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I applied via Campus Placement
Questions was regarding sql queries mostly
Write an SQL query to retrieve employee names and their departments from a company database.
Use SELECT statement to specify the columns: SELECT employee_name, department_name.
Join tables if necessary, e.g., FROM employees JOIN departments ON employees.department_id = departments.id.
Use WHERE clause to filter results, e.g., WHERE department_name = 'Engineering'.
Consider using ORDER BY to sort results, e.g., ORDER BY emp...
I applied via Campus Placement and was interviewed in Dec 2021. There were 2 interview rounds.
Group discussion was on a topic not related to computer science. It was a topic that anyone could speak.
WHERE clause is used to filter data in SQL queries.
WHERE clause is used after the FROM clause in a SQL query.
It is used to specify a condition that must be met for the query to return data.
Multiple conditions can be combined using logical operators such as AND and OR.
Examples: SELECT * FROM customers WHERE age > 18;
Examples: SELECT * FROM orders WHERE status = 'shipped' AND total_amount > 1000;
Joins in SQL are used to combine data from two or more tables based on a related column.
Joins are used to retrieve data from multiple tables in a single query
There are different types of joins such as inner join, left join, right join, and full outer join
Inner join returns only the matching rows from both tables
Left join returns all the rows from the left table and matching rows from the right table
Right join returns a...
I applied via Campus Placement and was interviewed in Mar 2021. There were 4 interview rounds.
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I applied via Naukri.com and was interviewed in Apr 2021. There was 1 interview round.
Aptitude test with aptitude based questions
Variable hoisting is a behavior in JavaScript where variable declarations are moved to the top of their scope during compilation.
Variable declarations are hoisted to the top of their function or global scope.
Only the declarations are hoisted, not the initializations.
This can lead to unexpected behavior if variables are accessed before they are declared.
Closures in JavaScript allow functions to access variables from an outer function even after the outer function has finished executing.
Closures are created whenever a function is defined within another function.
Inner functions have access to the outer function's variables even after the outer function has returned.
Closures are commonly used to create private variables and functions in JavaScript.
Example: function outer...
posted on 1 Sep 2021
I applied via Naukri.com and was interviewed in Aug 2021. There were 4 interview rounds.
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I applied via Referral and was interviewed before Mar 2023. There was 1 interview round.
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I applied via Recruitment Consulltant and was interviewed in Dec 2021. There was 1 interview round.
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