Gateway for Preparing Interviews
What is functional Dependency? Functional Dependency is the starting point of normalization. It exists when a relation between two attributes allow you to determine the corresponding attribute’s value uniquely. The functional dependency is also known as database dependency and defines as the relationship which occurs when one attribute in a relation uniquely determines another attribute. … Read more
How does the Scrum Master serve the organization? By helping in Scrum adoption in the organization. Acting as a catalyst and change agent for Scrum adoption in Org. Catalyzing changes that can help the team, be more productive sprint by sprint. Fostering culture of continuous improvement sprint by sprint in team and organization. Supporting Agile … Read more
How to stop the execution of PHP script? The exit() function is used to stop the execution of PHP script. How to read a file in PHP? PHP provides various functions to read data from the file. Different functions allow you to read all file data, read data line by line, and read data character … Read more
What are you most proud of? Possible Answer #1: “It is yet to come. The day I land my first job in a reputed company such as yours, will be my proudest achievement. That moment is still pending.” Possible Answer #2: “I am very proud of how I helped ABC company set up successful sales … Read more
What are MDI and SDI? MDI( Multiple Document Interface): An MDI lets you open multiple windows, it will have one parent window and as many child windows. The components are shared from the parent window like menubar, toolbar, etc. SDI( Single Document Interface): It opens each document in a separate window. Each window has its … Read more
What is a Sitemap? A sitemap refers to the map of a website. It is the detailed structure of a site that includes different sections of your site with internal links. What are some techniques of Black Hat SEO? Keyword Stuffing: The search engines study the keywords included in a webpage to index the webpage or … Read more
What is a Session? Can you share a session object between different threads Session is a light weight and a non-threadsafe object (No, you cannot share it between threads) that represents a single unit-of-work with the database. Sessions are opened by a SessionFactory and then are closed when all work is complete. Session is the … Read more
What are the security alerts while using MySQL? Install antivirus and configure the operating system’s firewall. Never use the MySQL Server as the UNIX root user. Change the root username and password Restrict or disable remote access. What is the difference between the database and the table? There is a major difference between a database … Read more
What is Time series? A Time series is a sequence of numerical data points in successive order. It tracks the movement of the chosen data points, over a specified period of time and records the data points at regular intervals. Time series doesn’t require any minimum or maximum time input. Analysts often use Time series … Read more
How will you fix the above racing issue This can be fixed a number of ways. Option 1: Method level synchronization. This is the simplest. As you can see, the increment() method is synchronized, so that the other threads must wait for the thread that already has the lock to execute that method. import java.util.HashMap; import … Read more