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手动安装达梦8示例数据

岁月不饶人老不正经 2022-03-11 阅读 62
dm8数据库

达梦数据库内置了2个示例帐户:DMHR和BOOKSHOP,在安装过程是可选的。如果安装过程未选择,数据库安装完成后可进行手动安装,步骤如下:

1.脚本文件

安装脚本位于DM_HOME/samples/instance_script下,有gbk和utf8两个版本:

[root@dmdb01 instance_script]# pwd
/dm8/samples/instance_script
[root@dmdb01 instance_script]# tree -f
.
├── ./bookshop
├── ./bookshop/GBK
├── ./bookshop/GBK/CREATESCHEMA.sql
├── ./bookshop/GBK/CREATETABLE.sql
└── ./bookshop/GBK/INSERTSQL.sql
└── ./bookshop/UTF-8
├── ./bookshop/UTF-8/CREATESCHEMA.sql
├── ./bookshop/UTF-8/CREATETABLE.sql
└── ./bookshop/UTF-8/INSERTSQL.sql
└── ./dmhr
├── ./dmhr/GBK
├── ./dmhr/GBK/CITY.sql
├── ./dmhr/GBK/CREATESCHEMA.sql
├── ./dmhr/GBK/DEPARTMENT.sql
├── ./dmhr/GBK/EMPLOYEE.sql
├── ./dmhr/GBK/JOB_HISTORY.sql
├── ./dmhr/GBK/JOB.sql
├── ./dmhr/GBK/LOCATION.sql
└── ./dmhr/GBK/REGION.sql
└── ./dmhr/UTF-8
├── ./dmhr/UTF-8/CITY.sql
├── ./dmhr/UTF-8/CREATESCHEMA.sql
├── ./dmhr/UTF-8/DEPARTMENT.sql
├── ./dmhr/UTF-8/EMPLOYEE.sql
├── ./dmhr/UTF-8/JOB_HISTORY.sql
├── ./dmhr/UTF-8/JOB.sql
├── ./dmhr/UTF-8/LOCATION.sql
└── ./dmhr/UTF-8/REGION.sql

6 directories, 22 files

2.执行脚本

$ disql sysdba/Dameng123@localhost:5236
SQL>start 脚本名

由于存在外键依赖,脚本执行时需要注意顺序。

bookshop执行顺序:

CREATESCHEMA.sql--> CREATETABLE.sql -->INSERTSQL.sql

dmhr执行顺序:

dmhr表之间依赖较多,需要按以下顺序分别执行

Region-->city-->location-->department-->job-->job_history

ER图:

手动安装达梦8示例数据_dm8

​3.问题

检查最终的owner使用的表空间会发现dmhr使用了默认的main表空间(如下图),原因在于dmhr是schema名称,脚本中没有明确的指定存储参数,建议官方在后续版本改进此问题。

手动安装达梦8示例数据_dm8_02

解决办法:

方法1:   

将dmhr中创建schema部分改为创建user:
#######原脚本内容#####
--创建模式
CREATE SCHEMA DMHR;
/
####################

#######修改后内容#####
create user DMHR identified by ‘dmhr’ default tablespace dmtbs;

方法2:  ​  
修改脚本所有脚本的默认存储参数

原始SQL:
CREATE TABLE
"DMHR"."CITY"
(
"CITY_ID" CHAR(3) NOT NULL,
"CITY_NAME" VARCHAR(40) NULL,
"REGION_ID" INT NULL
);

修改为:
CREATE TABLE
"DMHR"."CITY"
(
"CITY_ID" CHAR(3) NOT NULL,
"CITY_NAME" VARCHAR(40) NULL,
"REGION_ID" INT NULL
) STORAGE (on DMTBS); <<<<<<增加STORAGE (on DMTBS)参数




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