DB2入门操作之二

查看db2版本
db2 => select * from sysibm.sysversions

列出所有实例
[db2inst1@xifenfei ~]$ db2ilist
db2inst1

列出当前实例
[db2inst1@xifenfei ~]$ db2 get instance

 The current database manager instance is:  db2inst1

察看示例配置文件
[db2inst1@xifenfei ~]$ db2 get dbm cfg|more

察看数据库配置参数信息
[db2inst1@xifenfei ~]$ db2 get db cfg for TOOLSDB|more


列出所有表空间的详细信息
[db2inst1@xifenfei ~]$ db2 list tablespaces show detail|more

连接数据库
[db2inst1@xifenfei ~]$ db2 connect to TOOLSDB

   Database Connection Information

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

sql操作数据库
[db2inst1@xifenfei ~]$ db2 "select * from t_xff"

查看端口号
[db2inst1@xifenfei ~]$ db2 get dbm cfg|grep SVCENAME

查看表结构
[db2inst1@xifenfei ~]$ db2 describe table t_xifenfei

查看某个表索引
[db2inst1@xifenfei ~]$ db2 describe indexes for table t_xff

显示当前活动数据库
[db2inst1@xifenfei ~]$ db2 list active databases

列出所有的系统表
[db2inst1@xifenfei ~]$ db2 list tables for system

列出表空间
[db2inst1@xifenfei ~]$ db2 list tablespaces


显示用户数据库的存取权限
[db2inst1@xifenfei ~]$ db2 GET AUTHORIZATIONS

检查 DB2 数据库管理程序配置
[db2inst1@xifenfei ~]$ db2 get dbm cfg