1、显示当前实例

>> get instance

The current database manager instance is:  db2axing

2、列出当前实例中激活的数据库

>> list active databases

        Active Databases
Database name =LAISDB
Applications connected currently = 529
Database path =/db2/laisdb/db2axing/NODE0000/SQL00001/MEMBER0000/ Database name =WEBUAT
Applications connected currently = 2
Database path =/db2/laisdb/db2axing/NODE0000/SQL00001/MEMBER0000/

3、连接数据库

>> connect to db2axing

        Database Connection Information

    Database server        = DB2/AIX64  10.5.8
SQL authorization ID = WEBUAT
Local database alias = WEBUAT

4、查看数据库中所有的表

>> list tables

Table/View                      Schema          Type  Creation time
------------------------------- --------------- ----- --------------------------
ACT DB2INST1 T 2012-01-17-09.38.24.314033
ADEFUSR DB2INST1 S 2012-01-17-09.38.30.953823
CATALOG DB2INST1 T 2012-01-17-09.38.45.758734
CL_SCHED DB2INST1 T 2012-01-17-09.38.17.264534
CUSTOMER DB2INST1 T 2012-01-17-09.38.42.650735
DEPARTMENT DB2INST1 T 2012-01-17-09.38.17.922386
DEPT DB2INST1 A 2012-01-17-09.38.19.113115
EMP DB2INST1 A 2012-01-17-09.38.20.001560
EMPACT DB2INST1 A 2012-01-17-09.38.24.312415
EMPLOYEE DB2INST1 T 2012-01-17-09.38.19.114152
EMPLOYEES DB2INST1 T 2012-01-31-12.29.59.242048
EMPLOYEESBCK DB2INST1 T 2012-01-31-12.30.01.379628
-------------------

5、db2信息查询命令

>> db2 list tables             #列出所有表名
>> db2 describe table 表名         #显示表字段 
>> db2 list db directory #列出该用户创建的所有数据库名
>> db2 list tablespaces show detail #查看当前数据库表空间分配状况
>> db2 list application
>> db2 list db directory 列出所有数据库
>> db2 list active databases 列出所有活动的数据库
>> db2 list tables for all 列出当前数据库下所有的表
>> db2 list tables for schema btp 列出当前数据库中schema为btp的表
>> db2 list tablespaces show detail 显示数据库空间使用情况
>> db2 list packages for all

显示当前的实例

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[db2inst1@localhost ~]$ db2 get instance
 
 The current database manager instance is:  db2inst1
05-26 12:23