Q20 Which two are true about data type conversions involving these columns in query expressions?
Q20 The INVOICE table has a QTY_SOLD column of data type NUMBER and an INVOICE_DATE column of data type DATE.
NLS_DATE_FORMAT is set to DD-MON-RR.
Which two are true about data type conversions involving these columns in query expressions? (Choose two.)
- (A). CONCAT (qty_sold, invoice_date) : requires explicit conversion
- (B). invoice_date = ’15-march-2019′ : uses implicit conversion
- (C). invoie_date > ’01-02-2019′ : uses implicit conversion
- (D). qty_sold BETWEEN ‘101’ AND ‘110’ : uses implicit conversion
- (E). qty_sold = ‘0554982’: requires explicit conversion
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