mysql

MYSQL

Exam Instructions:

Total Number of Questions: 45
You will be required to answer a total of 45 multiple-choice questions.

Time Limit: 15 minutes for the entire exam
 Once the time is up, the exam will automatically submit.

Passing Criteria:
A minimum score of 50% is required to pass the exam

Multiple Attempts:
You are allowed to take the exam multiple times. Only your highest score will be considered for certification.

Additional Instructions:

The exam timer cannot be paused once it begins.

Good luck, and feel free to retake the exam to improve your score!


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MYSQL

Test your MYSQL skills with a challenging exam designed to evaluate your knowledge in programming, data structures, and algorithms

The certificate will be generated based on the information you provide in the form, so please ensure that all details are entered correctly.

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1) What does the term “aggregate function” mean in MySQL?

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2) How do you remove all records from a MySQL table without deleting the table itself?

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3) What is the purpose of the GROUP_CONCAT() function in MySQL?

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4) What does the STR_TO_DATE function do in MySQL?

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5) What is the purpose of the AVG function in MySQL?

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6) How do you create a composite index in MySQL?

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7) What does the TIMESTAMPDIFF() function do in MySQL?

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8) How do you set a column to auto-increment in MySQL?

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9) How do you find records where a column value is NULL in MySQL?

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10) What does the term “denormalization” refer to in MySQL?

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11) What does the SUBSTRING() function do in MySQL?

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12) What does the STR_TO_DATE() function do in MySQL?

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13) What is the purpose of the RENAME statement in MySQL?

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14) What is the purpose of the ORDER BY clause in MySQL?

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15) How do you use the GROUP_CONCAT() function in MySQL?

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16) What is the role of the INFORMATION_SCHEMA in MySQL?

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17) What is the purpose of the INNER JOIN in MySQL?

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18) What is the purpose of the DELETE statement in MySQL?

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19) How do you use the GROUP BY clause with the COUNT() function in MySQL?

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20) What does the COALESCE function do in MySQL?

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21) How do you apply a filter to a query result in MySQL?

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22) What is the default sorting order of the ORDER BY clause in MySQL?

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23) What does the MySQL function ABS() do?

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24) How do you insert data into a MySQL table?

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25) How do you use the CONCAT function in MySQL?

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26) What command is used to create a new database in MySQL?

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27) What is the purpose of the CHAR_LENGTH() function in MySQL?

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28) What does the MIN() function do in MySQL?

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29) What does the NOT IN operator do in MySQL?

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30) How do you implement user-defined functions in MySQL?

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31) How do you create a database in MySQL?

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32) How do you create a sequence in MySQL?

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33) What is the purpose of the HAVING clause in conjunction with GROUP BY in MySQL?

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34) What is the purpose of the SHOW CREATE TABLE command in MySQL?

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35) What is the difference between a primary key and a unique key in MySQL?

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36) How do you retrieve unique values from a column in MySQL?

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37) What is the purpose of the LIMIT clause in MySQL?

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38) What does the CASE statement do in MySQL?

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39) Which MySQL function is used to return the current date?

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40) How do you perform a cross join in MySQL?

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41) How do you perform a LEFT JOIN in MySQL?

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42) How do you create a view in MySQL?

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43) How do you create a stored procedure in MySQL?

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44) How do you count unique values in a column in MySQL?

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45) What is the purpose of the GROUP BY clause in MySQL?

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