db2mysql下载_db2SQL命令
export to tempfile of del select * from TABLENAME where not清理?xiàng)l件；
load from tempfile of del modified by delprioritychar replace into TABLENAME nonrecoverable；
調(diào)整數(shù)據(jù)庫(kù)參數(shù)。%db2 connect to wisg
%db2 UPDATE DB CFG FOR wisg USING LOGBUFSZ??????? 512日志緩沖區(qū)大小(4KB)%db2 UPDATE DB CFG FOR wisg USING LOCKLIST??????? 512鎖定列表的最大存儲(chǔ)量(4KB)%db2 UPDATE DB CFG FOR wisg USING APP_CTL_HEAP_SZ 512最大應(yīng)用程序控制堆大小(4KB)%db2 UPDATE DB CFG FOR wisg USING SORTHEAP??????? 25000排序列表堆(4KB)%db2 UPDATE DB CFG FOR wisg USING MAXLOCKS??????? 60每個(gè)應(yīng)用程序的鎖定百分比列表%db2 UPDATE DB CFG FOR wisg USING NUM_IOCLEANERS? 4異步頁(yè)清除程序的數(shù)目%db2 UPDATE DB CFG FOR wisg USING NUM_IOSERVERS?? 6? I/O服務(wù)器的數(shù)目%db2 UPDATE DB CFG FOR wisg USING logfilsiz?????? 160000日志文件大小(4KB)%db2 UPDATE DB CFG FOR wisg USING LOGPRIMARY????? 3主日志文件的數(shù)目%db2 UPDATE DB CFG FOR wisg USING LOCKTIMEOUT????? 60鎖的超時(shí)時(shí)間%db2 UPDATE DBM CFG USING HEALTH_MON off關(guān)閉健康監(jiān)控中心%db2 UPDATE DBM CFG USING START_STOP_TIME 3啟動(dòng)停止超時(shí)時(shí)間%db2 terminate
79. db2創(chuàng)建用戶1.在系統(tǒng)中創(chuàng)建一個(gè)用戶2.用db2inst1鏈接數(shù)據(jù):db2 connect to das
3.給新用戶賦權(quán)限:db2 grant connect on database to user XXX
80.啟動(dòng)數(shù)據(jù)庫(kù)監(jiān)聽(tīng)db2set DB2COMM=tcpip
db2stop force
db2start
db2優(yōu)化：以db2inst1用戶登錄，調(diào)整實(shí)例參數(shù)，并測(cè)試啟動(dòng)是否成功。#su - db2inst1
%db2start
%db2 UPDATE DBM CFG USING SHEAPTHRES 125000共享排序的排序堆域值(4KB)%db2set DB2_PARALLEL_IO=*所有表空間將使用每個(gè)容器主軸數(shù)等于6的缺省值。預(yù)取大小比啟用并行I/O時(shí)大6倍。所有表空間均會(huì)啟用并行I/O。預(yù)取請(qǐng)求分解成多個(gè)較小請(qǐng)求，每個(gè)請(qǐng)求等于預(yù)取大小除以擴(kuò)展數(shù)據(jù)塊大小后的值(或等于容器數(shù)乘以主軸數(shù))。%db2set DB2_SKIPINSERTED=on
%db2set DB2_EVALUNCOMMITTED=on為了提高并發(fā)性，DB2(R)現(xiàn)在允許在某些情況下對(duì)CS或RS隔離掃描延遲行鎖定，直到知道一條記錄滿足查詢的謂詞為止。缺省情況下，當(dāng)在表掃描或索引掃描期間執(zhí)行行鎖定時(shí)，DB2會(huì)先鎖定已掃描的每一行然后再確定該行是否符合查詢要求。為了提高掃描的并發(fā)性，可以延遲行鎖定，直到確定某行符合查詢要求為止。要利用此功能，應(yīng)啟用DB2_EVALUNCOMMITTED注冊(cè)表變量。%db2set DB2_SKIPDELETED=on如果啟用了DB2_SKIPDELETED注冊(cè)表變量，則DB2在類型2索引掃描中將跳過(guò)已刪除的鍵。%db2stop
77.數(shù)據(jù)庫(kù)調(diào)優(yōu)db2untag -f /dev/raw/raw1
db2untag -f /dev/raw/raw2
db2untag -f /dev/raw/raw3
db2untag -f /dev/raw/raw4
db2 update db cfg using newlogpath /dev/raw/raw4
db2 update db cfg using logfilsiz 20480
db2 update db cfg using logprimary 15
db2 update db cfg using logsecond 5
db2 update db cfg using PCKCACHESZ 51200堆中沒(méi)有足夠的存儲(chǔ)器可用來(lái)處理語(yǔ)句:db2 update db cfg using APP_CTL_HEAP_SZ 1000
statement is too long or too complex:db2 update db cfg using STMTHEAP 4096
db2 alter bufferpool ibmdefaultbp size 102400
78.創(chuàng)建裸設(shè)備#fdisk –l
#fdisk /dev/sdb其中/dev/sdb為陣列的一個(gè)盤輸入“n”創(chuàng)建新分區(qū)輸入“p”創(chuàng)建主分區(qū)。輸入“1”，指定分區(qū)號(hào)為1選擇默認(rèn)值1，按鍵盤上的“Enter”鍵選擇默認(rèn)值51200，按鍵盤上的“Enter”鍵輸入“p”查看分區(qū)信息輸入“t”改變分區(qū)ID輸入“1”指定分區(qū)號(hào)為1。輸入“8e”指定ID為8e，8e為L(zhǎng)VM類型分區(qū)輸入“p”查看分區(qū)信息輸入“w”，上述設(shè)置生效并退出創(chuàng)建物理卷#pvcreate -ff /dev/sdb1創(chuàng)建邏輯卷組#vgcreate -s 64M -v db2dg /dev/sdb1創(chuàng)建邏輯卷#lvcreate -l 160 –n? db2vol01 db2dg
#lvcreate -L 5120M -n db2vol02 db2dg
#lvcreate -L 5120M -n db2vol03 db2dg查看創(chuàng)建的卷組和邏輯卷。#vgdisplay –v創(chuàng)建文件系統(tǒng)。#mkfs -t ext3 /dev/db2dg/db2vol01掛載文件系統(tǒng)。#mkdir /db2vol01
#mount /dev/db2dg/db2vol01 /db2vol01
#chown –R db2inst1:db2grp1 /db2vol01掛載文件系統(tǒng)。#mkdir /db2vol01
#mount /dev/db2dg/db2vol01 /db2vol01
#chown –R db2inst1:db2grp1 /db2vol01關(guān)于目錄/home/db2inst1，具體的操作如下：#cd /home/db2inst1
#tar cvf /home/db2.tar .*
#cd /opt/IBM/db2/V8.1/instance
#./db2idrop db2inst1
#mount /dev/db2dg/db2vol10 /home/db2inst1
#cd /home/db2inst1
#tar xvf /home/db2.tar
#chown –R db2inst1:db2grp1 /home/db2inst1把邏輯卷鏈接到裸設(shè)備上。#raw /dev/raw/raw1 /dev/db2dg/db2vol02
#raw /dev/raw/raw2 /dev/db2dg/db2vol03
#raw /dev/raw/raw3 /dev/db2dg/db2vol04
#raw /dev/raw/raw4 /dev/db2dg/db2vol05改變裸設(shè)備的屬組。#chown -R db2inst1:db2grp1 /dev/raw/raw1
#chown -R db2inst1:db2grp1 /dev/raw/raw2
#chown -R db2inst1:db2grp1 /dev/raw/raw3
#chown -R db2inst1:db2grp1 /dev/raw/raw4
73.檢索具有特權(quán)的所有授權(quán)名SELECT DISTINCT GRANTEE, GRANTEETYPE, 'DATABASE' FROM SYSCAT.DBAUTH UNION
SELECT DISTINCT GRANTEE, GRANTEETYPE, 'TABLE ' FROM SYSCAT.TABAUTH UNION
SELECT DISTINCT GRANTEE, GRANTEETYPE, 'PACKAGE ' FROM SYSCAT.PACKAGEAUTH UNION
SELECT DISTINCT GRANTEE, GRANTEETYPE, 'INDEX ' FROM SYSCAT.INDEXAUTH UNION
SELECT DISTINCT GRANTEE, GRANTEETYPE, 'COLUMN ' FROM SYSCAT.COLAUTH UNION
SELECT DISTINCT GRANTEE, GRANTEETYPE, 'SCHEMA ' FROM SYSCAT.SCHEMAAUTH UNION
SELECT DISTINCT GRANTEE, GRANTEETYPE, 'SERVER ' FROM SYSCAT.PASSTHRUAUTH
ORDER BY GRANTEE, GRANTEETYPE, 3
74.修改表結(jié)構(gòu)alter table yhdab ALTER kh SET DATA TYPE varchar(13);
alter table lst_bsi alter bsi_money set data type int;
75.備份數(shù)據(jù)庫(kù)：CONNECT TO EXOA;
QUIESCE DATABASE IMMEDIATE FORCE CONNECTIONS;
CONNECT RESET;
BACKUP DATABASE EXOA TO "/home/exoa2/db2bak/" WITH 2 BUFFERS BUFFER 1024 PARALLELISM 1 WITHOUT PROMPTING;
CONNECT TO EXOA;
UNQUIESCE DATABASE;
CONNECT RESET;
76.查看是哪張表掛起:db2 select tabname,tableid from syscat.tables where tableid=59表名知道后到db2move.lst(在db2move? YOURDB? export的目錄中)中找到相應(yīng)的.ixf文件db2 load from tab11.ixf of ixf terminate into db2admin.xxxxxxxxx
tab11.ixf對(duì)應(yīng)的是xxxxxxxxx表
