Under what circumstances will the action(s) be audited?
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2. Under what circumstances will the action(s) be audited?
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- A unique identifier for a data row that consists of more than one field is commonly called a: primary plus key composite primary key foreign key none of the aboveThe database should contain the following six tables: Artists (artist_id: char(30), artist_name: char(30), artist_pop: int(5))Tracks (track_id: char(30), track_name: char(30), duration: int(10), tempo:real) Record (artist_id: char(30), track_id: char(30))Users (user_id: char(30), user_name: char(30), age: int(5), nationality: char(30), num_track_listened: int(10))Listen (user_id: char(30), track_id: char(30))Follow (user_id: char(30), artist_id: char(30), follow_date: datetime) Write a single SQL query for each request below. Find the ids of those users who have listened to at least one track but have not followed any artists. Find the ids and names of those users who have listened to some tracks recorded by the artist named 'Adele'. Find the ids and names of those users who have not listened to any track recorded by the artist named 'Adele'. Use ''NOT EXISTS'' to answer this query.Table: Task Primary key: TaskID Foreign key: Team MemberID TaskID 1 2 3 Description Build login screen Implement inventory management Add logo to splahs 1 screen Duration StartDate 2022-05-06 4 10 TeamMemberID 2 1 2022-05-15 1 2022-05-06 2 Write a SQL statement that will add the below row to the Task table. TaskID Description Duration StartDate Team MemberID 3 4 Implement 2022-05-07 email notifications Write a SQL statement that will change the value of the Task description with ID 3 to "Add logo to splash screen".
- Design your application's/organization's database. You need to create the 3 tables for each of the services offered. You must provide at least 5 examples in each of the table. There must be a table in which you have prices linked to the services you are providing. THIS IS THE NAME & DESCRIPTION OF THE ORGANIZATION FOR WHICH YOU NEED TO CREATE 3 TABLES FOR EACH SERVICE PROVIDED *Name of the Organization* :: ECOHUB *Description of the Organization* :: EcoHub is a sustainability-focused organisation that seeks to encourage environmentally friendly behaviours, increase public knowledge of environmental problems, and offer solutions for people, organisations, and communities to reduce their carbon footprint and help make the world a greener place. We think that many little individual actions can have a big influence on the environment when taken together. *Services Offered by the Organization are*1. EcoConsultancy : We provide individualised eco-consultancy services to people and…Assume that the Authors table is already built in the database with the following specifications: Authors: Column Name Data Type constrains Authors ID Author Name Varchar2(10) |Varchar2(30) Primary key Unique You Need to Create the Books table with the following specifications Column Name Data Type Constrains ISBN Book Title Book Price Author id Number (10) Varchar2(40) Number (4,2) Varchar2(10) Primary key Not Null referencing the Author_ID in the Author Table Complete the create statement by drag and drop the correct word: Create Table lblank (ISBN Number (10) plank, Book Title Varchar2blank ) Not Null, Book Price Number(4, 2), Auther IR blank (10) references Jolank (blank ); Author ID Books Number||Authors Not Nul Varchar2| Primary Key 40 h (United States)The manager of a consulting firm has asked you to evaluate a database that contains the table structure shown in the table below.Table: Sample CLIENT records Attribute name Sample value Sample value Sample value CLIENT_NUM 298 289 289 CLIENT_NAME Marianne R. Brown James D. Smith James D. Smith CLIENT_REGION Midwest Southeast Southeast CONTRACT_DATE 10-Feb-2018 15-Feb-2018 12-Mar-2018 CONTRACT_NUMBER 5841 5842 5843 CONTRACT_AMOUNT R22,985,00.00 R1,670,300.00 R11,250,000.00 CONSULT_CLASS_1 Database administration Internet services Database design CONSULT_CLASS_2 Web applications Database administration CONSULT_CLASS_3 Network installation CONSULT_CLASS_4 CONSULTANT_NUM_1 29 34 25 CONSULTANT_NAME_1 Rachel G. Carson Gerald K. Ricardo Angela M. Jamison CONSULTANT_REGION_1 Midwest Southeast Southeast CONSULTANT_NUM_2 56 38 34 CONSULTANT_NAME_2 Karl M. Spenser Anne T. Zuma Gerald K. Jele CONSULTANT_REGION_2 Midwest Southeast Southeast CONSULTANT_NUM_3 22 45 CONSULTANT_NAME_3 Julian H.…
- The Car Maintenance team also wants to store the actual maintenance operations in the database. The team wants to start with a table to store CAR_ID (CHAR(5)), MAINTENANCE_TYPE_ID (CHAR(5)) and MAINTENANCE_DUE (DATE) date for the operation. Create a new table named MAINTENANCES. The PRIMARY_KEY should be the combination of the three fields. The CAR_ID and MAINTENACNE_TYPE_ID should be foreign keys to their original tables. Cascade update and cascade delete the foreign keys.You are required to create the following tables in a database named SICKLEAVE:EMPLOYEESEMPLOYEE_ID VARCHAR(5) NOT NULL PRIMARY KEYEMPLOYEE_NAME VARCHAR(30) NOT NULLEMPLOYEE_SURNAME VARCHAR(30) NOT NULLDATE_OF_BIRTH DATE NOT NULL DOCTORSDOCTOR_ID VARCHAR(5) NOT NULL PRIMARY KEYDOCTOR_NAME VARCHAR(30) NOT NULL EMPLOYEE_SICKLEAVEEMPLOYEE_ID VARCHAR(5) NOT NULL PRIMARY KEYFOREIGN KEY REFERENCESEMPLOYEES(EMPLOYEE_ID)START_DATE DATE NOT NULL PRIMARY KEYDOCTOR_ID VARCHAR(5) NOT NULLNUMBER_OF_DAYS SMALLINT NOT NULLDatabase Schema The schema for the Ch07_FACT database is shown below and should be used to answer the next several problems. Click this image to view it in its own tab. FIGURE P7.56 THE CH07_FACT ERD CHECKOUT PATRON PK Check Num PK Pat ID FK1 Book_Num FK2 Pat_ID Check_Out_Date Check_Due_Date Check_In_Date >0-----H- Pat_FName Pat LName Pat_Type BOOK AUTHOR PK Book_Num PK Au ID Book_Title Book_Year Book_Cost Book_Subject FK1 Pat_ID Au_FName Au_LName Au_BirthYear WRITES PK,FK1 Book Num PK,FK2 Au ID The CIS Department at Tiny College maintains the Free Access to Current Technology (FACT) library of e-books. FACT is a collection of current technology e-books for use by faculty and students. Agreements with the publishers allow patrons to electronically check out a book,
- You are required to create the following tables in a database named SICKLEAVE:EMPLOYEESEMPLOYEE_ID VARCHAR(5) NOT NULL PRIMARY KEYEMPLOYEE_NAME VARCHAR(30) NOT NULLEMPLOYEE_SURNAME VARCHAR(30) NOT NULLDATE_OF_BIRTH DATE NOT NULLDOCTORSDOCTOR_ID VARCHAR(5) NOT NULL PRIMARY KEYDOCTOR_NAME VARCHAR(30) NOT NULLEMPLOYEE_SICKLEAVEEMPLOYEE_ID VARCHAR(5) NOT NULL PRIMARY KEYFOREIGN KEY REFERENCESEMPLOYEES(EMPLOYEE_ID)START_DATE DATE NOT NULL PRIMARY KEYDOCTOR_ID VARCHAR(5) NOT NULLNUMBER_OF_DAYS SMALLINT NOT NULL(20)Q.1.2 Populate the tables created in Q.1.1 with the following data:EMPLOYEESEMPLOYEE_ ID EMPLOYEE_NAME EMPLOYEE_SURNAMEDATE_OF_BIRTHI0001 Dominique Woolridge 1993-04-19I0002 Nico Baird 1991-11-19I0003 Derek Moore 1992-06-24I0004 Neo Petlele 1993-12-29I0005 Andrew Crouch 1994-01-30DOCTORS(10)Question 2 (Marks: 20)Q.2.1 Write a query that will display doctors' names that have not issued any doctor’scertificates to employees yet.Sample Results:DOCTOR_NAMEJulia Robbins(5)DOCTOR_ID…in sql You define a PRIMARY KEY constraint on the EMP_ID column for a table named EMPLOYEES that you created Which actions occur automatically? Select one: a. A CHECK constraint is defined on the EMP_ID column. b.A unique index is created on the EMP_ID column, if one does not already exist c.A trigger is created that will prevent NULL values from being accepted in the EMP_ID column. d. A sequence is created that will generate a unique value in the EMP_ID column for each row that is inserted into the CUSTOMERS table.The relational schema shown below is part of a hospital database. The primary keys are highlighted in bold. Patient (patientNo, patName, patAddr, DOB)Ward (wardNo, wardName, wardType, noOfBeds)Contains (patientNo, wardNo, admissionDate)Drug (drugNo, drugName, costPerUnit)Prescribed (patientNo, drugNo, unitsPerDay, startDate, finishDate) for CONTAINS nad PRESCRIBED table , which one is primary key and how to create table ?
