1z0-882 무료 덤프문제 온라인 액세스

Using the MYSQL command -line client you have received the error "Lost connection to MYSQL server query"
Which three are possible causes of the error?

• A.The connection that issued the query was killed.
• B.The client connection stayed idle for longer than interactive -timeout seconds and was closed.
• C.The MYSQL server stopped working during query execution.
• D.The client sent an erroneous query to the server causing the connection to be closed.
• E.The network connection was interrupted during query execution.
• F.The server interrupted client connection after max-connect-errors was achieved.

Consider the my_table table with these contents:

You execute:
SELECT 1 FROM my_table;
What is the result?

• A.An error message
• B.Two values: 1, 1
• C.Two values: 11, 12
• D.A single value: 1
• E.Two values: 11, 13

Consider the CREATE FUNCTION statement:
CREATE FUNCTION countrycount ()
BEGIN
DECLARE count INT;
SELECT COUNT (*) INTO count FROM country;
RETURN count ;
END
What is the outcome when you try to create the function?

• A.An error results as the SELECT must assign the return values to a user variable.
• B.An error result as the variable type returned by the function must be defined with a RETURNS clause.
• C.An error results as the count variable is not initialized with a value.
• D.An error result as the function must be defined with the CONTAINS SQL clause.

Given the table City:
SELECT Name
FROM City
WHERE CountryCode = 'USA" OR WHERE CountryCode= 'JPN'
What does this statement procedure?

• A.A single result set with two columns containing the names from country codes USA and JPN.
• B.A single result set with one column that contains the names of cities from country codes USA and JPN.
• C.Two result sets each containing a single column with the names of cities from country codes USA and JPN.
• D.No result set is returned and an error message is given.

You are connected to a MySQL server and using a prepared statement. You accidentally exit your session.
What will happen if you log back in to use your prepared statement?

• A.The statement exists, but the user variables need to be redefined.
• B.The statement no longer exists.
• C.The statement can be used, if the MySQL server hasn't been restarted.
• D.The statement exists, but will need to be deallocated and re-created.