Oracle Certified Professional, MySQL 5.6 Developer - 1z0-882 Free Exam Questions

A. A view created with the TEMPTABLE algorithm

B. A view that contains a literal column

C. A view containing a HAVING clause

D. A view containing a GROUP BY clause

E. A view containing a WHERE clause

A. Fewer nullable column improve index usage.

B. Normalizing Improves the performance of innodb_file_per _table.

C. Separate tables allow indexing more columns.

D. Smaller table sizes and row lengths improve sorting operations.

A. A list of unique values within the range of 1-200 and a list of all values, including duplicates, on the table within the
range of 900-1000

B. A list of all values , including duplicates, in the range of 1-200 and a list of unique values in the range of 900-1000

C. A list of all values, including duplicates, in the ranges of 1-200 and 900-1000

D. An error, because mixing UNION and UNION ALL in the same query is not permitted

E. A list of unique values within the ranges of 1-200 and 900-1000

A. SHOW DEFINITION FOR test.view

B. SHOW CREATE VIEW view1 FROM test

C. SELECT VIEW_DEFINITION_SCHEMA.VIEWS
FROM INFORMATION _SCHEMA.VIEWS
WHERE TABLE_NAME="view1"
AND TABLE_SCHEMA = "test"

D. SELECT DEFINITION
FROM INFORMATION_SCHEMA.VIEWS
WHERE NAME = "test"

E. SHOW CREATE VIEW test-view1

A. Option C

B. Option B

C. Option A

D. Option D

A. ALTER TABLE sensors ADD KEY (details ) USING BTREE

B. ALTER TABLE sensors ADD KEY (details (8)) USING BTREE

C. ALTER TABLE sensors ADD KEY (details) USING HASH

D. ALTER TABLE sensors ADD KEY (details (8) ) USING HASH

E. ALTER TABLE sensors ADD FULLTEX (details)

A. SELECT Code AS c, Name
FROM Country
WHERE Continent = 'Europe'
AND Name IN (
SELECT *
FROM CountryLanguage
WHERE CountryCode = Code
AND Language ='German'
)

B. SELECT Code AS c, Name
FROM Country
WHERE Continent = 'Europe'
AND EXISTS (
SELECT *
FROM CountryLanguage
WHERE CountryCode = Code
And Language= 'German'
)

C. SELECT Code AS c, Name
FROM Country
WHERE Continent = 'Europe'
AND (
SELECT *
FROM CountryLanguage
WHERE CountryCode =Code
AND Language ='German'
)

D. SELECT Code AS c, Name
FROM Country
WHERE Continent = ' Europe'
AND EXIST ANY (
SELECT Language, CountryCode
FROM CountryLanguage
WHERE CountryCode =Code
AND Language = 'German'
)

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

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

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

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

A. SELECT SUM (population)
FROM Country
WHERE Code ="USA"
+ (SELECT SUM (population)
FROM Country
WHERE Code =.'CAN'
)

B. SELECT
(SELECT SUM (population)
FROM Country
WHERE Code ='USA'
FROM country
WHERE Code= 'CAN'
)

C. SELECT (
SELECT SUM (population)
FROM Country
SELECT SUM (population)
FROM Country
WHERE Code ='CAN'
)

D. (SELECT SUM (population)
FROM Country
WHERE Code ="USA'

A. mysqli : :set_charset ('utf8')

B. PDO: :set_charset(''utf8'')

C. spdo = new PDO (''mysql:host=localhost;dbname=test;charset=utfs'', user'', ''pass'');

D. mysqli: :query (''SET NAMES utfs'');