Summary – Top 50 Tricky SQL Queries for Interview The SQL queries provided here should work on popular databases like MySQL, SQL Server, and Oracle with only minor adjustments. These queries use common SQL commands like SELECT, FROM, WHERE, and others that are widely supported. Still, here a...
Check out our top SQL interview questions for DBA and QA engineers! As a QA engineer, learning SQL is a must. After all, understanding databases and writing SQL queries is essential for testing the functionality and performance of any enterprise application. For DBAs, SQL skills are even more ...
Frequently asked SQL Server Interview Questions and Answers for freshers, intermediate, and experienced which will definitely ace your SQL Server Interview.
Every time you interact with friends on social media, be it posting, commenting, or sharing,SQL queriesensure your actions are reflected accurately, such as on Facebook, Twitter, and Instagram. Table of content Basic PL SQL Interview Questions for Freshers ...
In this part, we will see SQL practice questions which contain both complex SQL queries interview questions and basic SQL Interview Questions. Let’s see important SQL queries for interview 76. How to get unique records from a table?
A. UNION:It combines two or more results from multiple SELECT queries into a single result set. It has a default feature to remove the duplicate rows from the tables. The following syntax illustrates the Union operator: B. UNION ALL:This operator is similar to the Union operator, but it ...
In this article, you will learn many simple and complex SQL queries asked in IT interviews. Let's take two tables which help in solving various queries. The name of the first table isStudent,and the name of the second table isSubject. ...
After administering the assessments, hiring managers have a smaller pool of candidates, which is when the interview rounds should start. Asking the right questions, based on the assessment results of the candidate, and including tricky SQL interview queries for assessing their proficiency in SQL makes...
Performs testing for functions such as triggers, views, and basic queries. 8. Explain black box testing. Hide Answer Black box testing is a method that tests the interface of the database. It verifies incoming data, mapping details, and data used for query functions. Here the tester provides...
OtherInterview Questionsfor Programmers Along with these questions, you should also check the following interview questions shared before to do well on your support job interviews. 10 Frequently asked SQL queries from Interviews 21 Frequently asked Java Interview Questions ...