DB2入门操作之一

1.DB2启动关闭

--关闭db2
[db2inst1@xifenfei ~]$ db2stop
03/28/2012 09:23:39     0   0   SQL1064N  DB2STOP processing was successful.
SQL1064N  DB2STOP processing was successful.

--开启db2
[db2inst1@xifenfei ~]$ db2start
03/28/2012 09:23:55     0   0   SQL1063N  DB2START processing was successful.
SQL1063N  DB2START processing was successful.

2.查看DB2数据库

[db2inst1@xifenfei ~]$ db2 list db directory

 System Database Directory

 Number of entries in the directory = 1

Database 1 entry:

 Database alias                       = TOOLSDB
 Database name                        = TOOLSDB
 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         =

3.连接DB2数据库

[db2inst1@xifenfei ~]$ db2
(c) Copyright IBM Corporation 1993,2007
Command Line Processor for DB2 Client 9.7.4

You can issue database manager commands and SQL statements from the command 
prompt. For example:
    db2 => connect to sample
    db2 => bind sample.bnd

For general help, type: ?.
For command help, type: ? command, where command can be
the first few keywords of a database manager command. For example:
 ? CATALOG DATABASE for help on the CATALOG DATABASE command
 ? CATALOG          for help on all of the CATALOG commands.

To exit db2 interactive mode, type QUIT at the command prompt. Outside 
interactive mode, all commands must be prefixed with 'db2'.
To list the current command option settings, type LIST COMMAND OPTIONS.

For more detailed help, refer to the Online Reference Manual.

db2 => connect to TOOLSDB

   Database Connection Information

 Database server        = DB2/LINUX 9.7.4
 SQL authorization ID   = DB2INST1
 Local database alias   = TOOLSDB

4.查看数据库中包含包

db2 => list tables

Table/View                      Schema          Type  Creation time             
------------------------------- --------------- ----- --------------------------

  0 record(s) selected.

db2 => create table t_xff (id int,name varchar(100))
DB20000I  The SQL command completed successfully.
db2 => list tables

Table/View                      Schema          Type  Creation time             
------------------------------- --------------- ----- --------------------------
T_XFF                           DB2INST1        T     2012-03-28-09.29.54.572395

  1 record(s) selected.

5.常见DML操作

db2 =>  insert into t_xff values(1,'xifenfei')
DB20000I  The SQL command completed successfully.
db2 => insert into t_xff values(2,'www.xifenfei')
DB20000I  The SQL command completed successfully.
db2 => select * from t_xff 

ID          NAME                
----------- ---------------------------------------
          1 xifenfei           
          2 www.xifenfei       

  2 record(s) selected.

db2 => delete from t_xff where id=1
DB20000I  The SQL command completed successfully.
db2 => select * from t_xff

ID          NAME                                        
----------- -----------------------------------------
          2 www.xifenfei                             

  1 record(s) selected.

db2 => quit
DB20000I  The QUIT command completed successfully.