Parexel International Interview Questions and Answers

I have extensive experience in aggregate reporting within pharmacovigilance, ensuring compliance and safety monitoring.

• Conducted periodic safety update reports (PSURs) for multiple products, analyzing data trends.

• Collaborated with cross-functional teams to compile data for risk management plans.

• Utilized statistical software to assess adverse event data and identify signals.

• Presented aggregate findings to regulator...read more

HQL stands for Hibernate Query Language, a query language similar to SQL but used for Hibernate ORM framework.

• HQL is used to perform database operations in Hibernate ORM framework.

• It is similar to SQL but operates on Hibernate objects instead of database tables.

• HQL queries are written in Hibernate-specific syntax.

• Example: 'FROM Employee e WHERE e.department = :dept'

• HQL queries are translated into SQL queries by Hi...read more

SQL is necessary for most projects involving databases to manage and query data efficiently.

• SQL is essential for creating, updating, and querying databases in most projects.

• Without SQL, it would be challenging to interact with databases and retrieve specific data.

• Examples of SQL commands include SELECT, INSERT, UPDATE, and DELETE.

• SQL can help optimize database performance and ensure data integrity.

Cross joins are a type of join operation in SQL that combines each row from one table with each row from another table.

• Cross joins do not have a join condition specified, resulting in a Cartesian product of the two tables.

• They can be used when you want to combine every row from one table with every row from another table.

• Cross joins can lead to a large result set if the tables being joined have many rows.

Views in Java are user interface components that display data from a model in a specific format.

• Views are used to represent the user interface in Java applications.

• They display data from a model in a visually appealing format.

• Examples include buttons, text fields, labels, and checkboxes.

Delete removes rows one by one, while truncate removes all rows at once.

• Delete is a DML command, while truncate is a DDL command.

• Delete can be rolled back, while truncate cannot be rolled back.

• Delete fires triggers, while truncate does not fire triggers.

• Delete is slower as it logs individual row deletions, while truncate is faster as it logs the deallocation of the data pages.

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 /...read more

A trusted business advisor plays a crucial role in providing strategic financial guidance and support to help the organization achieve its goals.

• Provides strategic financial guidance to help the organization achieve its goals

• Offers insights and recommendations based on financial analysis

• Builds strong relationships with key stakeholders to understand their needs and provide tailored solutions

• Acts as a trusted partn...read more