Vcare Trichology Content Writer Interview Questions and Answers

Q1. Questions related to NODEJS , PHP, Past projects, Resume
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Q2. Why Mongodb over Sql
Ans. 
MongoDB is preferred over SQL for its flexibility, scalability, and ease of use in handling unstructured data.
• MongoDB is a NoSQL database, making it easier to work with unstructured data compared to SQL.

• MongoDB is schema-less, allowing for more flexibility in data modeling and changes.

• MongoDB is horizontally scalable, making it easier to handle large amounts of data and high traffic loads.

• MongoDB's document-based data ...read more
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Q1. Basic questions and answers
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Q1. Related to work profile
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Q1. Basic and general information
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Q1. Explain workflow of hospital
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Q2. What method can be used to send multiple facility data to a single application?
Ans. 
Use APIs, message queues, or data aggregation techniques to send multiple facility data to a single application.
• APIs: RESTful APIs can be used to send data from multiple facilities to a central application.

• Message Queues: Tools like RabbitMQ or Kafka can handle data streams from various sources.

• Data Aggregation: Use ETL (Extract, Transform, Load) processes to consolidate data from different facilities.

• Webhooks: Facilit...read more
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Q1. Basic electronics & field knowledge
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Q1. Basic electronics & field knowledge
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Q1. Salary discussion / Negotiations
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Q1. 1. Basic query questions was asked including concepts such as row number logic, update, delete etc. 2. What is materialized view in snowflake?
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Q2. 1. What is database and schema in sql? 2. What is integration runtime in Azure Data Factory?
Ans. 
1. Database is a collection of organized data, schema defines the structure of the database. 2. Integration Runtime in Azure Data Factory is a compute infrastructure used to move data.
• Database is a collection of tables, indexes, views, and other objects that store and organize data.

• Schema defines the structure of the database, including tables, columns, relationships, and constraints.

• Integration Runtime in Azure Data F...read more
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Simple and easy basic aptitude

Simple question solved in python

Q1. Program to print Prime number
Ans. 
Program to print Prime number
• Iterate through numbers and check if each number is prime

• Use a nested loop to check for factors of the number

• A prime number is a number that is only divisible by 1 and itself
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Q2. Program to compute permutations and combinations
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Program to compute permutations and combinations
• Use recursion to generate all possible permutations and combinations

• For permutations, swap elements in the array and recursively call the function

• For combinations, include or exclude elements in the array and recursively call the function

• Use a loop to iterate through the array and generate all possible permutations and combinations
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Q3. Program to find the missing element in a series of number
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Program to find the missing element in a series of numbers
• Iterate through the array and calculate the sum of all elements

• Calculate the sum of the series using the formula n*(n+1)/2 where n is the length of the series

• Subtract the sum of the array from the sum of the series to find the missing element
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