COMPUTER APPLICATIONS
DATABASE MANAGEMENT SYSTEMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Here which of the following displays the unique values of the column?SELECT ____ dept____name FROM instructor;
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All
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From
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Distinct
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Name
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Explanation:
Detailed explanation-1: -2. Here which of the following displays the unique values of the column? SELECT dept nameFROMinstructor; a) Allb) Fromc) Distinctd) NameView AnswerAnswer: cExplanation: Distinct keyword selects only the entries that are unique.
Detailed explanation-2: -ANSWER:-1) The correct option is :-c) Distinct Explanation:-Distinct keyword is used to select only those entries which…
Detailed explanation-3: -SELECT DISTINCT column name FROM table name; SELECT column name FROM table name GROUP BY column name;
There is 1 question to complete.