When is it fair to declare that two select statements from the same table are union compatible?

Q: Fill-in-the-Blank Two or more functions may have the same name, as long as their _________ are…

A: Two or more functions may have the same name, as long as their parameter lists are different. This…

Q: What is the output of the following switch statement? int month = 6; %3D switch (month) { case 0:…

A: Syntax switch(expression) {  case x:    // code block    break;  case y:    // code block    break;…

Q: Q/ Put a check mark in front of the correct statement and a false mark in front of the incorrect…

A: A)  Here every DFA is same as NFA.  Therefore the given statement is True. Computational power is…

Q: Which of the following statement is false

A: A regular language is a language that can be expressed with a regular expression or a deterministic…

Q: In what circumstances is it fair to claim that two select statements from the same table are union…

A: You can apply UNION operator between two SELECT statements only if two statements select the equal…

Q: What distinguishes the continue and break statements from one another?

A: The main distinction between a break and continue statement in C is that a break statement causes…

Q: functions

A: Given :- A code fragment is given in above question and the programming language used is python…

Q: 7. Operators with the same precedence are evaluated in which manner? a) Left to Right b) Right to…

A: operator with same precedence are evaluated from left to right for example: +,- operators have same…

Q: if other functions are defined before main, the program still execute from start of the program? Do…

A: Answer: Yes if we defined other functions before main, the program still executes from the start of…

Q: Explain why each of the following MOV statements are invalid .data

A: Error 1: mov ds,5 Reason: Immediate move of a value 5 to destination ds is not permitted

Q: Question 3) Write a program that perfoms all arithmetic operations using switch statement by taking…

A: EXPLANATION - A program is created .  Create a variable of type character to take choice as an…

Q: How is it possible for two select statements from the same table to simultaneously fulfil the…

A: Inspection: If both tables contain the same number of characteristics (columns) and the same data…

Q: Which directive marks the end of a conditional block of statements?

A: To end the statement of a conditional block, the directive used is .eb.

Q: Which of the following statements are true? (More than one statement may be true.)

A: Required:

Q: Please fill in the blanks for the following statements: ______________ specify additional…

A: Actually, the list of parameters specify additional information functions need to perform their…

Q: What does function pow do? Which header file must be included to use the function pow?

A: Function pow The pow function is called the power function. The pow () function is used to find the…

Q: In what situations does it make sense to say that two select statements from the same table are…

A: Introduction: Union compatibility is achieved when both tables contain the same amount of attributes…

Q: Which of the following statements is NOT correct about functions?

A: Java is a programming language. It contains extensive libraries (package). It can be used to create…

Q: What values will be printed after the following statements execute?

A: Initially, apples=15 bananas=4 pears=10 oranges=18 strawberries=20

Q: it says do not use continue in the question

A: The required program in python without continue statement is :  v=0…

Q: List all of the circumstances in which calling inline functions will not provide the desired…

A:

Q: Which of the following statement does not violate any rules of DFD?

A: Solution: The rules of DFD are as follows :- A source or sink(external agent) can't provide data to…

Q: What use does function pow serve? Which header file must be included to use the function pow?

A: C language has many built-in files that contain different function definitions. The math. h header…

Q: Which of the following statements is correct? To raise the value of a variable, use increment; to…

A: Given: Which of the following statements is correct? To raise the value of a variable, use…

Q: Which one of the following statement is used along with the DISABLE clause?

A: EXPLANATION:- Connect to the Database. From the standard bar, click "new query". Now execute the…

Q: Given the following code segment, what will be the value of the variable "Val"  after executing the…

A: The indexOf() method returns the position of the first occurrence of specified character(s) in a…

Q: What is the value of result after line 6 of the code executes?

A: In this question, a code segment is given and we are asked to answer the value of result at the end…

Q: Symbolize the following statement in P (include key) "Some fish are blue and tired"

A: Solution:

Q: Which of the following statement is incorrect?

A: Lets see the solution.

Q: c. Ask the user to enter upper limit and lower limits.

A: Objective: The program should be created to receive user input from the user. The inputs are read…

Q: What is the Post-Fix expre expression? a+b*(c^d-e)^(f+g*h)-i

A: Infix articulations are lucid and resolvable by people. We can undoubtedly recognize the request for…

Q: What is true about stored procedures and functions? (a) Procedures return value using return…

A: Answer: Procedures do not return value using return statement while functions do. Hence, option “b”…

Q: Which of the following statement is true

A: 1.  goto statement are not harmful it is not easy to understand for high level programmer. 2. As…

Q: SELECT Name, Dept, Salary FROM students WHERE name LIKE ´_a%' AND salary IS NOT NULL; Which of the…

A: I am going to answer both the question. In First SQL query we are using wild card like which is…

Q: What exactly is the point of using the break keyword?

A: Break keyword is often used inside loops control structures and switch statements. It is used to…

Q: difference between break and continue statement? Explain with the help of example

A: The major difference between break and continue is that break will get you out of loop where as…

Q: When is it appropriate to declare two select statements from the same table to be union compatible?

A: Introduction: This method obtains all of the rows in each table while also removing duplicates.

Q: Which statement performs overwriting .2 * ?assignment

A: The answer is

Q: What is the difference between continue and break statement?

A: INTRODUCTION: Like the break statement, continue is a loop control statement. The continue…

Q: What is the use of default statement in Switch ()?

A: Given To know the use of default in switch case.

Q: Explain the difference between invoking a Sub procedure and invoking a function.

A: The difference between invoking a Sub procedure and invoking a function is explained below:

Q: What is the function of raise statement? What are its two arguments?

A: raise statemnt is used to raise exceptions/errors. The raise statement raises an error and stops the…