so employers test candidates on various concepts ranging from basic to advanced-level queries. This blog covers common SQL interview questions and their answers to help you succeed in your next interview.
Here is the latest list of 70+ most asked SQL interview questions and answers. Prepare yourself to crack an SQL interview on the first attempt!
Query 4: Write a query in SQL to find the minimum and maximum number from the integer column: ADVERTISEMENT ADVERTISEMENT Sol: Syntax to find the maximum and minimum number from the column: SELECTMAX(Column_Name),MIN(Column_Name)FROMTable_Name; We can easily find the maximum and minimum val...
Watch this video on SQL Interview Questions and Answers 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. ...
There are mainly two types of indexes in SQL Servers Clustered Index and Non-Clustered Index. Conclusion Above is the list of common interview questions which you can expect as an SQL server developer. The answers are for your reference you can read them in detail using other sources or artic...
A subquery in SQL is like a query within a query. It helps you ask specific questions within a larger question. This nested query is used to filter or calculate data in a structured way. What is an SQL server? An SQL server is a software application that manages and stores databases. ...
An SQL interview question like this one shows that even though some of the advanced concepts may be easy to understand, they may be difficult to recount when suddenly faced with the question. Thus, when you prepare for SQL interview questions, ensure to revise all types of concepts. ...
This is one of the tricky SQL Interview Questions. Interviewer may ask you this question in another way as what are the advantages of Union All over Union. Both Union and Union All concatenate the result of two tables but the way these two queries handle duplicates are different. ...
In this blog post, you are going to find a list of top 25 SQL interview questions and answers about indexes which have been often asked.
PL/SQL (Procedural Language/SQL) is basically a procedural extension of Oracle – SQL. PL/SQL helps the user to develop complex database applications using control structures, procedures, functions, modules, etc. This article will discuss the top-most PL/SQL interview question and answers. ...