choose two
The ORDERS table has a column ORDER_DATE of date type DATE
The default display format for a date is DD-MON-RR
Which two WHERE conditions demonstrate the correct usage of conversion functions?
A) WHERE ordet_date > TO_CRAR(ADD_MONTHS(SYSDATE, 6), "MON DD YYYY")
B) WHERE TO_CHAR(order_date, "MON DD YYYY") = "JAN 20 2019"
C ) WHERE order_date > TO_DATE("JUL 10 2018", "MON DD YYYY")
D) WHERE order_date IN (TO_DATE ("Oct 21 2018", "MON DD YYYY"), TO_CHAR("Nov 21 2018","MON DD YYYY"))
E) WHERE order_date > TO_DATE(ADD_MONTHS(SYSDATE,6),"MON DD YYYY")
Answer:BC
(解析:日期型转换的时候要注意元素格式。)