Hibernate / Hibernate Interview Questions III
Explain Formula annotation in Hibernate.
@Formula annotation is used to calculate a given entity attribute using an SQL query expression. It defines a formula (derived value) which is a SQL fragment that acts as a @Column alternative in most cases. It represents read-only state.
In the example, area property value is calculated using the length and the width properties.
Dogecoin! Earn free bitcoins up to $250 now by signing up.
Earn bitcoins upto $250 (free), invest in other Cryptocurrencies when you signup with blockfi. Use the referral link: Signup now and earn!
Using BlockFi, don't just buy crypto - start earning on it. Open an interest account with up to 8.6% APY, trade currencies, or borrow money without selling your assets.
Invest now!!! Get Free equity stock (US, UK only)!
Use Robinhood app to invest in stocks. It is safe and secure. Use the Referral link to claim your free stock when you sign up!.
The Robinhood app makes it easy to trade stocks, crypto and more.
More Related questions...