Question
What approximate value should come in the place of
question mark in the following questions? (98.6% of 405.4) − (29.8 × 9.7) = ?Solution
ATQ, 98.6% of 405.4 ≈ 99% of 405 ≈ 401 29.8 × 9.7 ≈ 30 × 10 = 300 Required ≈ 401 − 300 = 100
A relation is in 2NF if:
Which layer of the OSI model handles logical addressing and routing?
What is a table joined with itself called?
An SQL `VIEW` is a:
Which type of join returns rows when there is a match in both tables?
Which of the following commands are used to put a restriction on the number of rows returned from a query?
Which SQL command is used to remove a table from the database?
Consider the following Java code snippetÂ
public class Car {
  private String model;
  private int year;
  publ...
Which of the following is a property of a relational database?
Given a relation R(A, B, C, D, E) and functional dependencies {A -> B, BC -> D, D -> E}. Which of the following is a candidate key for R?
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