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MYSQL 1Z0-874 Exam Syllabus Topics:

MYSQL MySQL 5.0 Database Administrator Certified Professional Exam, Part II Sample Questions:

1. In the following query, the Population column is indexed: mysql> EXPLAIN SELECT Name -> FROM Country -> WHERE Code LIKE '%B%' AND Population > 10000 *************************** 1. row *************************** id: 1 select_type: SIMPLE table: Country type: ALL possible_keys: i_pop key: NULL key_len: NULL ref: NULL rows: 239 Extra: Using where
Which of the following best describes how to deal with the key value of the EXPLAIN output? (Choose two)

A) Use FORCE INDEX.
B) Use USE INDEX.
C) Use FORCE KEY
D) Use USE POSSIBLE_KEY

2. What will be the results of the following query? (Choose three)
mysql> SELECT * FROM CountryLanguage PROCEDURE ANALYSE(10, 256)

A) For each column of the CountryLanguage table, the data type will be changed to one that is just large enough to hold the data.
B) For each column of the CountryLanguage table, a data type will be suggested that is just large enough to hold the data.
C) For each column of the CountryLanguage table, the average value or average length will be listed.
D) It will result in an error.
E) For each column of the CountryLanguage table, the minimum and maximum values will be listed.

3. Which of the following statements are true of how access control is based?

A) It is based off of grant tables in the mysql database.
B) It is based off of an access control list stored inside the .frm files of each table.
C) it is based off of an access control list stored in the data directory.
D) It is based off of an access control table in the mysql database.

4. Consider the following:
mysql> EXPLAIN SELECT * FROM City WHERE CountryCode = 'USA'
*************************** 1. row ***************************
id: 1
select_type: SIMPLE table: City
type: ALL
possible_keys: NULL
key: NULL
key_len: NULL
ref: NULL
rows: 4079
Extra: Using where
What does the possible_keys column in this output denote?

A) If there are any indexes you may be able to use.
B) Whether there are any indexes on the table(s) you are querying.
C) Whether you are using any indexes in your query.
D) If it is possible for you to include any indexes in your query.

5. Which of the following best describes what mysqldumpslow does and how to use it? (Choose two)

A) Shell> mysqldumpslow log_name
B) It shows a summary of the slow log contents.
C) It dumps the contents of the slow log into a readable format.
D) Shell> mysqldumpslow < log_name

Solutions: