id in Company references id in Corporation. cid in Department references cid in Company. Each option starts from the original tables (given above) NOT from the tables modified by the previous option You don't need to copy the entire table. Just explain the action of each operation. (d) Suppose that all the foreign keys are declared using on delete restrict. What is the effect of the instruction delete from Company where cid=2?
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- The following three tables make up a simple reservation system for a small campground. The database should allow for a camper to make multiple reservations for future dates and for a camping spot to have several reservations for upcoming visits. Table: Camper CAMPER_NUMBER 1000 1001 1002 1003 CAMPER_LAST_NAME Jones Schmidt Williams Cooper CAMPER_FIRST_NAME Jamie Pat Clifford Amanda CAMPER_ADDRESS 1278 Essex Pl 4954 Spangled Way 956 Segull Lane P. O. Box 998877 CAMPER_CITY Birmingham El Paso Portland Portsmouth CAMPER_STATE AL TX ME OH CAMPER_ZIP_CODE 45251 79919 4108 45662 CAMPER_DRIVERS_LICENSE JJ998743-98 87632434 WIL885123 765A876B897 CAMPER_EMAIL jjones@somewhere.com patwonderfu34l@nowhere.net williams98342@foomail.com coopera@nowhere.net Table: Spot SPOT_NUMBER 101 102 103 104 SPOT_NAME The Pines The Glade Teardrop Spot Tent In Trees SPOT_LENGTH 55 50 20 0 SPOT_PULLTHRU 1 0 0 0 SPOT_ELECTRIC_AMPS 50 50 20 0…The following three tables make up a simple reservation system for a small campground. The database should allow for a camper to make multiple reservations for future dates and for a camping spot to have several reservations for upcoming visits. Table: Camper CAMPER_NUMBER 1000 1001 1002 1003 CAMPER_LAST_NAME Jones Schmidt Williams Cooper CAMPER_FIRST_NAME Jamie Pat Clifford Amanda CAMPER_ADDRESS 1278 Essex Pl 4954 Spangled Way 956 Segull Lane P. O. Box 998877 CAMPER_CITY Birmingham El Paso Portland Portsmouth CAMPER_STATE AL TX ME OH CAMPER_ZIP_CODE 45251 79919 4108 45662 CAMPER_DRIVERS_LICENSE JJ998743-98 87632434 WIL885123 765A876B897 CAMPER_EMAIL jjones@somewhere.com patwonderfu34l@nowhere.net williams98342@foomail.com coopera@nowhere.net Table: Spot SPOT_NUMBER 101 102 103 104 SPOT_NAME The Pines The Glade Teardrop Spot Tent In Trees…In this database we have users that can be two types students or instructors. They have groups and memberships. Any user can post and the post type can be video, photo or text. Here is the table structure: CREATE TABLE USER_ ( USER_ID INT NOT NULL AUTO_INCREMENT, CREATE_DATE DATE NOT NULL, PROF_DESC VARCHAR (100), PROF_PIC VARCHAR(40), LOCATION VARCHAR (40) NOT NULL, PRIMARY KEY (USER_ID) ); CREATE TABLE USER_INFO( USER_ID INT NOT NULL, SU_EMAIL CHAR(18), USER_FNAME VARCHAR(15), USER_LNAME VARCHAR (15), USER_DOB DATE, USER_GENDER CHAR(1), PRIMARY KEY (USER_ID), FOREIGN KEY (USER_ID) REFERENCES USER_(USER_ID) ON UPDATE CASCADE ); CREATE TABLE STUDENT ( SU_ID INT NOT NULL, USER_ID INT NOT NULL, YEAR_ VARCHAR (10), MAJOR VARCHAR (20), LOCATION VARCHAR (40) NOT NULL, PRIMARY KEY (SU_ID), FOREIGN KEY (USER_ID) REFERENCES USER_(USER_ID) ON UPDATE CASCADE ); CREATE TABLE INSTRUCTOR ( SU_ID INT NOT NULL, USER_ID INT NOT NULL, DEPARTMENT VARCHAR (40), INSTR_TYPE VARCHAR (40),…
- In this database we have users that can be two types students or instructors. They have groups and memberships. Any user can post and the post type can be video, photo or text. Here is the table structure: CREATE TABLE USER_ ( USER_ID INT NOT NULL AUTO_INCREMENT, CREATE_DATE DATE NOT NULL, PROF_DESC VARCHAR (100), PROF_PIC VARCHAR(40), LOCATION VARCHAR (40) NOT NULL, PRIMARY KEY (USER_ID) ); CREATE TABLE USER_INFO( USER_ID INT NOT NULL, SU_EMAIL CHAR(18), USER_FNAME VARCHAR(15), USER_LNAME VARCHAR (15), USER_DOB DATE, USER_GENDER CHAR(1), PRIMARY KEY (USER_ID), FOREIGN KEY (USER_ID) REFERENCES USER_(USER_ID) ON UPDATE CASCADE ); CREATE TABLE STUDENT ( SU_ID INT NOT NULL, USER_ID INT NOT NULL, YEAR_ VARCHAR (10), MAJOR VARCHAR (20), LOCATION VARCHAR (40) NOT NULL, PRIMARY KEY (SU_ID), FOREIGN KEY (USER_ID) REFERENCES USER_(USER_ID) ON UPDATE CASCADE ); CREATE TABLE INSTRUCTOR ( SU_ID INT NOT NULL, USER_ID INT NOT NULL, DEPARTMENT VARCHAR (40), INSTR_TYPE VARCHAR (40),…Our MongoDB database consists of a ‘class’ collection in which documents represent students and have fields ‘name’, ‘age’ and ‘address’. The value of the field ‘address’ is an embedded document with fields ‘number’, ‘street’ and ‘city’. How would you query documents for students from Belfast? a. db.class.find ( { “class.address.city”: “Belfast” } ) b. db.class.find ( { city: “Belfast” } ) c. a) db.class.find ( { “address.city”: “Belfast” } ) d. db.class.find ( { “class.city”: “Belfast” } ) NoSQL is an umbrella term for several databases. These are typically used to address problems with what type of database. a. Object-oriented databases b. XML files c. Relational Databases d. SpreadsheetsGiven the relational database shop defined in the script below; create database shop;use shop; create table users( id int null auto_increment, firstname varchar(255), lastname varchar(255) not null, primary key (id)); create table items( id int null auto_increment, name varchar(255), price float, primary key (id)); create table orders( id int null auto_increment, id_users int not null, id_items int not null, primary key (id), foreign key (id_users) references users(id), foreign key (id_items) references items(id)); write three SQL queries to answer the following questions 1.