Frequently asked SQL Server Interview Questions and Answers for freshers, intermediate, and experienced which will definitely ace your SQL Server Interview.
SQL Interview Questions1. What is Pattern Matching in SQL? SQL pattern matching provides for pattern search in data if you have no clue as to what that word should be. This kind of SQL query uses wildcards to match a string pattern, rather than writing the exact word. The LIKE operator...
DML:A Data Manipulation Language query is a query that is used to insert, update, or delete the data from a database table. These queries include INSERT INTO, UPDATE, SELECT and DELETE queries DCL:A Data Control Language query is a query that is used for administrative purpose. The adminis...
DQL statements are used to query the data contained in schema objects. The DQL Commands goal is to return a schema relation depending on the query supplied to it. DQL can be defined as follows: It’s a part of a SQL statement that lets you get data from a database and put it in or...
Top T-SQL Interview Questions for Freshers 1. A Query Language for working with sets is SQL. Microsoft uses the proprietary procedural language TSQL in SQL Server. Numerous features not found in SQL are added by T-SQL. This gives you more flexible control over how the application behaves by...
Test your knowledge with interactive quizzes that cover basic to advanced SQL concepts. Common SQL Interview Questions and Answers Prepare for SQL interviews with commonly asked questions and query-based challenges: Common SQL Interview Questions: Explore a curated list of frequently asked questions to...
A few popular examples are MySQL, PostgreSQL, Microsoft Access, SQL Server, FileMaker, and Oracle. 3. What is Object-Relational Mapping? Object-Relational Mapping (ORM)is a tool that lets you query and manipulates data from a database using an object-oriented programming language such as Java...
8. Write a query to show what’s happening on instance with description? 9. How VLF’s created for tempDB? 10. When the checkpoint can happen? What it exactly do? 11. When the lazywriter happens and what it’ll do? 12. What is total server memory and target server memory?
Eventually, in an outer query, apply a WHERE filter and a COUNT() function on the result of the subquery. Solution of SQL Interview Question #3 Solution: SELECT department_name, AVG(salaries.salary) AS avg_salaries FROM employees JOIN salaries ON employees.employee_id = salaries.employee_id ...
The objective of today’s article is to help you prepare for an Interview or test the knowledge you gain in your learning of SQL language. It covers the basic knowledge and advanced knowledge of SQL language and common scenario-based Interview questions that the Interviewer may expect you to ...