Answer the following statements true (T) or false (F)

1) In Oracle, character values are enclosed in single quotation marks, but date and
number values are not.
2) In Oracle9i, the default display format for date is DD-MM-YYYY.
3) A null value is not defined or not known.
4) The UPDATE statement without the WHERE clause can update all rows in the
table.
5) A column alias is enclosed in double quotation marks to display a column name inuppercase only.

1) F
2) F
3) T
4) T
5) F