Consider the following Database Schema. CUSTOMER INVOICE LNE PK CUs CODE PK INV MUMBER HDrerates PKFK1 MY NUMBER PK contains LINE MUMBER CUS LNAME cus FNAME CuS INITIAL CUS AREACODE CUs PHONE CUS BALANCE FK1 CUs_CODE INV DATE FIC2 P_CODE LINE UNITS LINE PRICE is found in VENDOR PRODUCT PK Y CODE PK PCODE V NAME V CONTACT V_AREACODE V_PHONE V_STATE V ORDER supplies P DESCRIPT PINDATE P_QOH P MIN P_PRICE P DISCOUNT FK1 V_CODE Write a SQL query to list all the products that do not have a vendor assigned.
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- 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…_&plase helo with Course: Database *(SQL)* Please excute the given SQL script (https://drive.google.com/file/d/1zxe_aOhERjVCL54_zbgSLkFTRHYQhOPW/view?usp=sharing) for accessing the data. The data is described in the following relation schemas: Airport (airportID, name, city) Passenger (ticketNo, name, nationality, flightNo, seatNo)FK: flightNo references Flight (flightNo)FK: seatNo references Seat (seatNo) Flight (flightNo, flightCompany, departAirport, arrivalAirport)FK: departAirport references Airport (airportID)FK: arrivalAirport references Airport (airportID) Seat (seatNo, flightNo, class)FK: flightNo references Flight (flightNo) #Construct the SQL statements based on following transactions:1. Retrieve all rows in Airport table for all the airports in London city.2. Retrieve all British and German passengers.3. Retrieve all names of all the passengers..You are given the following database schema:Sailors(sid, sname, rating, age)Boats(bid, bname, color)Reserves(sid, bid, day)Consider the join on Sailors ▷◁ Reserves and assume that you have the following statistics andlimitations: * You have available 9 pages in main memory.* Sailors: 100000 tuples, 1000 pages; Boats: 2000 tuples, 10 pages; Reserves: 110000 tuples,550 pages 1. Calculate the I/O cost of this join using the Block Nested Loop algorithm? 2. Calculate the I/O cost of sorting the Sailors relation?
- You are given the following database schema:Sailors(sid, sname, rating, age)Boats(bid, bname, color)Reserves(sid, bid, day)Consider the join on Sailors ▷◁ Reserves and assume that you have the following statistics andlimitations: * You have available 9 pages in main memory.* Sailors: 100000 tuples, 1000 pages; Boats: 2000 tuples, 10 pages; Reserves: 110000 tuples,550 pages 1. Calculate the I/O cost of this join using the Block Nested Loop algorithm?What are the four basic types of operations for a database application? a. Insert, Select, Update, and Delete b. Insert, Update, Delete, and Create c. Insert, Update, Delete, and Render d. Insert, Select, Update, and Render If stringa="Good Morning", what is the value of stringa[1:5]? a. "Good " b. "ood " c. "Good" d. "ood M" The instance that “a survey respondent in service occupation (x) is less likely to report income ” is an example of __________ . a. Missing completely at random. b. Missing at random. c. Missing not at random. d. None of the above.Create a MYSQL Database named 'db'Create a MYSQL User named 'dbuser' with a password 'dbpass' Grant Insert, Delete, Update and Select privileges for 'dbuser' on 'db' Create a MYSQL Table on database 'db' and name it as 'students' with the following field and field propertiesField Name Field Type Field Size Additional İnformationStudent No Varchar 6 Primary keyName Varchar 20 Surname Varchar 25 birthdate date
- Consider the following PL/SQL script: SET SERVEROUTPUT ON BEGIN INSERT INTO COURSE (course_no, description, created_by, created-date, modified_by, modified_date) VALUES (course_no_seq.nextval, ‘database development’, USER, SYSDATE); COMMIT DBMS_OUTPUT.PUT_LINE (‘One course has been added’); END; Assumptions: All the COURSE table fields have check constraints defined on them indicating that none can be null. Explain why the script does not execute successfully. Add a user-defined exception to the script, so that the error generated by the INSERT statement is handled. Assign the code 2290 to this exception.In a database, there are values a data element can take, and there are values it cannot take. In other words, data element values should be within correct ranges. For example, ages of employees should be between 18 and 80. Which one of the following database features ensures that? a) Security b) Data Integrity c) Data Sharing d) Concurrency Control e) Data Independence Which one/ones of the following uniquely distinguishes the tuples of a relation? a) primary key b) super key c) candidate key d) alternate key e) foreign key f) a, c, and e g) a, b, c, d, and e. h) a, b, c, and d. Which one(s) of the following may exist more than once for a relation? a) primary key b) super key c) candidate key d) alternate key e) foreign key f) a, b, and c g) b, c, and d h) b, c, d, and e h) a, b, c, and d. i) a, b, c, and e j) a, b, c, d, and e. In the…1.14) Update anomalies are known as insertion anomalies, deletion anomalies, and modification anomaliesTrue False 1.15) A well-designed database can handle both OLTP and OLAP operations efficientlyTrue False 1.16) Database engine uses statistics to generate estimated execution plans then picks the best oneTrue False
- 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 saaYou are given a database - MGMT2006_202324S02_Boutique Inc Student File.accdb, containing Currencies, Sales, and Locations tables to provide some results for MGMT Boutique INC. (That is, your CC will provide you with the database). You should: 1. Rename the database as MGMT2006_Boutique_ is your actual name. 2. Create relationships between pairs of tables and enforce referential integrity 3. Append two (2) new customers, two (2) old customers and two (2) new POS transactions. Be sure to include sales for your two new customers. 4. Create the following queries: a. List the names of places from which the company sells. Show all columns in the table. Name this query Q1-SELLING-LOCATIONSThe Ch07_LargeCo database stores data for a company that sells paint products . The company tracks the sale of products to customers . The database keeps data on customers (LGCUSTOMER), sales (LGINVOICE), products (LGPRODUCT), which products are on which invoices (LGLINE), employees (LGEMPLOYEE), the salary history of each employee (LGSALARY_HISTORY), departments (LGDEPARTMENT), product brands (LGBRAND), vendors (LGVENDOR), and which vendors supply each product (LGSUPPLIES). Some of the tables contain only a few rows of data , while other tables are quite large : for example , there are only eight departments , but more than 3300 invoices containing over 11000 invoice lines . For Problems 28-55 , a figure of the correct output for each problem is provided . If the output of the query is very large , only the first several rows of the output are shown .