Database Systems: Design, Implementation, Management, Loose-leaf Version
12th Edition
ISBN: 9781305866799
Author: Coronel, Carlos; Morris, Steven
Publisher: Course Technology
expand_more
expand_more
format_list_bulleted
Question
Chapter 3, Problem 26RQ
Program Plan Intro
Index Table:
Index Tables are created to create index over the fields in data stores which are frequently referenced by queries. Creating indexes can improve the query performance in
Index Key:
The key which is used to uniquely identify the index table is referred as Index Key. Index key can have null as its value. The index is a small database which hare sorted by key values.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
A data dictionary is a collection of information. Give a succinct explanation.
Task B. Import the data shown in pictures into the two tables created.
If you had the option of having a million-element list, which implementation of the size and isEmpty functions would you use? (Consider the issue with the University of Michigan's alumni database.) If you had the option of making a million little lists, how would you choose? Think about the challenge of tracking dependents for a million income tax filings.)
Chapter 3 Solutions
Database Systems: Design, Implementation, Management, Loose-leaf Version
Ch. 3 - What is the difference between a database and a...Ch. 3 - Prob. 2RQCh. 3 - Prob. 3RQCh. 3 - What are the requirements that two relations must...Ch. 3 - Which relational algebra operators can be applied...Ch. 3 - Explain why the data dictionary is sometimes...Ch. 3 - A database user manually notes that The file...Ch. 3 - Prob. 8RQCh. 3 - Prob. 9RQCh. 3 - Prob. 10RQ
Ch. 3 - Prob. 11RQCh. 3 - Prob. 12RQCh. 3 - Use Figure Q3.13 to answer Questions 1317. FIGURE...Ch. 3 - Create the table that results from applying a...Ch. 3 - Write the relational algebra formula to apply an...Ch. 3 - Create the table that results from applying an...Ch. 3 - Using the tables in Figure Q3.13, create the table...Ch. 3 - Prob. 18RQCh. 3 - Prob. 19RQCh. 3 - Prob. 20RQCh. 3 - Identify and describe the components of the table...Ch. 3 - Identify the primary keys. FIGURE Q3.22 THE...Ch. 3 - Identify the foreign keys. FIGURE Q3.22 THE...Ch. 3 - Create the ERM. FIGURE Q3.22 THE CH03_THEATER...Ch. 3 - Create the relational diagram to show the...Ch. 3 - Prob. 26RQCh. 3 - What would be the conceptual view of the INDEX...Ch. 3 - Prob. 1PCh. 3 - Prob. 2PCh. 3 - Do the tables exhibit referential integrity?...Ch. 3 - Describe the type(s) of relationship(s) between...Ch. 3 - Prob. 5PCh. 3 - Prob. 6PCh. 3 - Prob. 7PCh. 3 - Prob. 8PCh. 3 - Create the relational diagram to show the...Ch. 3 - Prob. 10PCh. 3 - Prob. 11PCh. 3 - Create the relational diagram to show the...Ch. 3 - Prob. 13PCh. 3 - Do the tables exhibit referential integrity?...Ch. 3 - Prob. 15PCh. 3 - Prob. 16PCh. 3 - For each table, identify the primary key and the...Ch. 3 - Prob. 18PCh. 3 - Do the tables exhibit referential integrity?...Ch. 3 - Identify the TRUCK tables candidate key(s). FIGURE...Ch. 3 - For each table, identify a superkey and a...Ch. 3 - Prob. 22PCh. 3 - Prob. 23PCh. 3 - Prob. 24PCh. 3 - Create the ERD. (Hint: Look at the table contents....Ch. 3 - Prob. 26PCh. 3 - Prob. 27PCh. 3 - Prob. 28PCh. 3 - Create the table that would result from applying...Ch. 3 - Create the table that would result from applying...Ch. 3 - Create the table that would result from applying a...
