A query, in SQL, is a command used to request data or update information from a database table or combination of tables. Users can write and execute queries to retrieve, delete or update information in a databas
In conclusion, we covered the top 100+ SQL interview questions and answers in this article that help you prepare and crack SQL jobs. We focused on covering essential concepts of SQL, like the basics of SQL queries, joins, subqueries, indexing, and performance optimization. Whether you are a ...
In conclusion, we covered the top 100+ SQL interview questions and answers in this article that help you prepare and crack SQL jobs. We focused on covering essential concepts of SQL, like the basics of SQL queries, joins, subqueries, indexing, and performance optimization. Whether you are a ...
The UNION keyword is used in SQL for combining multiple SELECT queries but deletes duplicates from the result set. The INTERSECT keyword is only used for retrieving common rows using SELECT queries between multiple tables. The MINUS keyword essentially subtracts between two SELECT queries. The resul...
We can check the current settings and thread allocation using the below queries. –Thread setting select max_workers_count from sys.dm_os_sys_info –Active threads select count(*) from sys.dm_os_threads Default value is 255. Increasing the number of worker threads may actually decrease the ...
Sonawane Lalit · Posted 2 months ago in Questions & Answers arrow_drop_up5more_vert 15+ interview SQL questions, including both technical and non-technical questions, along with their answers. What is SQL? - Answer: SQL (Structured Query Language) is a standard programming language specifica...
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More acceptances towards the queries Accessing information fast Easy implementation of security measures Ensures flexibility in modifications Eradicating unreal data and decreasing the redundancy Compact database storage Maintaining data consistency This is one of the most crucialSQL Interview questionswhich can...
This article will walk you through some SQL interview questions and answers to help you with a job change or if you want to improve your interview skills. I have also tried to attach supporting articles for each question to help you learn more in-depth about the specified topics. I tried ...
Speed and Concurrency, SQL Server 2005 system is able to handle5,000 transactions per second and 100,000 queries a day and can scale up to 8 million new rows of data per day, Finally, more technical peoples are available for SQL SERVER when we compare to any other database. ...