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CandorWorks UI Developer Interview Questions and Answers
CandorWorks UI Developer Interview Experiences
1 interview found
Anonymous
Selected
I applied via Approached by Company and was interviewed before Sep 2023. There was 1 interview round.
(2 Questions)
- Q1. What is hoisting?
- Ans.
Hoisting is a JavaScript mechanism where variable and function declarations are moved to the top of their containing scope during compilation.
Variable declarations are hoisted to the top of their scope but not their initializations.
Function declarations are fully hoisted, including their definitions.
Hoisting can lead to unexpected behavior if not understood properly.
- Q2. What are the different datatypes in JavaScript?
- Ans.
Different datatypes in JavaScript include string, number, boolean, object, array, null, and undefined.
String: 'hello'
Number: 42
Boolean: true or false
Object: { key: value }
Array: [1, 2, 3]
Null: null
Undefined: undefined
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
I applied via Indeed and was interviewed in Mar 2024. There were 3 interview rounds.
Basic math question as well as some logical question
Questions about array , also question about array functions,also question about session and cookie
(2 Questions)
- Q1. Most of the sql questions,
- Q2. Also that you about Previous work in details
Interview Preparation Tips
Selected
I applied via Approached by Company and was interviewed in Mar 2023. There were 4 interview rounds.
(1 Question)
- Q1. Asked questions about your skills. (Python, Javascript, HTML, CSS)
They give the assignment to complete in the timeline.(Python coding task)
(1 Question)
- Q1. Discussion about Salary, documentation, and other process
You need good aptitude skills
(1 Question)
- Q1. You need to be good in html and css
Selected
I applied via Approached by Company and was interviewed in Dec 2022. There were 3 interview rounds.
Display data on the page from DB and store the data in the DB when the form is submitted as well as added those data in the Google sheet
(1 Question)
- Q1. Normal technical question
DUMMU VIKASH
I applied via Naukri.com and was interviewed before Nov 2020. There were 3 interview rounds.
Interview Questionnaire
6 Questions
- Q1. What is the Join Operator
- Ans.
Join operator is used to combine rows from two or more tables based on a related column between them.
Join operator is used in SQL to retrieve data from multiple tables.
It combines rows from two or more tables based on a related column between them.
Types of join operators include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL OUTER JOIN.
Join operator can be used with WHERE clause to filter the results.
Example: SELECT * FRO...
- Q2. It is a inbuilt functionality to help bring columns of various tables together based on the columns shared by the tables.
- Q3. What Column Should Index be Created on
- Ans.
Indexes should be created on columns that are frequently used in WHERE, JOIN, and ORDER BY clauses.
Indexes should be created on columns with high selectivity
Indexes should not be created on columns with low cardinality
Indexes should not be created on columns with frequent updates
Composite indexes can be created on multiple columns
Indexes can be created on virtual columns
- Q4. Index has to be created on the column which we use most in select queries or else that index would be inefficient and space consuming.
- Q5. What is row_number() function
- Ans.
row_number() function assigns a unique number to each row within a result set.
It is a window function in SQL
It is used to generate a unique sequential number for each row in a result set
It is often used for pagination and ranking purposes
It can be used with ORDER BY clause to specify the order of the rows
- Q6. It is an analytical function used to assign row numbers to columns based on partition and order criteria
Interview Preparation Tips
Speak Loud.
Frame your sentences in your head before speaking it out.
Skills evaluated in this interview
I applied via LinkedIn and was interviewed in Feb 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. They just asked simple basics of javascript and react.
Interview Preparation Tips
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