Before Applying job posting in any websites or recruiting agencies or sending resumes to job recruiters or any other employment website you need to improve your skills on general knowledge, Aptitude, Puzzles, logical reasoning, general english, database, programming as per your job profile. Job recruiters or mostly preferring job candidates who are having more stuff in those categories mentioned above. So improving more skills on your job profile always boost up your career and your performance. Even hiring companies and job recruiters who are looking for many job posting websites actually they are looking and filtering on these activities. In these Sql Server section you need to update more questions to perform well in front of job recruiters and companies. Sql Server Interview questions are most important to score in interview, Update all questions to score well in all rounds in job interview.

Sql Server interview questions and answers

What is Exclusive lock in SQL Server ?

Exclusive locks (X) completely lock the resource from any type of access including reads. They are issued when data is being modified through INSERT , UPDATE and DELETE statements .

What is Schema lock in SQL Server ?

Schema modification locks (Sch-M) are acquired when data definition language statements , such as CREATE TABLE, CREATE INDEX, ALTER TABLE, and so on are being executed . Schema stability locks (Sch-s) are acquired when store procedures are being compiled.

What is Bulk Update lock in SQL Server ?

Bulk update locks (BU) are used when performing a bulk-copy of data into a table with TABLOCK hint. These locks improve performance while bulk copying data into a table ; however , they reduce concurrency by effectively disabling any other connections to read or modify data in the table.