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

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2) How do you find the current user in MySQL?

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3) How can you increase the size of a VARCHAR column in MySQL?

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4) How do you perform a natural join in MySQL?

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5) What does the TRUNCATE() function do in MySQL?

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6) What is the use of the TEMPORARY table in MySQL?

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7) What does the term “data type” refer to in MySQL?

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8) What does the CONVERT() function do in MySQL?

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9) What is the purpose of the TRUNCATE command in MySQL?

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10) What is the difference between UNION and UNION ALL in MySQL?

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11) Which command is used to export data from a MySQL database?

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

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13) What does the UNION operator do in MySQL?

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14) What does the term “row-level locking” mean in MySQL?

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15) What is the purpose of the INSERT IGNORE statement in MySQL?

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16) How do you create a temporary table in MySQL?

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

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18) What does the COALESCE() function do in MySQL?

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19) How do you use the HAVING clause in MySQL?

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20) Which MySQL function is used to concatenate two strings?

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21) How do you create an index on a column in MySQL?

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22) What is the purpose of the LIMIT clause with OFFSET in MySQL?

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23) What does the RANK() function do in MySQL?

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24) What does the GET_LOCK() function do in MySQL?

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25) How can you optimize a slow query in MySQL?

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26) How do you perform a join in MySQL?

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27) How do you manage user authentication in MySQL?

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

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29) What is the purpose of the FIND_IN_SET() function in MySQL?

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30) How do you find duplicate records in a MySQL table?

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31) What does the TRUNCATE TABLE command do in MySQL?

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

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

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34) How do you implement data normalization in MySQL?

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35) How do you rename a column in MySQL?

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36) How do you implement a foreign key constraint in MySQL?

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37) How do you perform a full-text search in MySQL?

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38) Which function is used to find the maximum value in a column?

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39) How do you create a backup of a MySQL database?

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40) How do you concatenate two strings in MySQL?

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41) How do you implement a transaction in MySQL?

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42) What does the JSON_EXTRACT() function do in MySQL?

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43) What is a trigger in MySQL?

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44) How do you implement a view in MySQL?

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45) How do you implement a foreign key constraint in MySQL?

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