51. view application：LIST APPLICATION;
52. kill application：FORCE APPLICATION(0);
db2 force applications all (強(qiáng)迫所有應(yīng)用程序從數(shù)據(jù)庫(kù)斷開(kāi))
53. lock table：lock table test in exclusive mode
54.共享：lock table test in share mode
55.列出所有的系統(tǒng)表：list tables for system
56.顯示當(dāng)前活動(dòng)數(shù)據(jù)庫(kù)：list active databases
57.查看命令選項(xiàng)：list command options
58.表空間：list tablespaces
59.表空間容器：LIST TABLESPACE CONTAINERS FOR；Example: LIST TABLESPACE CONTAINERS FOR 1
60.顯示用戶數(shù)據(jù)庫(kù)的存取權(quán)限：GET AUTHORIZATIONS
61.表或視圖特權(quán):grant select,delete,insert,update on tables to user
grant all on tables to user WITH GRANT OPTION
62.程序包特權(quán):GRANT EXECUTE ON PACKAGE PACKAGE-name TO PUBLIC
63.模式特權(quán):GRANT CREATEIN ON SCHEMA SCHEMA-name TO USER
64.數(shù)據(jù)庫(kù)特權(quán):grant connect,createtab,dbadm on database to user
65.索引特權(quán):grant control on index index-name to user
66.信息幫助(? XXXnnnnn):例:? SQL30081
67. SQL幫助(說(shuō)明SQL語(yǔ)句的語(yǔ)法):help statement
68. SQLSTATE幫助(說(shuō)明SQL的狀態(tài)和類別代碼):? sqlstate或? class-code
69.更改與"管理服務(wù)器"相關(guān)的口令:db2admin setid username password
70.使用操作系統(tǒng)命令:! dir
71.轉(zhuǎn)換數(shù)據(jù)類型(cast)
SELECT EMPNO, CAST(RESUME AS VARCHAR(370)) FROM EMP_RESUME WHERE RESUME_FORMAT = 'ascii'
72. UDF:要運(yùn)行DB2 Java存儲(chǔ)過(guò)程或UDF，還需要更新服務(wù)器上的DB2數(shù)據(jù)庫(kù)管理程序配置，以包括在該機(jī)器上安裝JDK的路徑db2 update dbm cfg using JDK11_PATH d:sqllibjavajdk
TERMINATE
update dbm cfg using SPM_NAME sample
31.重組檢查：db2 reorgchk
32.重組表tb1：db2 reorg table tb1
33.更新統(tǒng)計(jì)信息：db2 runstats on table tb1
34.備份數(shù)據(jù)庫(kù)test：db2 backup db test
35.恢復(fù)數(shù)據(jù)庫(kù)test：db2 restore db test
36.列出容器的信息：db2 list tablespace containers for tbs_id show detail
37.列出所有表：db2 list tables
38.建立別名create alias db2admin.tables for sysstat.tables;
CREATE ALIAS DB2ADMIN.VIEWS FOR SYSCAT.VIEWS
create alias db2admin.columns for syscat.columns;
create alias guest.columns for syscat.columns;
39.建立觸發(fā)器CREATE TRIGGER zjt_tables_del
AFTER DELETE ON zjt_tables
REFERENCING OLD AS O
FOR EACH ROW MODE DB2SQL
40.建立唯一性索引：CREATE UNIQUE INDEX I_ztables_tabname ON zjt_tables(tabname);
41.查看表：select tabname from tables where tabname='ZJT_TABLES';
42.查看列：select SUBSTR(COLNAME,1,20) as列名,TYPENAME as類型,LENGTH as長(zhǎng)度f(wàn)rom columns where tabname='ZJT_TABLES';
43.查看表結(jié)構(gòu)：db2 describe table user1.department；db2 describe select * from user.tables
44.查看表的索引：db2 describe indexes for table user1.department
45.查看視圖：select viewname from views where viewname='V_ZJT_TABLES';
46.查看索引：select indname from indexes where indname='I_ZTABLES_TABNAME';
