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Engineering Computer Science Oracle 12c: SQL

To write a query to display the list of the authors of the books ordered by Becca Nelson. Required SQL query: SELECT a.lname, a.fname, b.title FROM customers c JOIN orders o ON c.customer#= o.customer# JOIN orderitems i ON o.order# = i.order# JOIN books b ON i.isbn = b.isbn JOIN bookauthor t ON b.isbn = t.isbn JOIN author a ON t.authorid = a.authorid WHERE firstname = "BECCA' AND lastname = 'NELSON'; Explanation: SELECT keyword will allow the user to retrieve the required values. By providing the table name, FROM can be used to search the database and return the desired data. WHERE is used to specify a condition based on which the data is to be retrieved. AND is used to specify that both conditions must be satisfied. The JOIN Clause is a special keyword in SQL (structured Query Language), which is used to combine the rows from two or more tables in the database. In the above SQL query, it selects the field lname and fname from the table author and title filed from the book table and the result of the query is ordered by the customer name. Sample output: LNAME FNAME TITLE JONES JANICE REVENGE OF MONKEY BAKER J JACK PAINLESS CHILD-REARING WHITE WILLIAM HANDCRANKED COMPUTERS WHITE LISA HANDCRANKED COMPUTERS ROBINSON ROBERT BIG REAR AND LITTLE DOVE ROBINSON ROBERT PAINLESS CHILD-REARING FIELDS OSCAR PAINLESS CHILD-REARING

To write a query to display the list of the authors of the books ordered by Becca Nelson. Required SQL query: SELECT a.lname, a.fname, b.title FROM customers c JOIN orders o ON c.customer#= o.customer# JOIN orderitems i ON o.order# = i.order# JOIN books b ON i.isbn = b.isbn JOIN bookauthor t ON b.isbn = t.isbn JOIN author a ON t.authorid = a.authorid WHERE firstname = "BECCA' AND lastname = 'NELSON'; Explanation: SELECT keyword will allow the user to retrieve the required values. By providing the table name, FROM can be used to search the database and return the desired data. WHERE is used to specify a condition based on which the data is to be retrieved. AND is used to specify that both conditions must be satisfied. The JOIN Clause is a special keyword in SQL (structured Query Language), which is used to combine the rows from two or more tables in the database. In the above SQL query, it selects the field lname and fname from the table author and title filed from the book table and the result of the query is ordered by the customer name. Sample output: LNAME FNAME TITLE JONES JANICE REVENGE OF MONKEY BAKER J JACK PAINLESS CHILD-REARING WHITE WILLIAM HANDCRANKED COMPUTERS WHITE LISA HANDCRANKED COMPUTERS ROBINSON ROBERT BIG REAR AND LITTLE DOVE ROBINSON ROBERT PAINLESS CHILD-REARING FIELDS OSCAR PAINLESS CHILD-REARING

Oracle 12c: SQL

Oracle 12c: SQL

3rd Edition

ISBN: 9781305251038

Author: Joan Casteel

Publisher: Cengage Learning

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Basic SQL Queries

Structured Query Language is the full form of SQL. It is a high-level language used to communicate with a relational database. It is used for creating, storing and accessing contents of a relational database. SQL is used to write the queries which are ex…

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Chapter 9, Problem 7HOA

Chapter 9, Problem 9HOA

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Chapter 9 Solutions

Oracle 12c: SQL

Ch. 9 - Prob. 1HOA Ch. 9 - Prob. 2HOA Ch. 9 - Prob. 3HOA Ch. 9 - Prob. 4HOA Ch. 9 - Prob. 5HOA Ch. 9 - Prob. 6HOA Ch. 9 - Prob. 7HOA Ch. 9 - Prob. 8HOA Ch. 9 - Prob. 9HOA Ch. 9 - An EMPLOYEES table was added to the JustLee Books...

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List all information for each order item. Include an item total, which can be calculated by multiplying the Quantity and Paideach columns. Use a column alias for the calculated value to show the heading Item Total in the output.

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