DB2 创建

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实例：
WINDOWS:         db2icrt <instance_name>
LINUX/UNIX:      db2icrt -u <fenced_user_id> <instance_name>
 
升级：
WINDOWS:         默认升级
Linux / Unix:          db2imigr <instance_name>
 
补丁升级：
db2iupdt <instance_name>
 
数据库：
db2 create database <db name> on <path>
说明：如果添加参数restrictive，则数据库只对创建者开放。对PUBLIC不授予任何权利。

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