1Z0-051 Exam Dumps | The EMPLOYEES table has these columns: LAST NAMEVARCHAR2(35) SALARYNUMBER(8,2) HIRE

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Question 248/290

The EMPLOYEES table has these columns:
LAST NAMEVARCHAR2(35)
SALARYNUMBER(8,2)
HIRE_DATEDATE
Management wants to add a default value to the SALARY column. You plan to alter the table by using this SQL statement:
ALTER TABLE EMPLOYEES
MODIFY (SALARY DEFAULT 5000);
What is true about your ALTER statement?

A. Column definitions cannot be altered to add DEFAULT values.

B. A change to the DEFAULT value affects only subsequent insertions to the table.

C. Column definitions cannot be altered at add DEFAULT values for columns with a NUMBER data type.

D. All the rows that have a NULL value for the SALARY column will be updated with the value 5000.

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Question 248/290

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