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NEW QUESTION 44
Examine the content of the employee table:

Now examine this PHP script:

Finally examine this desired output:

• A. $options = [PDO:: ATTR_DEFAUXT_FETCH__MODE => PDO: : PDO: :FETCH_OBJ] ;
• B. $options = [PDO:: ATTR__DEFAULT_FETCH MODE => PDO: :FETCH_CLASS] ;
• C. $options = [PDO:: ATTR_DEFAULT_FETCH__MODE => PDO: : FETCH_ASSOC] ;
• D. $options = [PDO:: ATTR_DEFAOLT_FETCH__MODE => PDO : : FETCH_BOTH] ;

Answer: D

NEW QUESTION 45
Examine these statements issued from Session 1 which execute successfully:

Now, examine this statement issued from Session 2:

What is the outcome of the update statement in Session 2?

• A. The statement will wait for the transaction in Session 1 to finish.
• B. The transaction in Session 1 will be rolled back automatically.
• C. A deadlock will occur.
• D. The row will be updated immediately.

Answer: B

NEW QUESTION 46
Examine this statement and output:

Now, examine these desired output values:

Which statement updates the table data as require

• A. UPDATE exam_result SET score=ROUND(score,1);
• B. UPDATE exam_result SET score=CEIL(TRUNCATE(sco
• C. UPDATE exam_result SET score=TRUNCATE(score,1);
• D. UPDATE exam_result SET score=TRUNCATE
• E. UPDATE exam_result SET score=CEIL(ROUND(score,1));
• F. UPDATE examresult SET score=ROUND(CEIL(score

Answer: A

NEW QUESTION 47
You must write a statement that combines the first_name and last_name columns from the employees table as "last_name, first_name." Which two statements will do this?

• A. SELECT GROUP_CONCAT(last_name, first_name) FROM employees;
• B. SELECT CONCAT_WS(', ',last_name,first_name) FROM employees;
• C. SELECT CONCAT(last name,', ',first_name) FROM employees;
• D. SELECT last_name, ' , ',first_name FROM employees;
• E. SELECT last_name + ', ' + first_name FROM employees;

Answer: A,E

NEW QUESTION 48
Examine these statements which execute successfully:

Which two changes will improve this query performance?

• A. CREATE INDEX 1X7 ON users (user_name) USING HASH;
• B. CREATE INDEX 1X6 ON users (user_name);
• C. CREATE INDEX 1X2 ON locations (loc_mapping) USING HASH; fH
• D. CREATE INDEX 1X4 ON Locations (site_id, loc_shared);
• E. CREATE INDEX 1X3 ON locations <loc_site_id) ;
• F. CREATE INDEX 1X5 ON users (loc_id);
• G. CREATE INDEX IX1 ON locations (loc_shareci) ;

Answer: A,B

NEW QUESTION 49
......

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