DB2基础命令
列出所有实例
[db2inst1@dcm ~]$ db2ilist
db2inst1
列出当前实例下的所有数据库
[db2inst1@dcm ~]$ db2 list db directory
System Database Directory
Number of entries in the directory = 1
Database 1 entry:
Database alias = SAMPLE
Database name = SAMPLE
Local database directory = /home/db2inst1
Database release level = d.00
Comment =
Directory entry type = Indirect
Catalog database partition number = 0
Alternate server hostname =
Alternate server port number =
启动实例
[db2inst1@dcm ~]$ db2start
07/09/2010 14:24:36 0 0 SQL1063N DB2START processing was successful.
SQL1063N DB2START processing was successful.
连接到数据库
[db2inst1@dcm ~]$ db2 connect to sample
Database Connection Information
Database server = DB2/LINUX 9.7.1
SQL authorization ID = DB2INST1
Local database alias = SAMPLE
执行SQL
[db2inst1@dcm ~]$ db2
db2 => select * from staff where dept=20
ID NAME DEPT JOB YEARS SALARY COMM
------ --------- ------ ----- ------ --------- ---------
10 Sanders 20 Mgr 7 98357.50 -
20 Pernal 20 Sales 8 78171.25 612.45
80 James 20 Clerk - 43504.60 128.20
190 Sneider 20 Clerk 8 34252.75 126.50
4 record(s) selected.
退出
db2 => quit
DB20000I The QUIT command completed successfully.
断开连接（不断开就不能db2stop）
[db2inst1@dcm ~]$ db2 connect reset
DB20000I The SQL command completed successfully.
关闭实例
[db2inst1@dcm ~]$ db2stop
07/09/2010 14:29:32 0 0 SQL1064N DB2STOP processing was successful.
SQL1064N DB2STOP processing was successful.