Which of the following statements would add a column job of type varchar 2 and size 20 to the already created Exhibition table? a. ALTER TABLE Exhibition add (job varchar2(20)); 1 b. ALTER TABLE...

Extracted text: Which of the following statements would add a column job of type varchar 2 and size 20 to the already created Exhibition table? a. ALTER TABLE Exhibition add (job varchar2(20)); 1 b. ALTER TABLE Exhibition add column (job varchar2(20)); O c. ALTER TABLE Exhibition add job varchar2(20); O d. ALTER TABLE Exhibition add column (job); For a variable having value as str='BABY', what is the value of the function initcap(str) ? а. ВАBY b. Baby O . BABY O d. baby For name='Daniel, what is the output of the function rpad(name,8,'$') ? O a. Daniel 3 O b. $$Daniel O c. $$$$$$$$ O d. Daniel$$