Antrix Techinfo Interview Questions, Process, and Tips

Safety refers to measures taken to prevent accidents, injuries, and other potential hazards. Types include workplace safety, road safety, and fire safety.

• Workplace safety: Ensuring a safe working environment for employees by implementing safety protocols and providing necessary training.

• Road safety: Promoting safe driving practices, enforcing traffic laws, and maintaining road infrastructure.

• Fire safety: Preventing fir...read more

Hazards are potential sources of harm or adverse health effects, while risks are the likelihood of harm occurring due to exposure to a hazard.

• Hazards are anything that can cause harm, such as chemicals, electricity, or machinery

• Risks are the chances of harm occurring, which can be influenced by factors like frequency of exposure and severity of the hazard

• Identifying hazards and assessing risks is crucial for implementi...read more

Work permits are legal documents that allow a person to work in a specific job for a specific period of time.

• Different types include general work permits, specific work permits, temporary work permits, etc.

• Work permits may be required for foreign workers, minors, or individuals with specific visa statuses.

• Examples include H-1B visas for skilled workers in the US, student work permits in Canada, etc.

Types of joins and difference between truncate and delete

• Types of joins: inner join, left join, right join, full outer join, self join

• Inner join returns only matching rows from both tables

• Left join returns all rows from left table and matching rows from right table

• Right join returns all rows from right table and matching rows from left table

• Full outer join returns all rows from both tables

• Self join is used to join a ta...read more