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Which of the following is not a restriction for a table to be a relation?(a) The cells of the table must contain a single value(b) All of the entries in any column must be of the same kind(c) The columns must be ordered(d) No two rows in a table may be identicalI got this question during an interview.The query is from Normalization topic in chapter Planning Oracle Applications of Oracle

Answer» <html><body><a href="https://interviewquestions.tuteehub.com/tag/right-1188951" style="font-weight:bold;" target="_blank" title="Click to know more about RIGHT">RIGHT</a> answer is (<a href="https://interviewquestions.tuteehub.com/tag/c-7168" style="font-weight:bold;" target="_blank" title="Click to know more about C">C</a>) The columns must be ordered<br/><br/>The <a href="https://interviewquestions.tuteehub.com/tag/explanation-455162" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLANATION">EXPLANATION</a>: To <a href="https://interviewquestions.tuteehub.com/tag/format-11876" style="font-weight:bold;" target="_blank" title="Click to know more about FORMAT">FORMAT</a> the columns differently, assign a <a href="https://interviewquestions.tuteehub.com/tag/unique-720618" style="font-weight:bold;" target="_blank" title="Click to know more about UNIQUE">UNIQUE</a> alias to each column within the SELECT command itself (do not use the ALIAS clause of the COLUMN command) and enter a COLUMN command for each column’s alias.</body></html>


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