The following query is intended to list the titles of all books that sold more than 3 copies. Fill in the missing blanks. SELECT b.title, ??????? (*) FROM trans AS t JOIN book AS b ON b.id = t.bookid ?????? b.id ??????? COUNT(*) > 3; //Fill in the ?????

The following query is intended to list the titles of all books that sold more than 3 copies. Fill in the missing blanks. SELECT b.title, ??????? () FROM trans AS t JOIN book AS b ON b.id = t.bookid ?????? b.id ??????? COUNT() > 3; //Fill in the ?????

A Guide to SQL

9th Edition

ISBN:9781111527273

Author:Philip J. Pratt

Publisher:Philip J. Pratt

Chapter5: Multiple-table Queries

Section: Chapter Questions

Problem 5SCG: Repeat Exercise 4, but this time use the EXISTS operator in your query.

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Concept explainers

Multiple Table

In a database, a table is used to store data in the form of rows and columns. Rows are aligned horizontally and identified by one or more values in a specific column. Columns are vertically aligned and identified by a unique column name.

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The following query is intended to list the titles of all books that sold more than 3 copies. Fill in the missing blanks.

SELECT b.title, ??????? (*)

FROM trans AS t JOIN book AS b ON b.id = t.bookid

?????? b.id

??????? COUNT(*) > 3;

//Fill in the ?????

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