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Q21. You want to load data directly from a file into MYSQL by using the SOURCE command. Which types of data can the file contains to perform this?

A. SQL commands

B. Comma-delimited data

C. Tab-delimited data

D. MyISAM or InnoDB data files

Answer: B


Q22. Which two queries return a value of NULL?

A. SELECT NULL =NULL

B. SELECT NULL is NULL

C. SELECT NULL <= > NULL

D. SELECT 1 > NULL

E. SELECT COUNT (NULL);

Answer: A,D


Q23. Which Three options describe benefits of using the InnoDB memcached API?

A. Provides a simple, well supported method for accessing and updating data.

B. Provides a total in –memory storage system that eliminates disk1/0 overhead.

C. Bypasses the SQL layer thus avoiding extra processing.

D. Implements a fast caching mechanism to replace the query cache.

E. Provides protection via InnoDB buffers and crash recovery.

Answer: C,D,E


Q24. You started a MySQL command –line session with sq1_ mode (empty), and created the person table with the structure:

Mysql> DESC person;

You issue:

INSERT INTO person VALUES (‘casper’, ‘undefined’) What is the effect?

A. ‘Casper’ and ‘ undefined values are inserted into the ‘name’ and gender’ column.

B. The server returns an error indicating that ‘undefined’ cannot be inserted into a column of ENUM type

C. The server returns a warning and the empty string is inserted to the ‘gender’ column.

D. The server returns a warning and the first specified value ,”male” is inserted to the gender column.

Answer: B


Q25. As a developer, you inherit this table as part of a project: CREATE TABLE exam (

Exam_id INTEGER UNSIGNED NOT NULL PRIMARY KEY,

Examinee_id INTEGER UNSIGNED UNIQUE, Score INTEGER UNSIGNED

)

What change should you make to ensure that examinee_id is an integer value throughout the table?

A. The examinee_id column should be designated as PRIMARY KEY.

B. A NOT NULL qualifier should be moved from exam-id to examinee-id.

C. The PRIMARY KEY should be dropped and re-created as PRIMARY KEY (examinee-id, exam_id).

D. A NOT NULL qualifier should be added to examinee_id.

Answer: A


Q26. Consider the stored procedure CREATE PROCEDURE param_test ( IN P_in INT,

OUT P_out INT, INPUT P_inout INT) BEGIN

SELECT P_in, P_out, P_ inout; SET P_in, P_inout

END

You execute a series of commands:

What is the output of the CALL and SELECT?

A. (0,0,0) and (0,0,0)

B. (0,0,0,) and (0,200,300)

C. (0,NULL,0) and(0,200,300)

D. (0,NULL,0) and (100,200,300)

Answer: C


Q27. Given the data:

Expected output:

Which query produces the expected output?

A. SELECT colors2.name, colors1.name FROM colors2

OPTIONAL JOIN colors1

ON colors2.name, colors1.name

B. SELECT colors2.name, colors1.name FROM colors2

NATURAL JOIN colors1

ON colors2.name=colors1.name

C. SELECT colors2.name, colors1.name FROM colors2

STRAIGHT JOIN colors1

ON colors2.name, =colors1.name

D. SELECT colors2.name,colors1.name FROM colors2

LEFT JOIN colors1

ON colors2.name=colors1.name

E. SELECT colors2.name,colors1.name FROM colors2

RIGHT JOIN colors1

ON colors2.name=colors1.name

Answer: E


Q28. Your MYSQL server was successfully running for a days, and then suddenly stopped .You are sure that no mysqld process is running.

Which two may provide diagnostic information to help determine why the MYSQL server stopped?

A. The general query log file

B. The syslog on Linux/UNIX or the Event view on windows

C. The slow query log file

D. The MYSQL server error log file

E. The binary log file

Answer: D,E