Question: Lets consider the account table .it has three column headers; <em><u>account-number</u></em>, <em><u>branch-name</u></em> and <em><u>balance</u></em>. Following the terminology of relational model, these headers can be referred as what?
Answer:
MCQ: Lets consider the account table .it has three column headers; <em><u>account-number</u></em>, <em><u>branch-name</u></em> and <em><u>balance</u></em>. Following the terminology of relational model, these headers can be referred as what?
Correct Answer:
A. Tuple
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Related Questions
- 1. For each attribute in the table, there is set of permitted values, called the _____of that Attribute.
- 2. The mathematical terms <em><u>relation</u></em> and <em><u>tuples</u></em> are referred to as?
- 3. Which of the following describe the logical design of the database?
- 4. Which of the following describe the snapshot of the data in the database at a given instant in time?
- 5. Which of the following describes the relation name (table name), attributes, and their names?
- 6. __________ is the snapshot of the relation at a particular time. It consists of the data which is present inside the relation at a particular instance of time. Duplicate row entries are not allowed in the _____. Though in SQL, duplicate rows are allowed in the table.
- 7. A Database schema, along with primary key and foreign key dependencies, can be depicted pictorially by _________
- 8. The relational Algebra is a ____________ Query language.
- 9. Which of the following are the fundamental operations in the Relational Algebra?
- 10. The select, project and rename operations are called____
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