Basic SQL Interview Questions for Freshers 1. What is the difference between a primary key and a unique key? Primary Key: The primary key is used to uniquely identify every record in a table. It ensures that NULL values are not present in the table. Unique Key: Unique key also identifie...
PostgreSQL Basic Interview Questions for Freshers 1. What is PostgreSQL? PostgreSQL, commonly referred to as Postgres, powers applications with its robust and open-source relational database management system. Developers leverage its extensive features, such as Function Overloading and Table Inheritance,...
Evidently, the demand for T SQL professionals is quite high and so is the competition. We assure you that once you go through this blog, you will get an idea of how to go about the interview. For making the entire process a whole lot easier, we have divided the questions into three c...
Ans:For the purpose of controlling database changes, PostgreSQL employs the idea of a "transaction." A series of one or more SQL statements that are executed as a single piece of work is known as a transaction. Since every transaction is atomic, it can either be fully committed or totally...
Top Sql Server Interview Questions and their answer with examples (Part 3) Hi friends, Here we will look into various Interview questions which are common and frequently asked in Interviews. Hope it benefits for freshers.
Top 50 MySQL Interview Questions and Answers for freshers and experienced MySQL developers.3.9k 0 0 MySQL Share Join Techieclues community and access the complete membership experience. Register For Free 1. What are the features of MySQL? MYSQL is open-source, has very rich documentation, a ...
Oracle Interview Questions for Freshers Oracle interview questions for freshers are the typical questions that are asked in all companies. Here are some of them: 1) What do you know about our company? This question is generally asked by the interviewer or hiring manager at the beginning of the...
Welcome to Mindmajix - The leading global online training platform. If you're looking for Oracle PL SQL Interview Questions or Freshers, you are in the right place. There are a lot of opportunities from many reputed companies in the world.According to research,Oracle PL SQL has a market sha...
For experienced level software testing positions, the interview questions depend on the job requirement. For such positions, interviewers expect detailed database knowledge from the candidates. Note:If you get questions about database SQL queries, never say that “You get all query statements to be...
ElasticSearch Interview Questions and Answers for Freshers 1) What is Elasticsearch? Elasticsearch is aNoSQL database. It is based on the Lucene search engine, and it is built with RESTful APIS. It offers simple deployment, maximum reliability, and easy management. It also provides advanced querie...