第19题: [单项选择]Oracle目前可以存储极大的对象,这是因为它引入了4种新数据类型,其中一种大对象数据类型在数据库中只存储它的目录名,它是: A. CLOB B. BLOB C. BFILE D. NCLOB 参考答案:C 答案解析:[命题目的] 考查Oracle的数据类型。
[解题要点] Oracel目前可以存储极大的对象,例如视频、音频和文档文本。为此引入了新的数据类型,包括:①BLOB:二进制数据型大对象;②CLOB:字符
第31题: [单项选择]Questions 11 to 18 are based on the conversation you have just heard. A. She thinks it’s too far from her home. B. She likes new working environment. C. She doesn’t like the company she is working with. D. She wants to save money for a journey. 参考答案:A 答案解析:[听力原文] M: Then why did you apply for this job W: That’s because of the journey. It takes me a