This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
I need a string because if I used Integer or Long in the java code, its max value is far less that the corresponding PK column which is Number(38) in the database. And it will give me Numeric Overflow exception.