Check out the 50 most-asked SQL query interview questions. 50 QuestionsPractice SQL We need your support to run this blog, so share this post on your social media accounts like Facebook / Twitter. This is how you will encourage us to come up with more informative stuff. Happy Learning!
Here, we share the basic and advanced SQL queries asked in interview questions. Our tutorials explain the SQL syntax and commands in a super easy way.
Advanced SQL Interview Questions and Answers Part 2 Practice Interview Question 2 continued Data Mining vs. Data Warehousing Ternary/Three-valued Logic in SQL Find Maximum Value Without Using Aggregate SQL Injection Example and Tutorial SQL Injection Prevention Blind SQL Injection Example Parameterized Que...
SQL: It is referred as Structured Query Language.• Only simple IF / Else statements.• Through SQL you can interact with database through ADO.NET• In SQL you can execute a line of code• It can run only on windowsPL/SQL: It is referred as Procedure Language / Structure Query ...
In this article we will learn about some of the mostly used SQL Server queries every developer should know. These queries can be asked you as an Interview Question or they are handy for you in your day to day tasks. 1. Create Table: In this SQL Server query we will learn How to...
In this blog, we will explore SOQL in detail and understand how it can be leveraged to query Salesforce data. Want to learn about Salesforce? Watch this video below What is SOQL? SOQL stands for Salesforce Object Query Language. It is a SQL-like language that queries records from Salesfo...
Since the question asked for the number of user_ids and not the user_id’s itself we useCOUNTin the outer query. Query 5 We are given a subscription table which consists of subscription start and end date for each user. We need to write a query that returns true/false for each user ...
Moreover, in interviews with nine software developers (SecuCheck 2021), the authors asked what concrete syntax they would prefer if given the choice of (1) a fluent interface, (2) a graphical syntax, or (3) a textual syntax for taint-flow queries, six participants chose the fluent ...
AVG is one of the SQL functions known as an aggregate function. Many of the queries that we write in SQL only operate on a single row. Aggregate functions, which are also called group functions, operate on a group of rows and generate a calculated value based on the values in those rows...
, Named parameters not bound. Ask Question Asked 1 year, 2 months ago. Modified 1 year, 2 months ago. as you should add named parameters to HQL and set them via query.setParameter consistently. NOTE. I am avoiding concatenations in the query "'%" + userName + "%'" to avoid SQL …...