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Union combines and removes duplicates, Union all combines all rows including duplicates.
Union removes duplicates while Union all includes duplicates
Union is slower than Union all as it involves removing duplicates
Union all is used when duplicates are desired in the result set
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I applied via Walk-in and was interviewed in Feb 2023. There were 4 interview rounds.
The topic for gd is online vs offline shopping.
There were almost 10 people during gd process
Online or offline shopping topic was given for discussion
Process management is the act of planning, monitoring, and controlling the processes within an organization to achieve its goals.
It involves identifying and defining processes
Assigning responsibilities and resources to each process
Monitoring and measuring the performance of each process
Identifying areas for improvement and making necessary changes
Examples include project management, supply chain management, and quality
posted on 2 Jan 2025
I applied via Approached by Company and was interviewed in Dec 2024. There were 3 interview rounds.
I applied via Company Website and was interviewed in Oct 2024. There were 3 interview rounds.
Transactions in Spring Boot help manage database operations as a single unit of work.
Transactions ensure ACID properties (Atomicity, Consistency, Isolation, Durability) for database operations.
Use @Transactional annotation to mark a method as transactional.
Transactions can be managed programmatically using TransactionTemplate.
Rollback can be triggered manually in case of exceptions.
Spring Boot supports both declarative
I applied via Naukri.com and was interviewed in May 2024. There were 2 interview rounds.
I applied via LinkedIn and was interviewed in Feb 2024. There was 1 interview round.
posted on 5 Aug 2024
Some common commands for technical support engineers include ping, ipconfig, and tracert.
Ping: Used to test the reachability of a host on an IP network.
Ipconfig: Displays all current TCP/IP network configuration values.
Tracert: Shows the route that packets take to reach a specified destination.
posted on 3 Mar 2024
I was interviewed in Feb 2024.
Normal GD with 8-10 people
Networking is the practice of connecting computers and other devices to share resources and communicate with each other.
Networking involves the use of protocols and technologies like TCP/IP, Ethernet, and Wi-Fi.
IPV4 is a version of the Internet Protocol that uses a 32-bit address scheme.
The network layer is responsible for routing data packets from the source to the destination.
Implementing networking layer concept in ...
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