DB2数据库常用命令集 ( 部分数据库维护命令 )【转载】

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*     update: 2006-06-14
*     memo: 详细命令请使用"db2 ? <command>"进行查看。　
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db2stop
或
db2stop force。

db2stop
db2stop force

db2start

db2 create db <db name>
或
db2 create db using codeset GBK territory CN

db2 drop db <db name>

db2 force application all

db2 connect to <db name> user <username> using <password>

db2 connect reset
或者
db2 disconnect current

db2 disconnect all

db2 backup db <db name>

db2 restore db <source db name>

db2move <db name> export
[-sn     <模式名称，一般为db2admin>]
[-tn     <表名，多个之间用逗号分隔>]

db2move <db name> import

db2 list db directory

在“运行”中执行：db2cmd

db2 get dbm cfg

db2 get db cfg for <db name>

或者：连接至某个数据库以后执行db2 get db cfg。

db2 update dbm cfg using federated yes

db2 UPDATE DB CFG FOR <db name> USING logretain OFF
logprimary 3 logsecond 2 logfilsiz 25600;

DB2 CREATE USER TEMPORARY TABLESPACE STMASPACE PAGESIZE 32 K
MANAGED BY DATABASE USING (FILE 'D:\DB2_TAB\STMASPACE.F1' 10000)
EXTENTSIZE 256

db2 –v get snapshot for dbm

db2 list applications show detail

sqlcode:产品特定错误码；
sqlstate:DB2系列产品的公共错误码，符合ISO/ANSI 92SQL标准。
调查sqlcode : db2 ? sql1403n
调查sqlstate: db2 ? 08004

rem 创建缓冲池空间 8K
db2 connect to gather
db2 CREATE BUFFERPOOL STMABMP IMMEDIATE  SIZE 25000 PAGESIZE 8K
rem 创建表空间：STMA
rem 必须确认路径正确
rem D:\DB2Container\Stma
db2 drop tablespace stma
db2 CREATE
REGULAR TABLESPACE STMA PAGESIZE 8 K
MANAGED BY SYSTEM
USING ('D:\DB2Container\Stma' ) EXTENTSIZE 8
OVERHEAD 10.5 PREFETCHSIZE 8 TRANSFERRATE 0.14 BUFFERPOOL
STMABMP
DROPPED TABLE RECOVERY OFF
db2 connect reset

db2 ROLLFORWARD DATABASE TESTDB TO END OF LOGS AND COMPLETE NORETRIEVE

BACKUP DATABASE YNDC TABLESPACE ( USERSPACE1 )
TO "D:\temp" WITH 2 BUFFERS BUFFER 1024 PARALLELISM 1 WITHOUT PROMPTING

db2 create tools catalog systools create new database toolsdb

db2 -v connect to DB_NAME
db2 -v "select tbname, nleaf, nlevels, stats_timefrom sysibm.sysindexes"
db2 -v reorgchkupdate statistics on table all
db2 -v "select tbname, nleaf, nlevels, stats_timefrom sysibm.sysindexes"
db2 -v terminate

db2 -v runstatson table TAB_NAMEand indexes all

db2 -v "select tbname, nleaf, nlevels,  stats_timefrom sysibm.sysindexes"

db2 -v connect to DB_NAME
db2 -v select * from syscat.bufferpools
db2 -v alter bufferpoolIBMDEFAULTBP size -1
db2 -v connect reset  db2 -v terminate

db2 -v update db cfgfor dbnameusing BUFFPAGE bigger_value
db2 -v terminate

db2 -v get monitor switches

db2 -v update monitor switches using bufferpoolon

db2 -v get snapshot for all databases > snap.out
db2 -v get snapshot for dbm>> snap.out
db2 -v get snapshot for all bufferpools>> snap.out
db2 -v terminate

db2 -v reset monitor all

(1 -((buffer pool data physical reads + buffer pool index physical reads)
/(buffer pool data logical reads + pool index logical reads))) *100%

db2icrt <实例名称>

db2idrop <实例名称>

set db2intance=db2

db2ilist

DB2 RESTORE DATABASE YNDC INCREMENTAL AUTOMATIC FROM
D:\backup\autobak\db2 TAKEN AT 20060314232015

sqllib/bin/db2sampl <path>

db2 list tables

db2 describe table v_ro_role

ALTER TABLE STAFF
ADD COLUMN PNHONE VARCHAR(20)

db2 connect to testdb user test password test
db2 "export to aa1.ixf of ixf select * from table1"
db2 "export to aa2.ixf of ixf select * from table2"
db2 connect reset

db2 connect to testdb user test password test
db2 "load from aa1.ixf of ixf     replace into table1     COPY NO     without prompting "
db2 "load from aa2.ixf of ixf     replace into table2     COPY NO     without prompting "
db2 connect reset