The relation is: Book(ISBN: string, Title: string, PublisherID: integer, Price: decimal)
Which of the following queries returns the publisher ID of the book whose ISBN is "97836"?

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The question asks for the SQL query that returns the publisher ID of the book whose ISBN is '97836'.
Option 1: 'select ISBN from Book where PublisherID = 97836;' This asks for ISBN values where the PublisherID equals 97836. It retrieves the ISBN column, not the PublisherID, and uses a PublisherID filter, which is the opposite of what is requested.
Option 2: 'select PublisherID from Book where ISBN = '97836';' This selects the PublisherID column and filters rows by ISBN equal to '97836', which exactly matches the requirement of returning the publisher ID for the specific ISBN.
Option 3: 'select PublisherID, ISBN = '97836' from Book;' This syntax attempts to select PublisherID and a boolean expression 'ISBN = '97836'' as a second column. It does not return only the PublisherID and also misuses the equality expression in the select list rather than filtering rows.
Option 4: 'return PublisherID from Book if ISBN = '97836';' This is not valid SQL syntax in standard relational databases. It uses an imperative phrasing and 'return' with a conditional clause, which does not conform to SQL SELECT semantics.
In summary, the second option correctly selects the PublisherID from the rows where the ISBN matches the given value, aligning with typical SQL patterns and the requested outcome.

2025FallDYN-T-SCM593-87040-87041-88901 Comprehensive Exam- Requires Respondus LockDown Browser

The relation is: Book(ISBN: string, Title: string, PublisherID: integer, Price: decimal) Which of the following queries returns the publisher ID of the book whose ISBN is "97836"?

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