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Question ID 8043

Examine the statement: Create synonym emp for hr. employees; What happens when you issue the statement?

Option A

An error is generated.

Option B

You will have two identical tables in the HR schema with different names.

Option C

You will have two identical tables in the HR schema with different names.

Option D

You create an alternative name for the employees table in the HR schema in your own schema.

Correct Answer D
Explanation


Question ID 8044

Examine the structure of the EMPLOYEES table: EMPLOYEE_ID NUMBER Primary Key FIRST_NAME VARCHAR2 (25) LAST_NAME VARCHAR2 (25) HIRE_DATE DATE Which UPDATE statement is valid?

Option A

UPDATE employees SET first_name = 'John' SET last_name = 'Smith' WHERE employee_id = 180;

Option B

UPDATE employees SET first_name = 'John', SET last_name = 'Smoth' WHERE employee_id = 180;

Option C

UPDATE employee SET first_name = 'John' AND last_name = 'Smith' WHERE employee_id = 180;

Option D

UPDATE employee SET first_name = 'John', last_name = 'Smith' WHERE employee_id = 180;

Correct Answer D
Explanation

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