최신 1Z0-909 무료덤프 - Oracle MySQL 8.0 Database Developer

문제1

Examine the statement which executes successfully:
SET sql_mode=' NO_ENGINE_SUBSTITTJTION' ;
You try to create a table with a storage engine that is not available. What will happen?

A. The server will create the table but it will be unusable until the specified storage engine is available.

B. The server will create the table but report an error when the first attempt to insert a row is performed.

C. An error occurs and the create table statement fails.

D. The server will create the table using the default storage engine.

정답: C

문제2

Examine these commands which execute successfully:
mYsql> CREATE TABLE income (acct_num INT, amount DECIMAL(10,2));
mysql> CREATE TRIGGER subtotal BEFORE INSERT ON income
FOR EACH ROW SET @subtotal = subtotal + NEW.amount;
Which is true for the income table?

A. The trigger activates after any row has been inserted into the table.

B. The trigger body set causes trigger activation.

C. The trigger activates after any row in the table has been updated.

D. Execution of an insert statement causes the trigger to activate.

정답: D

문제3

Examine these lines of Python code:

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

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

B. d = cursor . f etchall (query)

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

D. d = cursor.execute(query)

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

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

정답: F

문제4

Examine this statement and output:

You execute this statement:
SELECT JSON_SEARCH(product,'one','IT') FROM fshop ;
What is the output?

A. product->''$.varieties [4]. origin[1];;

B. ''$.varieties[4]. origin[1]''

C. product->varieties[3]. origin[0]''

D. ''$.varieties [3]. origin[0]''

정답: A

문제5

The meeting table stores meeting schedules with participants from five continents. The participants' details are stored in another table.

You need to adjust the start_time and duration columns for optimal storage. What datatype changes would achieve this?

A. start_time DATETIME duration DATETIME

B. start_time TIME duration TIME

C. start__time DATETIME duration TIME

D. start_time TIMESTAMP duration TIMESTAMP

E. start_time TIMESTAMP duration TIME

정답: A

문제6

Examine this bar graph based on columns from the players table:

Which two statements would generate this bar graph?

A. SELECT Name, Gender, Sport, LENGTH (GPA*10, '# ') AS GPA_Graph FROM players ORDER BY GPA DESC;

B. SELECT Name, Gender, Sport, RPAD ('# ' GPA*10) AS GPA_Graph FROM players ORDER BY GPA DESC;

C. SELECT Name, Gender, Sport, REPEAT('# 'Y GPA*10) AS GPA_Graph FROM players ORDER BY GPA DESC;

D. SELECT Name, Gender, Sport, CONCAT ('# ' GPA*10) AS GPA_Graph FROM players ORDER BY GPA DESC;

E. SELECT Name, Gender, Sport, CHAR_LENGTH ('# ' GPA*10) AS GPA_Graph FROM players ORDER BY GPA DESC;

정답: B,C

문제7

Examine this SQL statement:

A. db.country. fields ( [ 'Name ' , 'Population* ] ) .where ( 'Name LIKE "United%',,) -select ()-limit(5)

B. db . country, select ( [ ' Name LIKE "united%" ' , ' Population>^0 ' ] ) - limit (5)

C. db. country-select(['Name','Population']) .where('Name LIKE :param') -bind ('param' , 'United*') -limit(5)

D. db . country. fields ( [ ' Name ' , 'Population']) . select (' limit=5 ' ) .where('Name LIKE "United%" ' )

E. db . country. Select ([Name' , 'Population.'] ) -limit (5) .where('Name LIKE "United%"')

정답: C

최신 1Z0-909 무료덤프 - Oracle MySQL 8.0 Database Developer

우리와 연락하기

유용한 링크

최신 업데이트