連接數據庫：
connect to [數據庫名] user [操作用戶名] using [密碼]
創建緩沖池(8K)：
create bufferpool ibmdefault8k IMMEDIATE SIZE 5000 PAGESIZE 8 K ;
創建緩沖池(16K)(OA_DIVERTASKRECORD)：
create bufferpool ibmdefault16k IMMEDIATE SIZE 5000 PAGESIZE 16 K ;
創建緩沖池(32K)(OA_TASK)：
create bufferpool ibmdefault32k IMMEDIATE SIZE 5000 PAGESIZE 32 K ;
創建表空間：
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;
GRANT USE OF TABLESPACE exoatbs TO PUBLIC;
GRANT USE OF TABLESPACE exoatbs16k TO PUBLIC;
GRANT USE OF TABLESPACE exoatbs32k TO PUBLIC;
創建系統表空間：
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;
1. 啟動實例(db2inst1):
db2start
2. 停止實例(db2inst1):
db2stop
3. 列出所有實例(db2inst1)
db2ilist
5.列出當前實例:
db2 get instance
4. 察看示例配置文件:
db2 get dbm cfg|more
5. 更新數據庫管理器參數信息:
db2 update dbm cfg using para_name para_value
6. 創建數據庫:
db2 create db test
7. 察看數據庫配置參數信息
db2 get db cfg for test|more
8. 更新數據庫參數配置信息
db2 update db cfg for test using para_name para_value
10.刪除數據庫:
db2 drop db test
11.連接數據庫
db2 connect to test
12.列出所有表空間的詳細信息。
db2 list tablespaces show detail
13.查詢數據:
db2 select * from tb1
14.刪除數據:
db2 delete from tb1 where id=1
15.創建索引:
db2 create index idx1 on tb1(id);
16.創建視圖:
db2 create view view1 as select id from tb1
17.查詢視圖:
db2 select * from view1
18.節點編目
db2 catalog tcp node node_name remote server_ip server server_port
19.察看端口號
db2 get dbm cfg|grep SVCENAME
20.測試節點的附接
db2 attach to node_name
21.察看本地節點
db2 list node direcotry directory
22.節點反編目
db2 uncatalog node node_name
23.數據庫編目
db2 catalog db db_name as db_alias at node node_name
24.察看數據庫的編目
db2 list db directory
25.連接數據庫
db2 connect to db_alias user user_name using user_password
26.數據庫反編目
db2 uncatalog db db_alias
27.導出數據
db2 export to myfile of ixf messages msg select * from tb1
28.導入數據
db2 import from myfile of ixf messages msg replace into tb1
29.導出數據庫的所有表數據
db2move test export //遠程鏈接的 db2move test export -u username -p password
30.生成數據庫的定義
db2look -d db_alias -a -e -m -l -x -f -o db2look.sql
//遠程鏈接的 db2look -d db_alias -a -e -m -l -x -f -o db2look.sql -i username -w password
31.創建數據庫
db2 create db test1
32.生成定義
db2 -tvf db2look.sql
33.導入數據庫所有的數據
db2move db_alias import
34.重組檢查
db2 reorgchk
35.重組表tb1
db2 reorg table tb1
36.更新統計信息
db2 runstats on table tb1
37.備份數據庫test
db2 backup db test
38.恢復數據庫test
db2 restore db test
399.列出容器的信息
db2 list tablespace containers for tbs_id show detail
40.創建表:
db2 ceate table tb1(id integer not null,name char(10))
41.列出所有表
db2 list tables
42.插入數據:
db2 insert into tb1 values(1,’sam’);
db2 insert into tb2 values(2,’smitty’);
. 建立數據庫DB2_GCB
CREATE DATABASE DB2_GCB ON G: ALIAS DB2_GCB
USING CODESET GBK TERRITORY CN COLLATE USING SYSTEM DFT_EXTENT_SZ 32
2. 連接數據庫
connect to sample1 user db2admin using 8301206
3. 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;
4. 建立表
create table zjt_tables as
(select * from tables) definition only;
create table zjt_views as
(select * from views) definition only;
5. 插入記錄
insert into zjt_tables select * from tables;
insert into zjt_views select * from views;
6. 建立視圖
create view V_zjt_tables as select tabschema,tabname from zjt_tables;
7. 建立觸發器
CREATE TRIGGER zjt_tables_del
AFTER DELETE ON zjt_tables
REFERENCING OLD AS O
FOR EACH ROW MODE DB2SQL
Insert into zjt_tables1 values(substr(o.tabschema,1,8),substr(o.tabname,1,10))
8. 建立唯一性索引
CREATE UNIQUE INDEX I_ztables_tabname
[size=3]ON zjt_tables(tabname);
9. 查看表
select tabname from tables
where tabname=ZJT_TABLES;
10. 查看列
select SUBSTR(COLNAME,1,20) as 列名,TYPENAME as 類型,LENGTH as 長度
from columns
where tabname=ZJT_TABLES;
11. 查看表結構
db2 describe table user1.department
db2 describe select * from user.tables
12. 查看表的索引
db2 describe indexes for table user1.department
13. 查看視圖
select viewname from views
where viewname=V_ZJT_TABLES;
14. 查看索引
select indname from indexes
where indname=I_ZTABLES_TABNAME;
15. 查看存貯過程
SELECT SUBSTR(PROCSCHEMA,1,15),SUBSTR(PROCNAME,1,15)
FROM SYSCAT.PROCEDURES;
16. 類型轉換(cast)
ip datatype:varchar
select cast(ip as integer)+50 from log_comm_failed
17. 重新連接
connect reset
18. 中斷數據庫連接
disconnect db2_gcb
19. view application
LIST APPLICATION;
20. kill application
FORCE APPLICATION(0);
db2 force applications all (強迫所有應用程序從數據庫斷開)
21. lock table
lock table test in exclusive mode
22. 共享
lock table test in share mode
23. 顯示當前用戶所有表
list tables
24. 列出所有的系統表
list tables for system
25. 顯示當前活動數據庫
