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1z0-909 MySQL 8.0 Database Developer Questions and Answers

Questions 4

Examine the structure of the emp table:

1z0-909 Question 4

Examine the structure of the emp_vu1 view based on the emp table:

1z0-909 Question 4

Now, examine this statement:

mysq1> INSERT INTO emp_vul VALUES ('Alice',20000) ;

What is true about executing the statement?

Options:

A.

It inserts a row in the emp table.

B.

It returns an error because an insert operation is not allowed on views.

C.

It inserts a row in the view only.

D.

It returns an error because the PRIMARY ACCOUNT column is not selected for the view definition.

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Questions 5

Examine these statement which execute successfully:

1z0-909 Question 5

Now, examine the statements executed in the mysqi command-line client:

1z0-909 Question 5

What is true?

A)

1z0-909 Question 5

B)

1z0-909 Question 5

C)

1z0-909 Question 5

D)

1z0-909 Question 5

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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Questions 6

Examine the layout of the my_values table.

1z0-909 Question 6

Examine the data in the my_value3 table.

1z0-909 Question 6

Examine this statement:

1z0-909 Question 6

A)

1z0-909 Question 6

B)

1z0-909 Question 6

C)

1z0-909 Question 6

D)

1z0-909 Question 6

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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Questions 7

You must reclaim memory used by a prepared statement named prep. Which two achieve this?

Options:

A.

SET @a = ''; EXECUTE prep USING @a;

B.

DEALLOCATE PREPARE prep?

C.

DROP PROCEDURE prep;

D.

SET @prep = NULL;

E.

DROP PREPARE prep;

F.

PREPARE prep FROM '';

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Questions 8

Examine these lines of Python code:

1z0-909 Question 8

You must add a line of code to complete the code to return data to the variable d. Which line will do this?

Options:

A.

d = cursor.execute(query)

B.

d = cursor.execute(query, (hire_start, hire_end) )

C.

d = cursor.fetch(query % (hire_start, hire_end))

D.

d = cursor.fetch(query, (hire_start, hire_end))

E.

d = cursor . f etchall (query)

F.

d = cursor.fetchall(query, (hire_start, hire_end))

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Questions 9

Which statement is true about the show errors command?

Options:

A.

It displays the total number of errors, warnings, and notes since the beginning of the current session.

B.

It displays the total number of errors, warnings, and notes since the server last restarted.

C.

It cannot display information for more than max_errot_count server system variable setting.

D.

It displays errors messages only, since the start time of the current session.

E.

It displays errors messages only, since the server last restarted.

F.

It displays similar diagnostics results as get diagnostics.

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Exam Code: 1z0-909
Exam Name: MySQL 8.0 Database Developer
Last Update: Jul 13, 2025
Questions: 65

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