Parexel International Interview Questions, Process, and Tips

Q1. Is sql necessary for your project ?
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Q2. What is Hql ?
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Q3. What are views ?
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Q4. What are cross joins ?
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Q5. Difference between delete and truncate
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Normal mathematics, biology, and English.

Q1. What are the technical definitions related to pharmacovigilance?
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Q1. What is Hypertension?
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Q2. What is difference between Diabetes Insipidus and Diabetes Mellitus?
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Q3. What are Antimicrobial agents?
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Q4. What is difference between Rheumatoid arthritis and gout?
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Q5. What is difference between enzyme and hormone?
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Q6. What are neurotransmitters? Give example.
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Q7. What is Alzheimer's disease?
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Q8. What are allergens?
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Q9. What are Vaccines?
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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
Ans. 
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
Ans. 
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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