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What is default value? How do you define it? What is default value for a column for which no value is defined?

Posted by S. K 3 years, 6 months ago

CBSE > Class 12 > Informatics Practices

1 answers

Sia ? 3 years, 6 months ago

For date and time types other than TIMESTAMP, the default is the appropriate “zero” value for the type. For the first TIMESTAMP column in a table, the default value is the current date and time. For string types other than ENUM, the default value is the empty string.

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CBSE > Class 12 > Informatics Practices