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Question ID 1702

Click the Exhibit button to examine the structures of the EMPLOYEES and TAX tables.
You need to find the percentage tax applicable for each employee. Which SQL statement would you use?

Option A

A.    You cannot find the information because there is no common column between the two tables.
 

Option B

B.    SELECT employee_id, salary, tax_percent
FROM employees e JOIN tax t
WHERE e.salary > t.min_salary AND < t.max_salary;

 

Option C

C.    SELECT employee_id, salary, tax_percent
FROM employees e JOIN tax t
ON e.salary BETWEEN t.min_salary AND t.max_salary;
 

Option D

D.    SELECT employee_id, salary, tax_percent FROM employees e JOIN tax t
ON (MIN(e.salary) = t.min_salary
AND MAX(e.salary) = t.max_salary);

Correct Answer C
Explanation


Question ID 1703

Which SELECT statement will get the result 'elloworld' from the string 'HelloWorld'?

Option A

A.    SELECT SUBSTR( 'HelloWorld',1) FROM dual;
 

Option B

B.    SELECT INITCAP(TRIM ('HelloWorld', 1,1)) FROM dual;
 

Option C

C.    SELECT LOWER(TRIM ('H' FROM 'HelloWorld')) FROM dual;
 

Option D

D.    SELECT LOWER(SUBSTR('HelloWorld', 1, 1) FROM dual;
 

Correct Answer C
Explanation

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