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Linux commands are instructions given to the operating system to perform specific tasks or operations.
Linux commands are case-sensitive
Commands are typically entered in the terminal
Common commands include ls (list files), cd (change directory), mkdir (make directory)
Commands can be combined with options and arguments for more specific actions
Virtualization is the process of creating a virtual version of a device or resource, such as a server, storage device, network or operating system.
Virtualization allows multiple virtual instances to run on a single physical machine
It helps in optimizing resources and improving efficiency
Examples include VMware for server virtualization, VirtualBox for desktop virtualization
Delete and truncate are SQL commands used to remove data from a table, but with key differences.
DELETE is a DML command used to remove specific rows from a table based on a condition.
TRUNCATE is a DDL command used to remove all rows from a table, resetting auto-increment values.
DELETE can be rolled back, while TRUNCATE cannot be rolled back.
DELETE triggers ON DELETE triggers, while TRUNCATE does not trigger any trigger...
Cloud computing is the delivery of computing services like servers, storage, databases, networking, software, analytics, and intelligence over the internet.
AWS (Amazon Web Services) is a popular cloud computing platform offered by Amazon.
Cloud computing allows users to access resources on-demand without the need for physical infrastructure.
AWS provides a wide range of services such as EC2 (Elastic Compute Cloud), S3 (S...
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I applied via Campus Placement and was interviewed before Jun 2023. There were 2 interview rounds.
It contained 3 coding questions.
I applied via Naukri.com and was interviewed before May 2020. There were 4 interview rounds.
I applied via Campus Placement and was interviewed in Mar 2024. There was 1 interview round.
Questions were high level
Easy coding round ,like 2d array,pattern
It makes to develop any static website or any static project techniques
There will be 3 coding questions given to us for solving,we need solve two questions compulsory.
I am a software engineer with 5 years of experience in developing web applications using Java, Spring, and Angular.
5 years of experience in software development
Proficient in Java, Spring, and Angular
Strong problem-solving skills
I applied via Naukri.com and was interviewed in Dec 2021. There were 3 interview rounds.
I would immediately inform the project manager and the testing team about the error and work collaboratively to find a solution.
Notify the project manager and testing team about the error
Collaborate with the testing team to understand the issue
Analyze the code to identify the root cause of the error
Work with the development team to fix the error as quickly as possible
Perform thorough testing to ensure the issue is reso...
I applied via Approached by Company and was interviewed in Feb 2023. There were 3 interview rounds.
I applied via AmbitionBox and was interviewed before Sep 2020. There were 3 interview rounds.
Unique key allows null values, primary key does not.
Primary key is a unique identifier for a record in a table
Unique key allows null values, primary key does not
A table can have only one primary key, but multiple unique keys
Primary key is automatically indexed, unique key is not necessarily indexed
HAVING clause is used in SQL to filter data based on aggregate functions.
It is used with GROUP BY clause to filter data based on aggregate functions
It is used to filter data after grouping has been done
It is similar to WHERE clause but operates on grouped data
Example: SELECT department, AVG(salary) FROM employees GROUP BY department HAVING AVG(salary) > 50000;
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Consultant
24
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| ₹13.7 L/yr - ₹25.6 L/yr |
Senior Member Technical
22
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Support Analyst
15
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14
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12
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