Innova Solutions Senior Engineer Interview Questions and Answers

SQL Server has three recovery models: Simple, Full, and Bulk-Logged.

• Simple recovery model: minimally logged, no log backups, only full backups

• Full recovery model: fully logged, allows for point-in-time recovery, requires log backups

• Bulk-Logged recovery model: minimally logged for bulk operations, requires log backups for point-in-time recovery

DMVs in SQL Server are dynamic management views that provide information about the current state of the SQL Server instance.

• DMVs can be used to monitor performance, troubleshoot issues, and gather information about the server.

• Examples of DMVs include sys.dm_exec_requests, sys.dm_os_wait_stats, and sys.dm_db_index_physical_stats.

I tackle difficult scenarios in projects by breaking them down, seeking input from team members, and staying organized.

• Break down the problem into smaller, manageable tasks

• Seek input and feedback from team members to gain different perspectives

• Stay organized by creating a timeline and setting priorities

• Communicate openly with stakeholders to address any challenges or roadblocks

• Stay calm and focused under pressure to ma

Communication between microservices is typically done through APIs, messaging queues, or service meshes.

• Use RESTful APIs for synchronous communication between microservices

• Implement messaging queues like RabbitMQ or Kafka for asynchronous communication

• Utilize service meshes like Istio for managing communication between microservices

Grouping in Java 8 allows elements to be grouped based on a common attribute or condition.

• Use the Collectors.groupingBy() method to group elements in a stream based on a specified classifier function.

• The classifier function determines how elements are grouped.

• Grouping can be done on any type of object, such as strings, integers, or custom objects.

• For example, to group a list of Person objects by their age: Map<Integ...read more