传包：
[root@localhost opt]# pwd
/opt
[root@localhost opt]# ls -l unixODBC-2.3.0.tar.gz
-rw-r--r-- 1 root root 1804749 10月 19 2022 unixODBC-2.3.0.tar.gz
[root@localhost opt]#
解压：
[root@localhost opt]# tar -zxvf unixODBC-2.3.0.tar.gz
unixODBC-2.3.0/
unixODBC-2.3.0/ini/
unixODBC-2.3.0/ini/iniPropertyUpdate.c
unixODBC-2.3.0/ini/iniProperty.c
unixODBC-2.3.0/ini/iniOpen.c
unixODBC-2.3.0/ini/iniCommit.c
unixODBC-2.3.0/ini/iniPropertySeekSure.c
unixODBC-2.3.0/ini/iniValue.c
......
源码安装三部曲（配置、编译、安装）
注：configure 时可以使用--prefix 参数指定安装路径，不指定使用默认安装路径/usr/local
[root@localhost opt]# cd unixODBC-2.3.0/
[root@localhost unixODBC-2.3.0]# ./configure
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... /usr/bin/mkdir -p
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking for gawk... (cached) gawk
checking for bison... no
checking for byacc... no
checking for style of include used by make... GNU
checking for gcc... gcc
......
make && make install
输出省......
[root@localhost unixODBC-2.3.0]# odbcinst help
odbcinst: Invalid Object
**********************************************
* unixODBC - odbcinst *
**********************************************
* *
* Purpose: *
* *
* An ODBC Installer and Uninstaller. *
* Updates system files, and *
* increases/decreases usage counts but *
* does not actually copy or remove any *
* files. *
* *
* Syntax: *
* *
* odbcinst Action Object Options *
* *
* Action: *
* *
* -i install *
* -u uninstall *
* -q query *
* -j print config info *
* -c call SQLCreateDataSource *
* -m call SQLManageDataSources *
* --version version *
* *
* Object: *
* *
* -d driver *
* -s data source *
* *
* Options: *
* *
* -f file name of template.ini follows *
* this (valid for -i) *
* -r get template.ini from stdin, not *
* a template file *
* -n Driver or Data Source Name follows *
* -v turn verbose off (no info, warning *
* or error msgs) *
* -l system dsn *
* -h user dsn *
* *
* Returns: *
* *
* 0 Success *
* !0 Failed *
* *
* Please visit; *
* *
* http://www.unixodbc.org *
**********************************************
[root@localhost 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
[root@localhost unixODBC-2.3.0]# cd /usr/local/etc/
[root@localhost etc]# ls -l
总用量 0
drwxr-xr-x 2 root root 6 10月 19 11:44 ODBCDataSources
-rw-r--r-- 1 root root 0 10月 19 11:44 odbc.ini
-rw-r--r-- 1 root root 0 10月 19 11:44 odbcinst.ini
注意这个目录：
[root@localhost bin]# pwd
/opt/dmdbms/dmdata/bin
[root@localhost bin]# ls -l libdodbc.so
-rwxr-xr-x 1 dmdba dinstall 194134 9月 20 11:10 libdodbc.so
[root@localhost etc]# cat odbcinst.ini
[DM8 ODBC DRIVER] ---注意这个名字
Description = ODBC DRIVER FOR DM8
Driver = /opt/dmdbms/dmdata/bin/libdodbc.so
注意根据情况填写，不要复制粘贴：
[root@localhost etc]# cat odbc.ini
[DM8] ---注意这个名字
Description = DM ODBC DSN
Driver = DM8 ODBC DRIVER
SERVER = localhost
UID = SYSDBA
PWD = SYSDBA
TCP_PORT = 15236
测试：
[dmdba@localhost ~]$ disql SYSDBA/SYSDBA@localhost:15236
服务器[localhost:15236]:处于普通打开状态
登录使用时间 : 32.697(ms)
disql V8
SQL> select count(*) from test;
行号 COUNT(*)
---------- --------------------
1 857
已用时间: 159.131(毫秒). 执行号:1600.
[root@localhost etc]# su - dmdba
上一次登录： 三 10月 19 10:31:14 CST 2022 pts/0 上
[dmdba@localhost ~]$ isql dm8 -v
+---------------------------------------+
| Connected! |
| |
| sql-statement |
| help [tablename] |
| quit |
| |
+---------------------------------------+
SQL> select count(*) from test;
+---------------------+
| COUNT(*) |
+---------------------+
| 857 |
+---------------------+
SQLRowCount returns 1
1 rows fetched
至此配置结束。
root 执行会报错，是因为 root 没有配置 LD_LIBRARY_PATH 环境变量。
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