47.查看存貯過(guò)程：SELECT SUBSTR(PROCSCHEMA,1,15),SUBSTR(PROCNAME,1,15) FROM SYSCAT.PROCEDURES;
48.類型轉(zhuǎn)換(cast)
ip datatype:varchar
select cast(ip as integer)+50 from log_comm_failed
49.重新連接：connect reset
50.中斷數(shù)據(jù)庫(kù)連接：disconnect db2_gcb
1.啟動(dòng)實(shí)例(db2inst1):db2start
2.停止實(shí)例(db2inst1):db2stop
3.列出所有實(shí)例(db2inst1)：db2ilist
4.列出當(dāng)前實(shí)例:db2 get instance
5.察看示例配置文件:db2 get dbm cfg|more
6.更新數(shù)據(jù)庫(kù)管理器參數(shù)信息:db2 update dbm cfg using para_name para_value
7.察看數(shù)據(jù)庫(kù)配置參數(shù)信息：db2 get db cfg for test|more
8.更新數(shù)據(jù)庫(kù)參數(shù)配置信息：db2 update db cfg for test using para_name para_value
9.刪除數(shù)據(jù)庫(kù):db2 drop db test
10.連接數(shù)據(jù)庫(kù)：db2 connect to test
11.列出所有表空間的詳細(xì)信息：db2 list tablespaces show detail
12.創(chuàng)建索引:db2 create index idx1 on tb1(id);
13.創(chuàng)建視圖:db2 create view view1 as select id from tb1
14.查詢視圖:db2 select * from view1
15.節(jié)點(diǎn)編目：db2 catalog tcp node node_name remote server_ip server server_port
16.察看端口號(hào)：db2 get dbm cfg|grep SVCENAME
17.測(cè)試節(jié)點(diǎn)的附接：db2 attach to node_name
18.察看本地節(jié)點(diǎn)：db2 list node direcotry
19.節(jié)點(diǎn)反編目：db2 uncatalog node node_name
20.數(shù)據(jù)庫(kù)編目：db2 catalog db db_name as db_alias at node node_name
21.察看數(shù)據(jù)庫(kù)的編目：db2 list db directory
22.連接數(shù)據(jù)庫(kù)：db2 connect to db_alias user user_name using user_password
23.數(shù)據(jù)庫(kù)反編目：db2 uncatalog db db_alias
24.導(dǎo)出數(shù)據(jù)：db2 export to myfile of ixf messages msg select * from tb1
25.導(dǎo)入數(shù)據(jù)：db2 import from myfile of ixf messages msg replace into tb1
26.導(dǎo)出數(shù)據(jù)庫(kù)的所有表數(shù)據(jù)：db2move test export
27.生成數(shù)據(jù)庫(kù)的定義：db2look -d db_alias -a -e -m -l -x -f -o db2look.sql
28.生成定義：db2 -tvf db2look.sql
29.加載腳本: db2 –td@ -vf filename，其中@為命令行的分隔符30.導(dǎo)入數(shù)據(jù)庫(kù)所有的數(shù)據(jù)：db2move db_alias import
創(chuàng)建數(shù)據(jù)庫(kù)在文件上創(chuàng)建數(shù)據(jù)庫(kù)：CREATE DATABASE das USING CODESET 'UTF-8' TERRITORY 'CN' CATALOG TABLESPACE MANAGED BY DATABASE USING (file 'd:\db2data\dascat.dat' 102400) EXTENTSIZE 16 PREFETCHSIZE 32 USER TABLESPACE MANAGED BY DATABASE USING (file 'd:\db2data\dasusr.dat' 102400) EXTENTSIZE 256 PREFETCHSIZE 64 TEMPORARY TABLESPACE MANAGED BY DATABASE USING (file 'd:\db2data\dastmp.dat' 102400) EXTENTSIZE 256 WITH "DAS DB"在裸設(shè)備上創(chuàng)建數(shù)據(jù)庫(kù)CREATE DATABASE das212 CATALOG TABLESPACE MANAGED BY DATABASE USING (device '/dev/db2dg/lv_dat01' 10240000) EXTENTSIZE 16 PREFETCHSIZE 32 USER TABLESPACE MANAGED BY DATABASE USING (device '/dev/db2dg/lv_dat02' 10240000) EXTENTSIZE 256 PREFETCHSIZE 64 TEMPORARY TABLESPACE MANAGED BY DATABASE USING (device '/dev/db2dg/lv_dat03' 10240000) EXTENTSIZE 256 WITH "DAS DB"
