Landing a job that requires SQL skills often means preparing for a challenging interview. SQL is a foundational technology for database management, so employers test candidates on various concepts ranging from basic to advanced-level queries. This blog covers common SQL interview questions and their ...
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...
Basic SQL JOINS Interview Questions and Answers for Freshers 1. What is SQL JOINS? The SQL JOIN component joins rows from one or more tables in a relational database. Create sets that can be stored in tabular form or used routinely. JOIN is to combine columns from one table or multiple ...
The following are the most popular and useful SQL interview questions and answers for fresher and experienced candidates. These questions are created specifically to familiarise you with the types of questions you might encounter during your SQL interview. According to our experiences, good interviewers ...
SQL is an important tool in a number of careers. Our expert lays out some of the most common questions you can expect in an SQL interview.
Query 1: Write a query to create the table in Structured Query Language. ADVERTISEMENT ADVERTISEMENT Sol: ADVERTISEMENT ADVERTISEMENT Syntax to Create a Table in SQL: CREATETABLEtable_name ( column_Name1 data type (sizeofthecolumn), column_Name2 data type (sizeofthecolumn), ...
answers segregated into basic, intermediate and advanced. Depending on the level of experience, candidates can get a different mix of basic and advanced SQL interview questions. For hiring managers as well, these questions can serve as a handy reference to gauge the right candidate for their ...
This post will undoubtedly give you some insights if you’re looking for questions and answers to use while you prepare for a SQL interview. In a job interview for a data engineer, data analyst,database administrator, etc., the following questions should be expected. ...
Basic SQL Server Interview Questions Let's start with some foundational questions that you're likely to encounter early in the interview process. What is SQL Server? SQL Server is a relational database management system (RDBMS) developed by Microsoft, designed to efficiently store, retrieve, and ...
This blog on SQL Interview Questions and Answers is intended to help you through a variety of SQL questions based on topics such as MS SQL Server, MySQL.