- All products(items) in the shop catalog; product code, name and price 2.- Products sold in the shop; product code, name and price and full name of buyer. 3.- Products in stock (not sold); product code, name and price
- Part A: MySQL Query/Exec Create StudentsDB database in MySQL server with the following table: Table: Students uid int, Primary Key, Auto Increment studentID varchar(8), Unique name varchar(50) major varchar(50) passedCredits int CGPA float Implement the following PHP scripts as required below: php: the script should display student’s info (StudentID, name, major, credits passed and CGPA) in HTML table with appropriate title for each column. Student cells/rows should be highlighted as follows: Condition Highlight Color Student At Risk: CGPA < 2.0 Red for CGPA Cell Expected to graduate: Passed Credits >=115 Yellow for Passed Credits Cell Outstanding Student: CGPA = 3.5 or above Green for the entire Student Row php: This script should display all students’ names and major. Each student will be identified by a checkbox (define the checkbox name as a numeric array holding the uid). The…create Database CTU_YOURICASNOGOUSE CTU_YOURICASNO;GOCREATE TABLE Course( CourseID int PRIMARY KEY, CourseName varchar(255), CourseDesc varchar(255),);CREATE TABLE Students( ICASNo int Primary Key, StudentName varchar (255)NOT NULL, StudentSurname varchar (255)NOT NULL, StudentContact varchar (255)NOT NULL, StudentEmail varchar(255)NOT NULL, HighSchoolAttended varchar(255)NOT NULL, courseID int,);CREATE TABLE Semester( SemesterID int Primary Key, SemesterStartDate varchar(255)NOT NULL, SemesterEndDate varchar(255)NOT NULL, ICASNo varchar(255),);CREATE TABLE Facilitator( FacilitatorID int Primary Key, FacilitatorName varchar(255) Not Null, FacilitatorContact varchar(255)Not Null, FacilitatorEmail varchar(255)Not Null, ICASNo varchar(255)Not Null, ); CREATE TABLE Module( ModuleID int Primary Key, ModuelName varchar(255)Not Null, ModuleDuration varchar(255)Not Null, FacilitatorID varchar(255)Not Null,); Using the…in mysql Take a picture of the inputs and outputs Create a user with the name IS Sead and password a789 and give him permission to connect to the databaseCreate a role function that includes allowing to create a table and create a view and then granting that function to the Sead . user Make the sead user give permission to query and enter on the student table for all users in the databaseHave the user sead withdraw the entry on the student table from user saa
- Write a PHP application that creates a class that allows connection to a specific MySQL database, allowing the specification (by setting some properties) of the location server, user, password, and database name. Give a example of instantiating it (creating an object) and using it in an application with a MySQL tableTrue/False 8. Matrix algebra is a theoretical way of manipulating a database. 9. The union of tables A and B is a table containing all rows that are in either table A or table B or in both table A and table B. 10. The intersection of two tables A and B is the set of all rows that are in table A but that are not in table B.A database has 4 transactions, shown below.TID Date items_boughtT100 10/15/04 {K, A, D, B}T200 10/15/04 {D, A, C, E, B}T300 10/19/04 {C, A, B, E}T400 10/22/04 {B, A, D}Assuming a minimum level of support min_sup = 60% and a minimum level ofconfidencemin_conf = 80%:(a) Find all frequent itemsets (not just the ones with the maximum width/length) using the Apriori algorithm. Show your work—just showing the final answer is not acceptable. For each iteration show the candidate and acceptable frequent itemsets. You should show your work similar to the way the example was done in thePowerPoint slides.(b)List all of the strong association rules, along with their support and confidence values, whichmatch the following metarule, where X is a variable representing customers and itemi denotes variables representing items (e.g., “A”, “B”, etc.).x transaction, buys(X, item1) buys(X, item2) buys(X, item3)Hint: don’t worry about the fact that the statement above uses relations. The point of the…