A Guide to SQL
9th Edition
ISBN: 9781111527273
Author: Philip J. Pratt
Publisher: Course Technology Ptr
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Chapter 3, Problem 6SCG
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Checking the contents of the tables by using the “Select” statement:
Query to view the contents in “LOCATION” table.
Select * from LOCATION;
Query to view the contents in “OWNER” table.
Select * from OWNER;
Query to view the contents in “CONDO_UNIT” table...
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Students have asked these similar questions
Select the best answer from the given choices:
To add a new attribute (column) to an existing table, use
statement
update
insert
None of the answers
alter table
The number of times the table structure has been altered by SQL queries. Which major changes need to be considered? Which commands should I use to implement these modifications?
3. For tasks 4 to 6, please provide the SQL commands for
fulfilling the requirements, along with the explanations
of why/how do you form the commands as is. Please
also provide a screenshot of the results.
Chapter 3 Solutions
A Guide to SQL
Ch. 3 - Prob. 1RQCh. 3 - How do you delete a table using SQL?Ch. 3 - Prob. 3RQCh. 3 - Prob. 4RQCh. 3 - Prob. 5RQCh. 3 - Prob. 6RQCh. 3 - Prob. 7RQCh. 3 - Prob. 8RQCh. 3 - Prob. 9RQCh. 3 - Prob. 10RQ
Ch. 3 - Prob. 11RQCh. 3 - Prob. 12RQCh. 3 - Prob. 13RQCh. 3 - Use SQL to complete the following exercises....Ch. 3 - Prob. 2TDCh. 3 - Prob. 3TDCh. 3 - Prob. 4TDCh. 3 - Prob. 5TDCh. 3 - Prob. 6TDCh. 3 - Prob. 7TDCh. 3 - Prob. 1CATCh. 3 - Add the following row to the ADVENTURE_TRIP table:...Ch. 3 - Prob. 3CATCh. 3 - Prob. 4CATCh. 3 - Prob. 5CATCh. 3 - Prob. 6CATCh. 3 - Review the data for the TRIP table in Figure 1-5...Ch. 3 - Colonial Adventure Tours would like to increase...Ch. 3 - Prob. 1SCGCh. 3 - Add the following record to the VACATION_UNIT...Ch. 3 - Delete the VACATION_UNIT table.Ch. 3 - Prob. 4SCGCh. 3 - Prob. 5SCGCh. 3 - Prob. 6SCGCh. 3 - The SERVICE_REQUEST table uses the CHAR data type...
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- Insert the data into the tables you created in Problem 1.arrow_forwardAdd two columns to the EMPLOYEES table. One column, named EmpDate, contains the date of employment for each employee, and its default value should be the system date. The second column, named EndDate, contains employees date of termination.arrow_forwardAssuming that the CUSTOMER table contains a CUST_AGE attribute, write the query to update the values in that attribute. (Hint: Use the results of the previous query.)arrow_forward
- Write the SQL code that will restore the data to its original status: that is, the table should contain the data that existed before you made the changes in Problems 5 and 6.arrow_forwardAdd to the PADDLING table a new character column named DIFFICULTY_LEVEL that is three characters in length. Then set the default difficulty level value for all rows to the value MOD.arrow_forwardEmployees table—the data Open the Employees table in Datasheet View. You should now see the data currently in the Employees table, as in Figure 19.3. Scan the data to become familiar with the kind of data being stored. In this view, you would be able to add, delete, or modify data in the table. Click the small + sign beside the employee with ID 149. What do you see? Why do you see it? (Hint: think about the relationships between the tables.) Would you expect to see + signs in either of the other two tables?arrow_forward
- Samples of 42 college students are considered for study and were categorized according to year level. The data set is FreshmenFreshmenFreshmenSophomoreJuniorFreshmenSenior SophomoreSeniorSeniorFreshmenSeniorSophomoreSophomore JuniorSophomoreFreshmenFreshmenSophomoreSophomoreFreshmen SeniorSophomoreSophomoreFreshmenFreshmenJuniorJunior SophomoreJuniorSophomoreJuniorJuniorJuniorFreshmen FreshmenSeniorJuniorFreshmenFreshmenFreshmenSophomore Solution:ClassTallyFrequency (f)Percentage (%) Total Consider the scores of 50 Grade 7 students in Math.2939263520 2226363119 2026352528 2239323219 3732283320 2026353119 2531252220 4031193220 2228333919 2026373119 ScoresfPercentage 40 39 37 36 35 33 32 31 29 28 26 25 22 20 19 Total Solution:arrow_forwardUsing the Bowlers and Bowler_Scores tables, list the BowlerID, bowler name, and raw score for each bowler who had the lowest raw score for their team. Do not list a single bowler more than once. If a single team has two bowlers with the same lowest score, do not list any bowlers from that team.arrow_forwardIn our dataset, each job has a predefined salary range. Expand on the previous query and explore this salary range per customer. The query should display the attributes as problem 1 but also include the name of their position, and salary ranges for each employee. Finally, add a column that calculates the difference between each employee’s current salary and the base (minimum) salary for their job. Renamed this last calculated field as “Pay_above_minimum”.arrow_forward
- 5arrow_forwardExamine the Employees table. Note that the data in the Title field contains redundant values and therefore is a candidate for a one-field lookup table. Use your Access Query Design View or SQL skils to create a lookup table named Titles with the unique values in the Title field of the employees table. List the steps you performed to create the lookup tablearrow_forwardHow is the order of characteristics in a result table altered?arrow_forward
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