I tested freecdb in UBuntu.
sudo apt-get install freecdb
To create a database file (native) :
cdbmake <db file name> <temporary file name> < <record file name>
* remember to have the record file to have a new line at the end of the file to indicate end of record.
<record file name> format :
+<key length>,<value length>:<key>-><value>
Test the database :
cdbtest < <database file name>
To dump database :
cdbdump < <database file name>
To get a record :
echo `cdbget <key> < <database file name>`
To print out database statistic
cdbstats < test.cdb
For more details on cdb : http://cr.yp.to/cdb.html
This database is good for simple database design, and data is populated during creation. As its name represent, the database should be static after creation, and used for data retrieval purpose. Thus, you don't see any update/insert/delete command in cdb.