Clinovex Clinical Research Solutions Interview Questions and Answers

Q1. What is Real World Evidence?
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Q2. How to get frequency counts?
Ans. 
Frequency counts can be obtained by counting the number of occurrences of each unique value in a dataset.
• Use the COUNTIF function in Excel to count occurrences of a specific value in a column

• Use the value_counts() function in Python's pandas library to get frequency counts of unique values in a dataframe column

• Use the table() function in R to get frequency counts of unique values in a vector or dataframe column
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In hall all are discussed and written an interview test

Q1. Self details, antidiabetis drugs,project ,ect
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Q1. Anagram of two strings in java
Ans. 
Java program to check if two strings are anagrams
• Create a function that takes two strings as input

• Convert both strings to character arrays and sort them

• Check if the sorted arrays are equal to determine if they are anagrams
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Q2. Insert and select query in MySQL
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Insert and select data in MySQL using SQL queries
• Use INSERT INTO table_name (column1, column2, ...) VALUES (value1, value2, ...); to insert data

• Use SELECT * FROM table_name; to select all data from a table

• Use SELECT column1, column2 FROM table_name WHERE condition; to select specific data based on a condition
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Q3. Get and Post APIs in rest
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GET and POST are HTTP methods used in REST APIs for retrieving and sending data.
• GET method is used to retrieve data from a server

• POST method is used to send data to a server

• GET requests are idempotent, while POST requests are not

• GET requests should only be used for retrieving data, not for modifying data

• Example: GET request to retrieve a list of users - GET /users

• Example: POST request to create a new user - POST /users
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