Linux下DB2指令总结

Posted 2021-02-07 jasonzh

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

1 2 3

[[email protected] ~]$ db2 get instance    The current database manager instance is:  db2inst1