Not setting the language to match the national language character set of the database to which you are connecting will cause parameter and column bindings to send or receive data in your primary database character set , not the national character set 如果設(shè)置的語言與所連接的數(shù)據(jù)庫的國家語言字符集不匹配,將使參數(shù)和列綁定使用主要數(shù)據(jù)庫字符集發(fā)送或接收數(shù)據(jù),而不是使用國家字符集。