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AvenData GmbH

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Hindustan Resins & Terpenes Interview Questions and Answers

Updated 27 Mar 2025

Q1. How’s job security in Avendata Gmbh?

Ans.

Job security in Avendata Gmbh is good.

  • Avendata Gmbh has a stable and growing business.

  • The company has a diverse range of clients and projects.

  • Avendata Gmbh invests in employee training and development.

  • The company has a positive work culture and values its employees.

  • There have been no recent reports of layoffs or downsizing.

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Q2. HOW TO DELETE ROWS from 3 table with the query

Ans.

To delete rows from 3 tables with a single query, use the DELETE statement with JOINs.

  • Use the DELETE statement with JOINs to specify the tables and conditions for deletion.

  • Ensure that the JOIN conditions are properly defined to delete the desired rows.

  • Use aliases for table names to simplify the query and improve readability.

  • Test the query with a SELECT statement before executing the DELETE statement to verify the rows to be deleted.

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Q3. How’s the leave policy?

Ans.

The leave policy is comprehensive and employee-friendly.

  • Employees are entitled to a certain number of paid leave days per year.

  • Additional leave can be taken for special circumstances like maternity/paternity leave or bereavement leave.

  • Leave can be requested and approved through an online system or by submitting a form to the HR department.

  • Unused leave days can sometimes be carried forward to the next year or compensated monetarily.

  • The policy may vary based on the employee's t...read more

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Q4. what is stored procedure ?

Ans.

A stored procedure is a set of SQL statements that are stored in the database and can be called by name to perform a specific task.

  • Stored procedures help improve performance by reducing network traffic and improving security.

  • They can accept input parameters and return output parameters.

  • Stored procedures can be reused across multiple applications.

  • Examples: CREATE PROCEDURE, CALL PROCEDURE.

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Q5. can rollback delete command .

Ans.

No, the delete command cannot be rolled back in MySQL.

  • Delete command permanently removes data from a table.

  • Rollback command can only be used with transactions involving insert, update, or alter commands.

  • Once a delete command is executed, the data is gone and cannot be recovered.

  • To undo a delete operation, you would need to restore the data from a backup.

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Q6. what is triggers?

Ans.

Triggers are database objects that automatically perform an action when a specified event occurs.

  • Triggers are used to enforce business rules, maintain data integrity, and automate repetitive tasks.

  • They can be set to execute before or after an INSERT, UPDATE, or DELETE operation on a table.

  • Examples of triggers include auditing changes to a table, updating a related table when a record is modified, or enforcing referential integrity.

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Q7. What is @input and @output

Ans.

@Input and @Output are decorators in Angular used for data binding between parent and child components.

  • @Input allows a parent component to pass data to a child component.

  • Example: @Input() childData: string; in child component to receive data.

  • @Output allows a child component to emit events to the parent component.

  • Example: @Output() eventEmitter = new EventEmitter(); in child component to emit an event.

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Q8. Which technologies you know?

Ans.

I am proficient in various technologies including Java, Python, HTML/CSS, JavaScript, and SQL.

  • Proficient in Java and Python programming languages

  • Familiar with HTML/CSS and JavaScript for web development

  • Experience with SQL for database management

  • Knowledge of Git for version control

  • Familiarity with Agile methodology for software development

  • Experience with AWS for cloud computing

  • Experience with Docker for containerization

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Q9. What is decorator

Ans.

A decorator is a design pattern in programming that allows behavior to be added to individual functions or methods dynamically.

  • Decorators are often used in Python to modify the behavior of functions or methods.

  • They are defined using the '@decorator_name' syntax above a function.

  • Example: @app.route('/') in Flask is a decorator that maps a URL to a function.

  • Decorators can take arguments, allowing for more flexible behavior.

  • They can be stacked, meaning multiple decorators can be...read more

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