In my previous articles I have explained theSQL interview questions ,BI Interview questionswhich will give the best idea about the question that may ask in interview. In this article i will try to explain most important PL/SQL Interview Questions that may ask in interview.PL/SQL is the Proced...
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. What are the basic SQL ...
In this blog post, we will take a look at some of the most common sql query interview questions and give you some tips on how to answer them. So, whether you’re just starting out in your career or you’re preparing for an interview with a new company, read on for some helpful adv...
SQL or Structured Query Language helps in managing data in data management systems. There is a high demand for SQL programmers in the market. However, recruiters are looking for skilled and knowledgeable SQL developers and therefore, it is imperative to prepare SQL interview questions and answers w...
It’s always a good idea to test your queries on the actual database you’re using. Check the documentation for your database system if you run into any issues or need to make adjustments. If you have questions on any query, feel free to ask for help. We’ll guide you through it....
To delete records from a database To create new databases To create new tables in a database To create views in a database To perform complex operations on the database. 4) Does SQL support programming language features? SQL refers to the Standard Query Language. Therefore, it is true that...
Basic PL SQL Interview Questions for Freshers 1. Compare SQL and PL/SQL. CriteriaSQLPL/SQL What is it?A single query or command executionA full programming language What does it comprise?A data source for reports, web pages, etc.An application language to build, format, and display reports...
In addition, this questions and answers guide helps answer questions related to database design, query optimization, and security. By the end of this article, you will have a better understanding of the types of questions you should ask when interviewing a potential SQL Server candidate. General...
SubQuery is always executed first, and the result of subquery is passed on to the main query.What are the types of subquery?There are two types of subquery – Correlated and Non-Correlated.A correlated subquery cannot be considered as independent query, but it can refer the column in a ...
During the technical interview, we can face some query reading questions to understand our SQL query reading capabilities. For this reason, we need to make some SQL practice to improve our query reading skills. For example, the following question, which seems very simple but contains a bit of...