Requirement 2 Write SQL DROP statements that will drop all the tables. Add these statements to the appropriate location within the script file. Requirement 3 Write SQL CREATE TABLE statements to create all the tables. Add these statements to the appropriate location within the script file. Business rules: ✓ All tables must have primary key constraints matching the requirements of the ERD. ✓ All tables must have appropriate foreign key constraints. ✓ Each foreign key column must have an identical column name, data type and size of the primary key that it refers to. ✓ Add any NOT NULL constraints as dictated by the ERD. ✓ All constraints must be named using naming conventions used in the INF10004 unit. ✓ The following column names, data types and sizes must be used. Wrkid, tskid, yearsservice Wrkname, status, tskdescription Wrkgender, categorytype HourlyRate Number (4) Varchar (30) Varchar (1) Number (5,2) ✓ A check constraint named CK_ALLOCATION_RATE must be created to ensure that the HourlyRate is in the range of 0.00 to 299.99 ✓ A check constraint name CK_WORKER_wrkgender must be created to ensure that the worker gender values must be M or F
Requirement 2 Write SQL DROP statements that will drop all the tables. Add these statements to the appropriate location within the script file. Requirement 3 Write SQL CREATE TABLE statements to create all the tables. Add these statements to the appropriate location within the script file. Business rules: ✓ All tables must have primary key constraints matching the requirements of the ERD. ✓ All tables must have appropriate foreign key constraints. ✓ Each foreign key column must have an identical column name, data type and size of the primary key that it refers to. ✓ Add any NOT NULL constraints as dictated by the ERD. ✓ All constraints must be named using naming conventions used in the INF10004 unit. ✓ The following column names, data types and sizes must be used. Wrkid, tskid, yearsservice Wrkname, status, tskdescription Wrkgender, categorytype HourlyRate Number (4) Varchar (30) Varchar (1) Number (5,2) ✓ A check constraint named CK_ALLOCATION_RATE must be created to ensure that the HourlyRate is in the range of 0.00 to 299.99 ✓ A check constraint name CK_WORKER_wrkgender must be created to ensure that the worker gender values must be M or F
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Requirement 2
Write SQL DROP statements that will drop all the tables. Add these statements to the appropriate location within the script file.
Requirement 3
Write SQL CREATE TABLE statements to create all the tables. Add these statements to the appropriate location within the script file.
Business rules:
✓ All tables must have primary key constraints matching the requirements of the ERD.
✓ All tables must have appropriate foreign key constraints.
✓ Each foreign key column must have an identical column name, data type and size of the primary key
that it refers to.
✓ Add any NOT NULL constraints as dictated by the ERD.
✓ All constraints must be named using naming conventions used in the INF10004 unit.
✓ The following column names, data types and sizes must be used. Wrkid, tskid, yearsservice Wrkname, status, tskdescription Wrkgender, categorytype HourlyRate
Number (4) Varchar (30) Varchar (1) Number (5,2)
✓ A check constraint named CK_ALLOCATION_RATE must be created to ensure that the HourlyRate is in the range of 0.00 to 299.99
✓ A check constraint name CK_WORKER_wrkgender must be created to ensure that the worker gender values must be M or F
Transcribed Image Text:Scenario
A database analyst has developed the following ER Diagram for a small company.
WORKER HH
Status
YearsService
Has
O Wrkld
WrkName
WrkGender
Hourly Rate
ALLOCATION
Of
HH
TASK
Taskld
Description
CategoryCode
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