MYSQL DATABASE INTERVIEW QUESTIONS

Course:MySQL
Chapter:Chapter 5 - DDL (Data Definition Language)
Questions Count:10
1

What are data types in MySQL and why are they important?

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2

Can you name some common numeric data types in MySQL?

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3

What is the difference between CHAR and VARCHAR data types in MySQL?

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4

How do you define a column to store date and time in MySQL?

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5

What is the ENUM data type and how is it used in MySQL?

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6

Explain the difference between TEXT and BLOB data types.

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7

How can you define a column that automatically updates its value to the current timestamp whenever the row is updated?

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8

What is the JSON data type in MySQL and how can it be used?

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9

How do you use the SET data type in MySQL and what are its benefits?

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10

Discuss the advantages and disadvantages of using the DECIMAL data type over FLOAT or DOUBLE in MySQL.

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