Consider the following PRODUCT table (Primary key underlined). True or False: The two last rows are allowed in the table PRODUCT PRODUCT ID PRODUCT TYPE_CODE PRODUCT PRICE PRODUC_NAME PRODUCT DETAILS Some Description P1 РС-1 23.45 Introduction to Access Some Description Some Description Some Description P2 PC-2 99.25 Plates P3 PC-3 9.99 Forks P4 PC-4 1200.45 Horizon 2000 Tread Mill P5 РС4 900.00 Soul F80 Some Description True False

Consider the following PRODUCT table (Primary key underlined). True or False: The two last rows are allowed in the table PRODUCT PRODUCT ID PRODUCT TYPE_CODE PRODUCT PRICE PRODUC_NAME PRODUCT DETAILS Some Description P1 РС-1 23.45 Introduction to Access Some Description Some Description Some Description P2 PC-2 99.25 Plates P3 PC-3 9.99 Forks P4 PC-4 1200.45 Horizon 2000 Tread Mill P5 РС4 900.00 Soul F80 Some Description True False

Database Systems: Design, Implementation, & Management

12th Edition

ISBN:9781305627482

Author:Carlos Coronel, Steven Morris

Publisher:Carlos Coronel, Steven Morris

Chapter11: Database Performance Tuning And Query Optimization

Section: Chapter Questions

Problem 23P: Problems 2224 are based on the following query: SELECT P_CODE, P_DESCRIPT, P_PRICE, P.V_CODE,...

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Assume you have a vehicle table with a surrogate key vehicle_id column and VIN (Vehicle Identification Number) column and some other columns. You want to designate a unique index on the vehicle_id and VIN columns because together they filter on the joining column with the highest cardinality (or degree of uniqueness). Write the syntax to add a unique index on the vehicle_id and VIN columns triggered by joins on the surrogate key column?
Create table EMP and DEPT with the below mentioned structureStructure for EMP tableEmpIDNUMBER(4)DeptIDVARCHAR2(10)EmpNameCHAR(10)JobCHAR(10)HireDate DATESalary NUMBER(7, 2)Commission NUMBER (7, 2)Structure for DEPT tableDeptId VARCHAR2(10)Deptname VARCHAR2(20)No_of_Faculties NUMBER(2)In table EMP : EmpID should be the Primary Key and DeptID should be the foreign key.In table DEPT : DeptId should be the primary key. a) Find out the number of employees having “manager” as job.b) Display only the jobs with maximum salary greater than or equal to 3000c) Find all those employees whose job does not start with ‘M’. Find the names of the employees who are Managers and their date of joining is after “02-Jan-2006”.
Which normal form requires that, no non-key attribute should functionally depend on a part of the primary key? 3rd Normal Form 4th Normal Form 2nd Normal Form 1st Normal Form
Write SQL code for the following design schema of three tables. The tables should have the following properties: sales table has a primary key on SalesNumber and it is set to AUTO-INCREMENT.products table has a primary key on number and it is set to AUTO-INCREMENT, they is an unique index on prodidsalesdetails table has a primary key on number and it is set to AUTO-INCREMENT, they is an index on prodid. They is a one-to-many relationship between the salesdetails.SalesNumber andsales.SalesNumber fields. There is a one-to-many relationship between the products.prodid and salesdetails.prodid fields. There is to be a delete constraint on the product.prodid field a record in the product table should not be allowed to be deleted if they exist a matching prodid in the salesdetails table. Primary and foreign keys should be implemented in the appropriate tables. Referential Integrity should be enforce at the database level, where appropriate for example, if a sales record is deleted all…
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 choice
The table STUDENT has the attributes STUDENT_ID, NAME, SCHOOL_ID, and ADDR. The table SCHOOL has the attributes SCHOOL_ID, NAME, and STATE_CODE. Assume that there is a 1:N relation between SCHOOL and STUDENT. Which of the following creates a table that shows the STUDENT attributes and the corresponding SCHOOL attributes? a. SELECT * SCHOOL_ID FROM STUDENT JOIN SCHOOL b. SELECT * SCHOOL_ID FROM STUDENT JOIN SCHOOL USING(SCHOOL_ID) c. SELECT * SCHOOL_ID FROM STUDENT NATURAL JOIN SCHOOL d. SELECT * SCHOOL_ID FROM STUDENT, SCHOOL WHERE SCHOOL_ID = SCHOOL_ID
in the question it said that "Assume that the Reward and Department tables have already been created " so i don't need to create the tables + there is a link from rewards and department to the Employee as in the picture for a reference, my answer is : CREATE TABLE Employee ( EMP_ID CHAR(3) NOT NULL,FNAME VARCHAR(15) NOT NULL,LNAME VARCHAR(15) NOT NULL,SALARY DECIMAL(10,2),JOIN_DATE DATEDEP_NO CHAR(2) NOT NULLPRIMARY KEY(EMP_ID),FOREIGN KEY(EMP_ID) REFRENCE Rewrad,FOREIGN KEY(DEP_NO) REFRENCE Department );is it wrong ?
E4.8a Depict full key functional dependencies, partial functional dependencies (if any), and transitive functional dependencies (if any) in the LANGUAGE SCHOOL Table. Use Visio.
Considering 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 day
[slide-19.png] Q1. Please write SQL codes to create below reservation database table based on the previous slide (slide 19) Video E-R Modling Diagram child table RESERVATION 1. Reservation table is a child table, and the member_id column is a foreign key column which references member table’s member_id primary key column. 2. Reservation table is a child table, and the reserve_date and member_id columns are combined together as a composite primary key column. DESC reservation Name Null? Type reserve_date NOT NULL DATE member_ID NOT NULL NUMBER(4, 0) title_ID NOT NULL NUMBER(3, 0)
The following code would include: SELECT P.P_DESCRIPT, P.V_CODE, V.V_NAME FROM PRODUCT P RIGHT OUTER JOIN VENDOR V ON P.V_CODE=V.V_CODE Group of answer choices A) all rows of the PRODUCT Table regardless of matches with the VENDOR Table. B) all rows of the VENDOR Table regardless of matches with the PRODUCT Table. C) only rows that match both PRODUCT and VENDOR Tables. D) only rows that don't match both PRODUCT and VENDOR Tables.

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