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- What is the maximum number of select statements that may be combined from a single table?Which of the following is correct? (refer to the tables in the JustLee Books database.)a. A group function can be nested inside a group function.b. A group function can be nested inside a single-row function.c. A single-row function can be nested inside a group function. d. a and be. a, b, and cWhich of the following is correct? (refer to the tables in the JustLee Books database.)a. A group function can be nested inside a group function.b. A group function can be nested inside a single-row function.c. A single-row function can be nested inside a group functiond. d. a and be. a, b, and c
- Write a stored procedure which receives a department name(p_depName) as input, and displays the list of courses ' names for the specified department nameGiven names Student Surname Year M Takes Student ID Semester Date of birth Mark Year enrolled Course Course name age courselD Write DDL statements to create the tables on this figure (convert er diagram to DDL statements). 2. Write Queries for the following: 1. a. Insert the sample data into the tables(at least 4 rows in each tables).Insert, Update, and Delete statements can be referred to as blank queries. a result b select c database d action
- 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.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 6The Movie table has the following columns: ID - integer, primary key Title - variable-length string Genre - variable-length string RatingCode - variable-length string Year - integer Write a SELECT statement to select the year and the total number of movies for that year. Hint: Use the COUNT() function and GROUP BY clause. NOTE: Starter code has been provided. Simply change the blanks ("_") to the appropriate entity/value.
- create a table job_history including columns employee_id,start_date,end_date,jobname and department name and make sure that the employee_id column doesnot contain any duplicate value.write a Java program to insert atleast four records.by using prepared statement display job name and department name corresponding to a particular year.calculate_new_balance Given a starting balance (a number), and a list of transaction tuples, calculate the final balance for an account. Transaction tuples are of the shape ("description", amount, "withdrawal") , or ("description", amount, "deposit"). The last entry in the tuple will be either "withdrawal" or "deposit". Every withdrawal decreases the balance of the account by the specified amount, and every deposit increases the balance. The return value is the new account balance, as a number. (which could be negative) Sample calls should look like: >>> calculate_new_balance(100, [("payday", 20, "deposit"), ("new shoes", 50, "withdrawal"), ("illicit winnings", 200, "deposit")])270>>> calculate_new_balance(100, [])100**In SQL** Write a SELECT statement that returns these columns: InstructorDept The DepartmentName column from the Departments table for a related instructor LastName The LastName column from the Instructors table FirstName The FirstName column from the Instructors table CourseDescription The CourseDescription column from the Courses table CourseDept The DepartmentName column from the Departments table for a related instructor Return one row for each course that’s in a different department than the department of the instructor assigned to teach that course. (Hint: You will need to join the Departments table to both the Instructors table and the Courses table, which will require you to use table aliases to distinguish the two tables.)