slahy,
To respond to your homework thread, I need to know more about the database, that includes the tables and their relationship. Meaning information in the horses table, how many races per day and the date or calendar table.

Also, another question, are you familiar with APEX and what is the name of your class? This will assist me in how much or detail of information to give.

Hope this helps.

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Disclaimer: The above comments are solely the opinion of one person and not to be construed as a directive or an incentive to commit fraudulent acts.