Oracle中，将char或varchar数据类型转换为date数据类型的函数是？（） A: date B: to_date C: todate D: ctodate

Oracle中，下面什么函数将char或varchar数据类型转换为date数据类型？（） A: date B: to_date C: ctodate D: todate

For which two actions can you use the TO_DATE function? （） A: Aconvert any date literal to a date B: Bconvert any numeric literal to a date C: Cconvert any date to a character literal D: Dformat 'January 10 1999' for input E: Eformat '10-JAN-99' to 'January 10 1999'

常见的数据类型转换函数是？（） A: to_number B: to_date C: to_char D: 以上都不对

The custom _______ the Middle Ages. A: date on B: date about C: date from D: date in

查询十天前的记录应使用( )作为准则。 A: Between Date() And Date()-10 B: ＜Date()-10 C: ＞Date()-10 D: Between Date()-10 And Date()

In appraisals, the effective date of value is ( ). A: The date of the property inspection B: The date agreed in advance with the client C: The date the appraisal is completed D: The date the appraisal is signed

查询最后30天的记录应使用（ ）作为准则。 A: Between Date() and Date()-30 B: <=Date()-30 C: <Date()-30 D: Between Date()-30 and Date()

Congratulations! This is the best book you have written __________. A: up to date B: out of date C: to date D: as date

转换日期类型为字符串的转换函数是（） A: to_date B: to_datetime C: to_char D: to_number