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I applied via Job Fair and was interviewed in Jun 2022. There were 2 interview rounds.
SQL query features include SELECT, FROM, WHERE, GROUP BY, ORDER BY, JOIN, and more.
SELECT: used to select specific columns from a table
FROM: used to specify the table to retrieve data from
WHERE: used to filter data based on a condition
GROUP BY: used to group data based on a column
ORDER BY: used to sort data based on a column
JOIN: used to combine data from multiple tables
Other features include subqueries, aggregate func...
I appeared for an interview in Dec 2022.
Creating a drop-down in Angular
Use the
Use *ngFor directive to loop through options
Bind the selected value to a variable using [(ngModel)]
Use *ngIf directive to conditionally show/hide the drop-down
I applied via Recruitment Consulltant and was interviewed before Feb 2023. There were 2 interview rounds.
OOPs is a programming paradigm that focuses on objects and their interactions. SOLID is a set of principles for designing maintainable software.
OOPs stands for Object-Oriented Programming, which is a programming paradigm that organizes code around objects and their interactions.
SOLID is an acronym for five principles: Single Responsibility, Open-Closed, Liskov Substitution, Interface Segregation, and Dependency Inversi...
Stored procedures are precompiled SQL statements stored in a database, while joins are used to combine rows from different tables.
Stored procedures are used to improve performance, security, and code reusability.
Joins are used to retrieve data from multiple tables based on a related column between them.
There are different types of joins: inner join, left join, right join, and full outer join.
Example of a stored procedu...
I applied via Naukri.com and was interviewed in Mar 2022. There were 3 interview rounds.
Abstract class is a class that can have both abstract and non-abstract methods, while interface only has abstract methods.
Abstract class can have constructors, while interface cannot
A class can implement multiple interfaces, but can only inherit from one abstract class
Abstract class can have instance variables, while interface cannot
Abstract class is used when there is a need for a common base class for multiple relate...
I applied via Walk-in and was interviewed before Oct 2021. There were 2 interview rounds.
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posted on 27 Jul 2024
General SQL Questions.
I applied via Job Fair and was interviewed in Nov 2023. There were 2 interview rounds.
Customer service is an essential element in software development.
Customer service involves providing support and assistance to users of software applications.
It includes addressing user queries, resolving issues, and ensuring customer satisfaction.
Software developers may interact with customers through various channels like email, phone, or live chat.
Good customer service can lead to positive user experiences and incre...
I applied via Campus Placement and was interviewed in Mar 2023. There were 2 interview rounds.
Map and array in CPP are both data structures, but map is a key-value pair container while array is a collection of elements with a fixed size.
Map in CPP is a container that stores elements in key-value pairs, allowing fast lookups based on keys.
Array in CPP is a collection of elements of the same data type, stored in contiguous memory locations.
Generators in Python are functions that allow you to iterate over a sequen...
Relational Algebra is a procedural query language used to query databases in DBMS.
Relational Algebra is used to perform basic operations like selection, projection, join, etc. on relations.
It helps in retrieving specific information from databases based on certain conditions.
Examples of operations in Relational Algebra include Union, Intersection, Difference, Cartesian Product, etc.
A pointer is a variable that stores the memory address of another variable.
Pointers are used to access and manipulate memory directly.
They are commonly used in programming languages like C and C++.
Example: int *ptr; // declares a pointer to an integer variable
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