MySQL - Working with BLOBs and CLOBs MCQ

MySQL – Working with BLOBs and CLOBs MCQ

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1. What do BLOB and CLOB stand for in MySQL?

Big Large Object and Character Long Object

Binary Long Object and Character Long Object

Big Binary Object and Character Long Object

Binary Large Object and Character Large Object

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2. Which data type is suitable for storing images or multimedia files in MySQL?

TEXT

VARCHAR

BLOB

CLOB

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3. How can you insert binary data into a BLOB column in MySQL?

Use the LOAD_FILE() function

Use the VARCHAR data type

Use the INSERT statement with binary data

Use the TEXT data type

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4. Which of the following is a valid method for inserting character data into a CLOB column in MySQL?

Use the INSERT statement with a file path

Use the VARCHAR data type

Use the INT data type

Use the BLOB data type

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5. In MySQL, what is the primary purpose of a BLOB column?

To store date and time data

To store character data

To store binary data

To store numeric data

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6. When retrieving data from a BLOB column in MySQL, what type of data is typically returned?

Date and time data

Numeric data

Binary data

Text data

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7. How can you retrieve character data from a CLOB column in MySQL?

Use the BLOB data type

Use the SELECT statement

Use the VARCHAR data type

Use the LOAD_FILE() function

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8. Which of the following SQL statements is used to update data in a BLOB column in MySQL?

INSERT

DELETE

UPDATE

CREATE TABLE

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9. What should you consider when working with large BLOB or CLOB data in MySQL?

No need for special considerations

Optimize storage space

Avoid indexing for better performance

Use VARCHAR data type

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10. Which of the following is not a best practice for working with BLOBs and CLOBs in MySQL?

Using appropriate indexing

Implementing backup strategies

Storing sensitive data in CLOB columns

Using external storage solutions

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11. What is the primary advantage of using BLOB and CLOB data types in MySQL?

Smaller storage requirements

Handling date and time data efficiently

Handling binary data efficiently

Improved query performance

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12. What is the difference between a BLOB and a CLOB in MySQL?

BLOB is for text data, CLOB is for numeric data

BLOB is for numeric data, CLOB is for binary data

BLOB stores binary data, CLOB stores text data

BLOB is for small objects, CLOB is for large objects

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13. How can you delete a record with a BLOB or CLOB column in MySQL?

Use the ALTER TABLE statement

Use the DROP TABLE statement

Use the INSERT statement

Use the DELETE statement

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14. Which of the following SQL clauses defines the order of rows within a result set in MySQL?

WHERE

ORDER BY

OVER()

PARTITION BY

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15. What type of data is typically stored in a CLOB column in MySQL?

Date and time data

Text data

Numeric data

Binary data

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16. What SQL function can be used to load binary data from a file into a BLOB column in MySQL?

LOAD_FILE()

INSERT INTO

AVG()

CONCAT()

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17. When retrieving data from a CLOB column in MySQL, what type of data is typically returned?

Binary data

Numeric data

Text data

Date and time data

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18. Which of the following data types is suitable for storing very large amounts of character data in MySQL?

VARCHAR

BLOB

CLOB

TEXT

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19. What is the primary use case for a BLOB column in MySQL?

Storing images and multimedia files

Storing date and time data

Storing numeric data

Storing large text documents

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20. Which of the following statements about indexing BLOB and CLOB columns in MySQL is true?

Indexing is automatic and always enabled

Indexing is not possible for BLOB and CLOB columns

Indexing can improve query performance

Indexing slows down query performance

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21. What does CLOB stand for in MySQL?

Character Binary Object

Character Long Object

Character Large Object

Character Short Object

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22. What SQL statement is used to define BLOB and CLOB columns in a MySQL table?

INSERT INTO

UPDATE

CREATE TABLE

DELETE

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23. Which of the following is a valid method for inserting binary data into a BLOB column in MySQL?

Use the SELECT statement

Use the VARCHAR data type

Use the INSERT statement with binary data

Use the INSERT statement with a file path

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24. What is the primary purpose of the PARTITION BY clause in MySQL?

To filter data within a partition

To insert data into BLOB and CLOB columns

To order rows within a partition

To define the window frame

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25. What is the main advantage of using CLOB columns in MySQL?

Smaller storage requirements

Improved query performance for text data

Efficient storage for binary data

Handling date and time data efficiently

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26. When using BLOB and CLOB data types in MySQL, what should you consider when designing your database schema?

Avoid using indexes for better performance

Use BLOB for all data types

Consider storage requirements carefully

Use VARCHAR instead for better performance

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