A Guide to SQL
9th Edition
ISBN: 9781111527273
Author: Philip J. Pratt
Publisher: Course Technology Ptr
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Chapter 3, Problem 6CAT
Explanation of Solution
Checking the content of the tables by using the “Select” statement:
Query to view the contents in “GUIDE” table.
Select * from GUIDE;
Query to view the contents in “TRIP” table.
Select * from TRIP;
Query to view the contents in “CUSTOMER” 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
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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?
How are the column heading labels in a result table changed?
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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- Add 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_forwardWrite 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_forward
- Add 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_forward3. 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.arrow_forwardMr. Rohan has constructed a table called'student,' which contains information such as the student's roll number, name, class, and section. He is now perplexed as to how to establish the main key. So, how do you find the primary key column?arrow_forward
- How is the order in which attributes appear in a result table changed?arrow_forwardSamples 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_forwardThat is not the answer to the above question. Please create CKY tables for the question that was asked.arrow_forward
- Write SQL server procedure to insert record for below table employees(employee_id, first_name, last_name, position, department)arrow_forward5arrow_forwardYour match table must also include record the scores of both teams in the match. Provide the SQL to amend the original table design to allow for this change in requirement. It is most unlikely (impossible) that a team would ever score more than 999 goals in a matcharrow_forward
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