GRANT USE OF TABLESPACE exoatbs TO PUBLIC;
GRANT USE OF TABLESPACE exoatbs16k TO PUBLIC;
GRANT USE OF TABLESPACE exoatbs32k TO PUBLIC;創(chuàng)建系統(tǒng)表空間：CREATE TEMPORARY TABLESPACE exoasystmp IN DATABASE PARTITION GROUP IBMTEMPGROUP PAGESIZE 8K? MANAGED BY SYSTEM USING ('/home/exoa2/exoasystmp'?? ) EXTENTSIZE 32 PREFETCHSIZE 16 BUFFERPOOL IBMDEFAULT8K? OVERHEAD 24.10 TRANSFERRATE 0.90? DROPPED TABLE RECOVERY OFF;
CREATE TEMPORARY TABLESPACE exoasystmp16k IN DATABASE PARTITION GROUP IBMTEMPGROUP PAGESIZE 16K MANAGED BY SYSTEM USING ('/home/exoa2/exoasystmp16k'? ) EXTENTSIZE 32 PREFETCHSIZE 16 BUFFERPOOL IBMDEFAULT16K OVERHEAD 24.10 TRANSFERRATE 0.90? DROPPED TABLE RECOVERY OFF;
CREATE TEMPORARY TABLESPACE exoasystmp32k IN DATABASE PARTITION GROUP IBMTEMPGROUP PAGESIZE 32K MANAGED BY SYSTEM USING ('/home/exoa2/exoasystmp32k') EXTENTSIZE 32 PREFETCHSIZE 16 BUFFERPOOL IBMDEFAULT32K OVERHEAD 24.10 TRANSFERRATE 0.90? DROPPED TABLE RECOVERY OFF;
創(chuàng)建緩沖池(8K)：create bufferpool ibmdefault8k IMMEDIATE? SIZE 5000 PAGESIZE 8 K ;創(chuàng)建緩沖池(16K)(OA_DIVERTASKRECORD)：create bufferpool ibmdefault16k IMMEDIATE? SIZE 5000 PAGESIZE 16 K ;創(chuàng)建緩沖池(32K)(OA_TASK)：create bufferpool ibmdefault32k IMMEDIATE? SIZE 5000 PAGESIZE 32 K ;創(chuàng)建表空間：CREATE TABLESPACE exoatbs IN DATABASE PARTITION GROUP IBMDEFAULTGROUP PAGESIZE 8K MANAGED BY SYSTEM USING ('/home/exoa2/exoacontainer') EXTENTSIZE 32 PREFETCHSIZE 16? BUFFERPOOL IBMDEFAULT8K? OVERHEAD 24.10 TRANSFERRATE 0.90? DROPPED TABLE RECOVERY OFF;
CREATE TABLESPACE exoatbs16k? IN DATABASE PARTITION GROUP IBMDEFAULTGROUP PAGESIZE 16K MANAGED BY SYSTEM USING ('/home/exoa2/exoacontainer16k'?? ) EXTENTSIZE 32? PREFETCHSIZE 16? BUFFERPOOL IBMDEFAULT16K? OVERHEAD 24.1 TRANSFERRATE 0.90? DROPPED TABLE RECOVERY OFF;
CREATE TABLESPACE exoatbs32k? IN DATABASE PARTITION GROUP IBMDEFAULTGROUP PAGESIZE 32K MANAGED BY SYSTEM USING ('/home/exoa2/exoacontainer32k'?? ) EXTENTSIZE 32? PREFETCHSIZE 16? BUFFERPOOL IBMDEFAULT32K? OVERHEAD 24.1 TRANSFERRATE 0.90? DROPPED TABLE RECOVERY OFF;
說(shuō)明：在不相關(guān)的數(shù)據(jù)表export數(shù)據(jù)時(shí)，可以采取并發(fā)的形式，以提高效率；TABLENAME指待清理table的名稱；modified by delprioritychar防止數(shù)據(jù)庫(kù)記錄中存在換行符,導(dǎo)致數(shù)據(jù)無(wú)法裝入的情況;
replace into對(duì)現(xiàn)數(shù)據(jù)庫(kù)中的內(nèi)容進(jìn)行替換，即將現(xiàn)行的數(shù)據(jù)記錄清理，替換為數(shù)據(jù)文件內(nèi)容；nonrecoverable無(wú)日志方式裝入；connect to [數(shù)據(jù)庫(kù)名] user [操作用戶名] using [密碼]
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2010-06-20 14:44
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