1.something inverted in sequence or character or effect;
when the direct approach failed he tried the inverse
2.reversed (turned backward) in order or nature or effect
3.opposite in nature or effect or relation to another quantity ;
a term is in inverse proportion to another term if it increases (or decreases) as the other decreases (or increases)
Hibernate中的inverse在表關(guān)系映射中經(jīng)常應(yīng)用, inverse的值有兩種,“true”和“false”。inverse="false"是默認(rèn)的值,如果設(shè)置為true 則表示對象的狀態(tài)變化不會同步到數(shù)據(jù)庫 ;設(shè)置成false則相反; inverse的作用:在hibernate中是通過inverse的設(shè)置來決定是有誰來維護(hù)表和表之間的關(guān)系的。 我們說inverse設(shè)立不當(dāng)會導(dǎo)致性能低下,其實是說inverse設(shè)立不當(dāng),會產(chǎn)生多余重復(fù)的SQL語句甚至致使JDBC exception的throw。這