What methods and tools do you use to improve the efficiency of SQL queries?
Java
Can you explain the concept of an integer pool and its application?
Tell about your experience using the union construct in programming.
Can you explain what BPMN notation is and why it is used in business processes?
What components are included in the ClassLoader mechanism in Java?
Can you explain the concept of Fail Safe and its application in fault-tolerant systems?
How to implement repeated database queries at a certain interval?
Have you used the @Value annotation from Lombok in your projects?
Can you explain what is meant by the term OLAP in the context of data analytics?
Have users gone through a login procedure via your application?
What actions occur in memory when an element is removed from an array?
Have you implemented the integration mechanism of Spring Security with the Keycloak authentication system?
How does the size of ArrayList change when elements are added sequentially up to a certain number?
What is the role of the MAX function in SQL and in what cases is it used?
What types of tasks were you interested in performing in your last position?
Are you interested in career advancement within the company?
Doesn't a separate design interview turn into too long a stage among all selection stages?
Have you worked with JSON data types in PostgreSQL for storing and processing structured data?
Can the @Component annotation replace the @Repository annotation in Spring?
Explain what is meant by a transaction in the context of working with a database