Knowledge Booster
Similar questions
- What happens to the existing rows of a table if the DEFAULT value of a column is changed?arrow_forwardWhat happens if you try to decrease the scale or precision of a NUMBER column to a value less than the data already stored in the field?arrow_forwardSuppose a school wants to store the data of teachers and the subjects they teach. They create a table that looks like this: Since a teacher can teach more than one subjects, the table can have multiple rows for a same teacher. Apply Second Normal Form on this table. teacher id subject teacher age 401 Maths 34 402 Physics 32 403 Biology 28 404 Physics 30 405 Chemistry 37arrow_forward
- Use Python Code Your task is : Visualization of confirmed cases of COVID-19 by country . (Use pandas to read the data table csv. Example df = pd.read_csv('COVID19.csv' ) then make a visualization using that csv table) Province/State Country Lat Long ######## ######## ######## ######## ######## ######## ######## ######## ######## ######## 2/1/2020 2/2/2020 2/3/2020 2/4/2020 2/5/2020 2/6/2020 2/7/2020 2/8/2020 2/9/2020 ######## ######## ######## ######## ######## ######## ######## ######## ######## ######## ######## ######## ######## ######## ######## ######## ######## ######## ######## ######## 3/1/2020 3/2/2020 3/3/2020 3/4/2020 3/5/2020 3/6/2020 3/7/2020 3/8/2020 3/9/2020 ######## ######## ######## ######## ######## ######## ######## ######## ######## ######## ######## ######## ######## ######## ######## ######## ######## ######## ######## ######## ######## ######## 4/1/2020 4/2/2020 4/3/2020 4/4/2020 4/5/2020 4/6/2020 4/7/2020 Afghanistan 33 65 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0…arrow_forwardA data dictionary should have a full list of column names along with full description of each column, what the abbreviations within the columns stand for, the data type of each column. True Falsearrow_forwardA lookup table is a type of map True or Falsearrow_forward
- Give Pros of Using Dynamic Viewsarrow_forwardWhich implementation of the size and isEmpty methods would you choose if you had the choice of having a million-element list? (Think about the problem with the University of Michigan's alumni database.) How would you select between making a million different lists? Consider the difficulty of monitoring dependents for a million income tax returns.)arrow_forwardusing php We run a dog grooming shop, there are new 4 breeds that are being registered to our system. Please add their names, breeds, and ages to the database, also display the new inputs with non-prepared statements Requirement 1: Require the programmer to insert rows Requirement 2: Require the programmer to display the rows after they have been changed Requirement 3: Require use of a non-prepared statementarrow_forward
- C sharp Table: Student (the headers are the field names in the Students table) StudentID Name Age Gender ProgramID 791 Stephanie Brown 19 Female BCS 236 Shannon Dawn 25 Female BA 618 Geoff Berg 24 Male ARET 256 Andrew Schilling 22 Male BSC 902 Gary Sang 23 Male DAAD Note: There is a StudentDataSet with a Student table, a StudentTableAdapter, a StudentBindingSource, and a StudentDataGridView control on the form.Note: There is an Average query, named Average, that returns the average age of the student from the Student table.Note: There is also Max query, named Highest, that returns the highest age of the student from the Student table.Write the code you would place in the AverageButton click event on your form to call the Average query and the Highest query and display in a DifferenceLabel, the difference between the highest age of a student and the average age.arrow_forwardCreate a function in JAVASCRIPT which creates a table with Name and Age from the answers to the user prompts. The rows should be added automatically in case there is more answers.arrow_forwardInformation Techfiology department Q-Design a system for car parking database, should have at least tables. In addition to build schema, the required is: 1- write all instruction's to do this structure. 2- Make new field with titles comments to first table has data type integer. 3- Edit the new field to be character data type. 4- Remove any column from any table.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Np Ms Office 365/Excel 2016 I NtermedComputer ScienceISBN:9781337508841Author:CareyPublisher:Cengage
A Guide to SQLComputer ScienceISBN:9781111527273Author:Philip J. PrattPublisher:Course Technology Ptr
Np Ms Office 365/Excel 2016 I Ntermed
Computer Science
ISBN:9781337508841
Author:Carey
Publisher:Cengage
A Guide to SQL
Computer Science
ISBN:9781111527273
Author:Philip J. Pratt
Publisher:Course Technology Ptr