Recent questions in MySQL Interview Questions and Answers

Recent questions in MySQL Interview Questions and Answers

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If I created a column with data type VARCHAR(3), what would I expect to see in MySQL table?

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Explain TIMESTAMP DEFAULT ‘2006:09:02 17:38:44′ ON UPDATE CURRENT_TIMESTAMP.

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What does TIMESTAMP ON UPDATE CURRENT_TIMESTAMP data type do?

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Explain data type TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP

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What if you really want to store the timestamp data, such as the publication date of the article?

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What happens if a table has one column defined as TIMESTAMP?

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If you specify the data type as DECIMAL (5,2), what’s the range of values that can go in this table?

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Explain the difference between FLOAT, DOUBLE and REAL.

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Explain the difference between BOOL, TINYINT and BIT.

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What happens when the column is set to AUTO INCREMENT and you reach the maximum value for that table?

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What is SERIAL data type in MySQL?

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Explain federated tables.

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What are CSV tables?

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How do you control the max size of a HEAP table?

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What are HEAP tables in MySQL?

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Explain advantages of MyISAM over InnoDB?

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Explain advantages of InnoDB over MyISAM?

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What does myisamchk do?

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Explain the difference between MyISAM Static and MyISAM Dynamic.

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What are some good ideas regarding user security in MySQL?

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