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- King LPAD Select the letter of the correct output of the given SQL statement below: SELECT TO_CHAR(123456,'00099') FROM DUAL; O a. ###### O b. 000123456 O c. 123456 O d. ##### What will be the datatype of the result of the following oneration?Execute the following statements using MYSQL: 1.Create a Trigger "trigger regno" for the salesman table (Before INSERT) set the value as O for the experience > 7 and evaluate it. Also write the syntax to drop the Trigger "trigger regno* 2. Insert a value for Customer table (#Last 3 digit of your register no, #Your name, Vellore, 55, 010). Insert a value for salesman table ("10", #Your name, 5, 4000). 3. List out the number of customers in each city by arranging them from low to high. ( 4. Select all the salesman who's work experience is between 4 and 8.Chapter 16 How to manage transactions and locking Excercises using the My Guitar Shop Database Use Microsoft SQL Server Write a script that includes these statements coded as a transaction: INSERT Orders VALUES (3, GETDATE(), '10.00', '0.00', NULL, 4, 'American Express', '378282246310005', '04/2019', 4); SET @OrderID = @@IDENTITY; INSERT OrderItems VALUES (@OrderID, 6, '415.00', '161.85', 1); INSERT OrderItems VALUES (@OrderID, 1, '699.00', '209.70', 1); Here, the @@IDENTITY variable is used to get the order ID value that’s automatically generated when the first INSERT statement inserts an order. If these statements execute successfully, commit the changes. Otherwise, roll back the changes.
- When writing queries in a programming language, why should we avoid creating a query by concatenating strings and instead use prepared statements or stored procedures in defense against SQL injection? a. concatenating strings helps prevent sql injection b. prepared statements or stored procedures help prevent the user/hacker from deliberately modifying the query by injecting sql instructions in the input values c. prepared statements prevent the query from taking as long to execute d. prepared statements enable the developer to just supply values without injecting sqlDevelop a C++ program to connect to a MS Access database (“Student.accdb” – attached to this assignment) and use SQL commands to manipulate its records. You may use MS Access, SQLite or another DB engine and drivers. Scope The user will be given a menu to choose from the following options: Press (S) to select and display all students records Press (D) to delete a student by ID# Press (U) to update a student’s graduation year Press (I) to insert a new student Press (Q) to quit For user option# 1, first display the header and then display every record on a separate line. See example below Student ID First Name Last Name Major Graduation Year 1 Joe Doe Computer Science 2018 2 Emma Smith Electrical Engineering 2019 3 Juan Perez Marketing 2019 For user option#2, confirm back to the user whether the deletion was successful or the ID provided was not found in the students records. For user option#3, prompt the user to enter a student ID, validate if the student ID exists…For the following database scheme Employee(empNo,fName.IName.address.DOB.sex,position.deptNo) Department(deptNo.deptName,mgrEmpNo) Project(projNo.projName,deptNo) WorksOn(empNo.projNo.dateWorked,hoursWorked) Write an SQL statement to find all the details of employees who are female
- Consider a database with the following tables: v Patient(PatientID. PatientName, NumberOfVisits) v Doctor(DoctorID, DoctorName) v Appointment(ApplD, DoctorID, PatientID. Date, time) Write SQL statements or the necessary steps that do the following: a) Write the SQL statements required to create the above tables. You have to choose the best data type for each column, and all necessary keys (primary and foreignDatabase: CUSTOMER (CustomerID, LastName, FIrstName, Phone, EmailAddress) PURCHASE (InvoiceNumber, InvoiceDate, PreTaxAmount, CustomerID) PURCHASE_ITEM (InvoiceNumber, InvoiceLineNumber, Item Number, RetailPrice) ITEM (ItemNumber, ItemDesciption, Cost, ArtistLastName, ArtistFirstName) Write an SQL statement to show which cutomers bought which items, and include any items that have not been sold. Include CUSTOMER.LastName, CUSTOMER.FirstName, IvoiceNumber, InvoiceDate, ItemNumber, ItemDescription, ArtistLastName, and ArtistFirstName,. Use a join using JOIN ON syntax, and sort the results by ArtistLastName and ArtistFirstName in ascending order. Note that in Microsoft Access this require multiple queries. From Database Concepts 9th Ed. (Kroenke)QUESTION 7 The -------- section in PL/SQL block addresses two situations: either an oracle error is raised or a user-defined error is raised. O A. Declare B. Exception С. Вegin D. End QuE CTIONL
- Use My Guitar Shop Database Use Microsoft SQL Server Write a script that includes these statements coded as a transaction: INSERT Orders VALUES (3, GETDATE(), '10.00', '0.00', NULL, 4, 'American Express', '378282246310005', '04/2019', 4); SET @OrderID = @@IDENTITY; INSERT OrderItems VALUES (@OrderID, 6, '415.00', '161.85', 1); INSERT OrderItems VALUES (@OrderID, 1, '699.00', '209.70', 1); Here, the @@IDENTITY variable is used to get the order ID value that’s automatically generated when the first INSERT statement inserts an order. If these statements execute successfully, commit the changes. Otherwise, roll back the changes.PATHS is a table that contains information about paths on a number line. The structure of PATHS is as follows, where x1 and x2 represent that there is a path from Coordinate x1 to Coordinate x2 (You can't move from Coordinate x2 to Coordinate x1 ). NAME ΤΥΡE NULLABLE X1 INT FALSE X2 INT FALSE Problem Please write an SQL statement that returns the beginning and end point of each path in PATHS . Sort them by the value of the beginning point in ascending order. Constraints • In the case where a direct path from Coordinate a to Coordinate b is available, no path from Coordinate b to Coordinate a will be given. |x1-x2| = 1 • No path will overlap with one another. Example Suppose that PATHS is as follows: x1 x2 1 2 2 3 4 7 7 6 This table can be visualized as follows: START END END START 7 8. 9 Therefore, your SQL statement must return the following: start end 1 4 8 6Given the following relation: Book (BooklD, Author, ISBN, Title) Write a PL/SQL block of code that performs the following tasks: i. Read a Book id provided by user at run time and store it in a variable. ii. Fetch the Author and title of the book having the entered id and store them inside two variables i. Display the fetched book author and title. T TTF Paragraph Arial 3 (12pt) ABC T T, e HTML CSS O f. Mashups
