If you downloaded and extracted the zip file into C:\TEMP

1. Download "scott-tiger.txt" and scott-tiger-Enhanced.txt into C:\TEMP\WDB1\WDB

2. cd C:\TEMP\WDB1\WDB

3. On Windows (even with cygwin)

java -cp "lib\je.jar;." wdb.WDB

On Unix or Linux

java -cp "lib/je.jar:." wdb.WDB

4. source "scott-tiger.txt";

or

source "scott-tiger-Enhanced.txt";

5. Execute some queries from the "Sample Queries" links on the main class website.

6. To reset the database, remove all .jdb files (i.e., rm *.jdb).