Oracle 12c: SQL
3rd Edition
ISBN: 9781305251038
Author: Joan Casteel
Publisher: Cengage Learning
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Chapter 2, Problem 3HOA
Explanation of Solution
Listing columns from a table
- The Structured Query Language (SQL) select statement returns a result set of records from one or more tables.
- A select statement retrieves zero or more rows from one or more
database tables or database views...
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For each filing segment, indicate in the table whether a cross-reference is needed. Then scroll down to the blank rows at the bottom of the table and fill in the necessary cross-references, in order, starting with the first blank row of the table. For each cross-reference, in the far left column of the table, fill in the original filing segment number followed by X. (For example, a cross-reference for filing segment 1. Would be labeled 1X). Then, fill in the filing segment and key units. Then , for each cross-reference, fill in the cross-reference note (“SEE…” or “SEE ALSO…”) in the column on the far right of the table. See the example filing segment and scroll down to see it’s corresponding cross-reference example.
The Book table has the following columns:
ID Title Author Genre Year Price
Complete the SELECT statement to select the year and the average price of books for that
year.
SELECT *Type your code here */
FROM Book
GROUP BY Pick
The Book table has the following columns:
ID Title Author Genre Year Price
Complete the SELECT statement to select the genre and the total number of books for
that genre.
SELECT /* Type your code here */
FROM Book
GROUP BY Pick
✓
Chapter 2 Solutions
Oracle 12c: SQL
Ch. 2 - Prob. 1RQCh. 2 - What are the two required clauses for a SELECT...Ch. 2 - What is the purpose of the SELECT statement?
Ch. 2 - What does an asterisk () in the SELECT clause of a...Ch. 2 - What is the purpose of a column alias?Ch. 2 - How do you indicate that a column alias should be...Ch. 2 - When is it appropriate to use a column alias?
Ch. 2 - What are the guidelines to keep in mind when using...Ch. 2 - Prob. 9RQCh. 2 - What is a NULL value?
Ch. 2 - Which of the following SELECT statements displays...Ch. 2 - Which clause is required in a SELECT...Ch. 2 - Which of the following is not a valid SELECT...Ch. 2 - Which of the following symbols represents...Ch. 2 - Prob. 5MCCh. 2 - Prob. 6MCCh. 2 - Which of the following is a valid SELECT...Ch. 2 - Which of the following symbols is used in a SELECT...Ch. 2 - Prob. 9MCCh. 2 - When must a comma be used in the SELECT clause of...Ch. 2 - Prob. 11MCCh. 2 - Which clause is not required in a SELECT...Ch. 2 - Which of the following lines of the SELECT...Ch. 2 - Which of the following lines of the SELECT...Ch. 2 - Which of the following lines of the SELECT...Ch. 2 - Which of the following lines of the SELECT...Ch. 2 - Which of the following lines of the SELECT...Ch. 2 - Which of the following lines of the SELECT...Ch. 2 - Which of the following lines of the SELECT...Ch. 2 - Which of the following lines of the SELECT...Ch. 2 - Prob. 1HOACh. 2 - Prob. 2HOACh. 2 - Prob. 3HOACh. 2 - Prob. 4HOACh. 2 - Prob. 5HOACh. 2 - Prob. 6HOACh. 2 - Prob. 7HOACh. 2 - Create a list of each book title stored in the...Ch. 2 - Prob. 9HOACh. 2 - List all information for each order item. Include...
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