Softenger Associate Oracle Database Administrator Interview Questions and Answers

Basic Apptitude. SQL & logic in

Very easy topic. You just need to have fluent English.

They took two GD as many people were selected

Q1. They asked basic and advanced SQL queries
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Q1. The Architecture of SQL Server
Ans. 
The architecture of SQL Server involves components like storage engine, query processor, and buffer manager.
• SQL Server architecture consists of multiple components such as storage engine, query processor, and buffer manager.

• The storage engine manages data storage, retrieval, and modification.

• The query processor processes SQL queries and generates execution plans.

• The buffer manager is responsible for managing data cache...read more
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Q2. How to troubleshoot high CPU and Memory
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To troubleshoot high CPU and Memory, monitor performance metrics, identify resource-intensive queries, optimize queries and indexes, check for memory leaks.
• Monitor performance metrics using tools like SQL Server Profiler, Performance Monitor, or DMVs.

• Identify resource-intensive queries using tools like SQL Server Management Studio or query execution plans.

• Optimize queries and indexes by rewriting queries, adding missin...read more
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Q3. Recent issues and resolution
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Resolved recent issues related to database performance by optimizing queries and increasing server resources.
• Identified slow performing queries and optimized them by adding indexes or rewriting them

• Increased server resources such as CPU, memory, or storage to improve performance

• Implemented query caching or stored procedures to reduce load on the database server
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Q4. What is DAG, DNN and VNN
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DAG stands for Directed Acyclic Graph, DNN stands for Deep Neural Network, and VNN stands for Virtual Neural Network.
• DAG is a graph with directed edges and no cycles, commonly used in data processing.

• DNN is a type of artificial neural network with multiple hidden layers, used in deep learning.

• VNN is a virtual neural network, a concept that may refer to a neural network implemented in a virtual environment.
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Q1. Salary discussion and shift acceptance
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Q1. Needs to aware of troubleshooting skills
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Q1. Basic technical questions Database Architecture Tablespace management User management Db links/networking Rman backup strategy
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Q1. Performance tuning Dataguard Rac basic ASM
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