A Guide to SQL
9th Edition
ISBN: 9781111527273
Author: Philip J. Pratt
Publisher: Course Technology Ptr
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Chapter 2, Problem 1SCG
Determine the functional dependencies that exist in the following table, and then convert this table to an equivalent collection of tables that are in third normal form.
LOCATION (LOCATION_NUM, LOCATION_NAME, (UNIT_NUM, SQR_FT, BDRMS, BATHS, CONDO_FEE))
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Determine the functional dependencies that exist in the following table and then convert this table to an equivalent collection of tables that are in third normal form. Office (OFFICE_NUM, OFFICE_NAME, (ADDRESS, SQR_FT, BDRMS, FLOORS, MONTHLY_RENT, OWNER_NUM)
Determine the functional dependencies that exist in the following table and then convert this table to an equivalent collection of tables that are in third normal form.
Determine the functional dependencies that exist in the following table and then convert this table to an equivalent collection of tables that are in third normal form.
PROPERTY (PROPERTY_ID, OFFICE_NUM, ADDRESS, SQR_FT, BDRMS, FLOORS, MONTHLY_RENT, OWNER_NUM, LAST_NAME, FIRST_NAME)
Chapter 2 Solutions
A Guide to SQL
Ch. 2 - Prob. 1RQCh. 2 - What is an attribute?Ch. 2 - What is a relationship? What is a one-to-many...Ch. 2 - Prob. 4RQCh. 2 - What is a relation?Ch. 2 - Prob. 6RQCh. 2 - Prob. 7RQCh. 2 - How do you qualify the name of a field, and when...Ch. 2 - Prob. 9RQCh. 2 - What is a primary key? What is the primary key for...
Ch. 2 - Prob. 11RQCh. 2 - Prob. 12RQCh. 2 - Define second normal form. What types of problems...Ch. 2 - Define third normal form. What types of problems...Ch. 2 - Prob. 15RQCh. 2 - Prob. 16RQCh. 2 - List the changes you would need to make to your...Ch. 2 - Prob. 1TDCh. 2 - Prob. 2TDCh. 2 - Prob. 3TDCh. 2 - Prob. 4TDCh. 2 - Prob. 5TDCh. 2 - Prob. 1CATCh. 2 - Identify the functional dependencies in the...Ch. 2 - Prob. 3CATCh. 2 - Determine the functional dependencies that exist...Ch. 2 - Prob. 2SCGCh. 2 - Prob. 3SCG
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- Delete the OWNER_INDEX 3 index from the OWNER table.arrow_forwardUsing the functional dependencies, convert the following table to an equivalent collection of tables that are in third normal form.arrow_forwardE4.8a Depict full key functional dependencies, partial functional dependencies (if any), and transitive functional dependencies (if any) in the LANGUAGE SCHOOL Table. Use Visio.arrow_forward
- Implement the above schema with its attributes and relation.• Drop the column PAdress from the above Person table.• Change the column PDesignation from above PersonOfficeDetails table VARCHAR (20) toVARCHAR (30).• Change the data type/definition of column POfficeAdress INT to TEXT from above PersonOfficeDetails table.• Rename Person Table to Person_AlterTable.• Insert one meaning full data on each table of your choicearrow_forwardConsidering Vaccination Database, write queries to: Display the Subject CNIC, Name, Contact, Dose1 Center, and Dose2 Center as shown below: CNIC Name Contact Dose1 Center Dose2 Center 22401-6645321-1 Nasir 3409991112 Lachi Kohat 2 14301-6045321-5 Shahab 3409991112 kohat 3 Dara The subjects who have been vaccinated different types in Dose1 and Dose2. For instance, subjects who were vaccinated ‘Sinovac’ in the first dose, while Pfizer in the second dose.How many Viles of each type have been consumed so far. How many subjects are vaccinated from expired viles. Suggest the name of Incharge for the best performance award based on the highest number of subjects vaccinated on a single dayarrow_forwardList all the dependencies that are applicable to the tables given (full, partial, and transitive)arrow_forward
- Note that primary keys are in BOLD. Note also that attributes with the same name in different tables are foreign keys. For example, doctorID in the Treatment table is a foreign key that refers to the Doctor table. Doctor(doctorId:integer, specialtyID:integer, firstName:varchar(20), lastName:varchar(20), salary:numeric(11,2)) Specialty(specialtyID:integer, specialtyName:varchar(20), specialtyCost:numeric(11,2)) Treatment(doctorId:integer, patientSSN:integer, dateTreated:date, costOfTreatment:numeric(11,2)) Patient(patientSSN:integer, firstName:varchar(20), lastName:varchar(20), street:varchar(30), city:varchar(15), state:char(2),zipCode:integer(5)) 2.3) Write an SQL statement to increase the cost of all Specialty treatment by 2.5% 2.4) Write a SQL statement to delete all treatment rows that were done before 2015 and cost less than $500. 2.5) Write an SQL statement to select all Specialties where the specialtytName has a null valuearrow_forwardHello, The last part says : Please the design the database into 3NF. Underline the Primary Key fields of tables and put (FK) after any foreign key fields.arrow_forwardCreate a SQL query that pulls OrderID and OrderDate from the Orders database, as well as OrderDetailID from the OrderDetails table. To link the query to the Orders database, utilise the OrderID attribute.arrow_forward
- Determine the functional dependencies that exist in the following table. After determining the functional dependencies, convert this table to an equivalent collection of tables that are in third normal form. ITEM(ITEM_ID, DESCRIPTION, ON_HAND, CATEGORY, LOCAITON, PRICE,(INVOICE_NUM, INVOICE_DATE, CUST_ID, FIRST_NAME, LAST_NAME, QUANTITY, QUOTED_PRICE))arrow_forwardWhich of the following is correct? (refer to the tables in the JustLee Books database.)a. A group function can be nested inside a group function.b. A group function can be nested inside a single-row function.c. A single-row function can be nested inside a group functiond. d. a and be. a, b, and carrow_forwardDo the tables exihibit referential integrity.Answer yes or no, and then explain your answer.arrow_forward
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