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SOLID is a set of principles for designing software that promotes maintainability, extensibility, and reusability.
S - Single Responsibility Principle: A class should have only one reason to change.
O - Open-Closed Principle: Software entities should be open for extension but closed for modification.
L - Liskov Substitution Principle: Subtypes must be substitutable for their base types.
I - Interface Segregation Principle:...
Joins in SQL are used to combine rows from two or more tables based on a related column between them.
Joins are used to retrieve data from multiple tables in a single query
Common types of joins include inner join, left join, right join, and full outer join
Joins are performed using the JOIN keyword and specifying the related columns
Joins can be used to fetch data based on matching values or non-matching values between ta
Frequent test as of studied in privious company learnt
The 'delete' command in Oracle is used to remove rows from a table based on specified conditions.
The 'delete' command is used to remove rows from a table in Oracle.
It is important to specify the conditions for deletion using a WHERE clause.
After executing the delete command, the rows are permanently removed from the table.
It is recommended to use a commit statement after executing the delete command to make the changes
Grep command is used in Unix/Linux to search for specific patterns in files or output.
Used to search for specific patterns in files or output
Can be used with regular expressions to refine search results
Commonly used with options like -i (case-insensitive) and -r (recursive)
Example: grep 'keyword' filename.txt
posted on 19 Mar 2024
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posted on 12 Feb 2024
I applied via Naukri.com and was interviewed before Feb 2023. There was 1 interview round.
posted on 21 Jul 2020
I applied via Naukri.com and was interviewed in Jun 2020. There were 7 interview rounds.
I applied via Approached by company and was interviewed before Feb 2021. There was 1 interview round.
I applied via Naukri.com and was interviewed before Dec 2020. There were 3 interview rounds.
I applied via Naukri.com and was interviewed before Oct 2020. There was 1 interview round.
I applied via Walk-in and was interviewed before Sep 2020. There was 1 interview round.
BRD stands for Business Requirements Document and FRD stands for Functional Requirements Document.
BRD is a document that outlines the business requirements of a project.
FRD is a document that outlines the functional requirements of a project.
BRD focuses on the business needs and objectives, while FRD focuses on the technical requirements.
Both documents are important for the successful completion of a project.
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