达梦配置ODBC连接

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基础环境
操作系统：Red Hat Enterprise Linux Server release 7.9 (Maipo)
数据库版本：DM Database Server 64 V8
架构：单实例

1 下载ODBC包

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下载网址：https://www.unixodbc.org/
unixODBC-2.3.0.tar.gz

2 编译并安装ODBC

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--解压
tar -zxvf unixODBC-2.3.0.tar.gz

--设置
[root@test2 opt]# cd unixODBC-2.3.0/
[root@test2 unixODBC-2.3.0]# ./configure --enable-gui=no

--编译、安装
[root@test2 unixODBC-2.3.0]# make && make install

--确认
[root@test2 unixODBC-2.3.0]# odbc_config --version
2.3.0
[root@test2 unixODBC-2.3.0]# odbcinst -j
unixODBC 2.3.0
DRIVERS............: /usr/local/etc/odbcinst.ini
SYSTEM DATA SOURCES: /usr/local/etc/odbc.ini
FILE DATA SOURCES..: /usr/local/etc/ODBCDataSources
USER DATA SOURCES..: /root/.odbc.ini
SQLULEN Size.......: 8
SQLLEN Size........: 8
SQLSETPOSIROW Size.: 8

3 配置/usr/local/etc/odbc.ini

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vi /usr/local/etc/odbc.ini

[TEST]
description=ODBC DM8 DSND
driver=ODBC DM8 DRIVER
server=192.168.10.231
uid=sysdba
pwd=Dameng123
tcp_port=5237

[PROD]
description=ODBC DM8 DSND
driver=ODBC DM8 DRIVER
server=192.168.10.232
uid=sysdba
pwd=Dameng123
tcp_port=5238

4 配置/usr/local/etc/odbcinst.ini

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vi /usr/local/etc/odbcinst.ini
[ODBC DM8 DRIVER]
description=driver for dm8
driver=/dm8/bin/libdodbc.so

5 连接测试

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[dmdba@test1 ~]$  isql TEST
+---------------------------------------+
| Connected!                            |
|                                       |
| sql-statement                         |
| help [tablename]                      |
| quit                                  |
|                                       |
+---------------------------------------+
SQL> select instance_name from v$instance;
+---------------------------------------------------------------------------------------------------------------------------------+
| INSTANCE_NAME                                                                                                                   |
+---------------------------------------------------------------------------------------------------------------------------------+
| TEST                                                                                                                            |
+---------------------------------------------------------------------------------------------------------------------------------+
SQLRowCount returns 1
1 rows fetched
SQL> 
[dmdba@test1 ~]$ isql PROD
+---------------------------------------+
| Connected!                            |
|                                       |
| sql-statement                         |
| help [tablename]                      |
| quit                                  |
|                                       |
+---------------------------------------+
SQL> select instance_name from v$instance;
+---------------------------------------------------------------------------------------------------------------------------------+
| INSTANCE_NAME                                                                                                                   |
+---------------------------------------------------------------------------------------------------------------------------------+
| PROD                                                                                                                            |
+---------------------------------------------------------------------------------------------------------------------------------+
SQLRowCount returns 1
1 rows fetched
SQL>

谨记：心存敬畏，行有所止。