_create into dftz   (
IXF)
15.執行一個批次檔
        db2 –tf
批次檔名
      
(文件中每一條命令用 ;結束)
16
.自動生成批次檔
      
建文字檔:temp.sql
    select 'runstats on table DB2.' || tabname || ' with distribution and   detailed indexes all;' from syscat.tables where tabschema='DB2' and type='T';
db2 –tf temp.sql>runstats.sql
17
.自動生成建表(視圖)語句
在伺服器上:C:\sqllib\misc目錄中
db2 connect to o_yd user db2 using pwd
db2look –d o_yd –u db2 –e –p –c c:\o_yd.txt
18
.其他命令
grant dbadm on database to user bb
19select * from czyxx fetch first 1 rows only
20db2look –d ylbx –u db2admin –w –asd –a –e –o a.txt21.
顯示當前使用者所有表
  list tables
22.
列出所有的系統表
  list tables for system
23.
查看表結構
  db2 describe select * from user.tables

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