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Code d'Examen: 1Z0-870
Nom d'Examen: MYSQL (MySQL 5.0, 5.1 and 5.5 Certified Associate Exam)
Questions et réponses: 240 Q&As
Code d'Examen: 006-002
Nom d'Examen: MYSQL (Certified MySQL 5.0 DBA Part II)
Questions et réponses: 140 Q&As
Code d'Examen: 1Z0-872
Nom d'Examen: MYSQL (MySQL 5.0 Developer Certified Professional Exam, Part II)
Questions et réponses: 70 Q&As
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NO.1 Which of the following will be true about a table column if you plan to create an index on that column?
Each correct answer represents a complete solution. Choose all that apply.
A. The column is often used in the WHERE clause of SQL statements.
B. The column contains very small number of NULL values.
C. The table is updated frequently.
D. The column should contain a wide range of values.
Answer: A,D
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NO.2 Fill in the blank with the appropriate word.
The ________data type defines a date that is combined with a time of day along with fractional seconds
that is based on a 24-hour clock.
A. datetime
Answer: A
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NO.3 Fill in the blank with the appropriate term.
A______ provides a concise and flexible means for matching strings of text,
such as particular characters, words, or patterns of characters.
A. regular expression
Answer: A
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NO.4 You work as a Database Administrator for Pass4sure.com. The company uses MySQL as its database.
You have created two tables named Employees and Departments in the database. Now, you want to
display data from both tables. Which of the following actions will you perform to accomplish the task.?
A. Join
B. Table Merge operator
C. HAVING
D. GROUP BY
Answer: A
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NO.5 Which of the following are true about UPDATE statements?
Each correct answer represents a complete solution. Choose all that apply.
A. You can use the WHERE clause to have your update affects a specific set of rows.
B. You use the SET clause to update multiple columns of a table separated by commas.
C. You can use co-related sub query in UPDATE statements to update data from other tables.
D. If you don't use the WHERE clause then the UPDATE will not update any rows in the table.
Answer: A,B,C
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NO.6 You work as a Database Administrator for Pass4sure.com. The company uses MySQL as its database.
You have created a new table named Employees, which keeps all the information of the
employees. You want to add a new row to the Employees table. Which of the following statements will you
use to accomplish the task?
A. INSERT (column1, column2, ...columnN) INTO <table_name> VALUES(value1, value2, ...v alueN);
B. INSERT INTO <table_name>(column1, column2, ...columnN) VALUES(value1 ,value2,
...va lueN);
C. INSERT <table_name>(column1, column2, ...columnN), VALUES(value1, value2, ...valueN );
D. INSERT INTO <table_name>(column1, column2,... columnN), VALUES(value1, value2, ...v alueN);
Answer: B
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NO.7 Consider the exhibit given below:
Which of the following queries will return the name of the customer who placed the highest amount of
orders and the total order amount?
A. SELECT CUSTOMER, MAX(UNITPRICE*QUANTITY) AS "TOTAL"
FROM ORDERS
GROUP BY CUSTOMER
/
B. SELECT CUSTOMER, SUM(UNITPRICE*QUANTITY) AS "TOTAL"
FROM ORDERS
WHERE SUM(UNITPRICE*QUANTITY)
=
(SELECT MAX(SUM(UNITPRICE*QUANTITY)
)
FROM ORDERS
GROUP BY CUSTOMER)
GROUP BY CUSTOMER
/
C. SELECT CUSTOMER, SUM(UNITPRICE*QUANTITY) AS "TOTAL"
FROM ORDERS
GROUP BY CUSTOMER
HAVING SUM(UNITPRICE*QUANTITY)
=
(SELECT MAX(SUM(UNITPRICE*QUANTITY)
)
FROM ORDERS
GROUP BY CUSTOMER)
/
D. SELECT CUSTOMER, SUM(UNITPRICE*QUANTITY) AS "TOTAL"
FROM ORDERS
GROUP BY CUSTOMER
HAVING SUM(UNITPRICE*QUANTITY)
=
(SELECT SUM(UNITPRICE*QUANTITY)
FROM ORDERS
GROUP BY CUSTOMER)
/
Answer: C
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NO.8 Adam works as a Database Administrator for Pass4sure.com. He creates a table named Students.
He wants to create a new table named Class with the help of the Students table. Which of the following
syntaxes will Adam use to accomplish the task?
A. CREATE TABLE Class
INSERT INTO SELECT * FROM Students;
B. CREATE TABLE Class
FROM SELECT * FROM Students;
C. CREATE TABLE Class
(SELECT * FROM Students);
D. CREATE TABLE Class
AS SELECT * FROM Students;
Answer: D
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