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What returns a string containing an error message?

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What returns a string containing an error message?

(a) mysql_error()

(b) mysql_errno()

(c) mysql_sqlstate()

(d) mysql_close()

This question was posed to me in an online quiz.

This intriguing question originated from Session-Only System Variables topic in portion System, Status and User Variables of MySQL

1 Answer

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Best answer
Right choice is (a) mysql_error()

For explanation: The API call named ‘mysql_error()’ returns a string containing an error message. ‘mysql_close()’ does not return any value at all. ‘mysql_errno()’ returns a MySQL-specific numeric code.

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