Future Focus Infotech SQL Database Administrator Interview Questions and Answers

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

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

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

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.

A database is a structured collection of data that is organized in a way that allows for easy access, management, and retrieval.

• A database is used to store and organize data in a structured format.

• It allows for efficient retrieval and manipulation of data.

• Examples of databases include MySQL, Oracle, SQL Server, and MongoDB.

MySQL is an open-source relational database management system that is popular for its ease of use, flexibility, and scalability.

• MySQL is an open-source RDBMS, allowing users to freely use, modify, and distribute the software.

• It is known for its ease of use, making it accessible for beginners and experts alike.

• MySQL is highly flexible, supporting various data types and storage engines.

• It is popular for its scalability, ...read more

To retrieve a set of data in a database, you can use SQL queries to specify the data you want to retrieve.

• Use SELECT statement to specify the columns you want to retrieve

• Use FROM clause to specify the table where the data is stored

• Use WHERE clause to specify any conditions for filtering the data

• Use ORDER BY clause to specify the order in which the data should be returned

• Use LIMIT clause to specify the maximum number of

To know disk utilization in Linux, use commands like df, du, and iostat.

• Use 'df' command to display disk space usage on Linux filesystems.

• Use 'du' command to estimate file space usage.

• Use 'iostat' command to monitor system input/output device loading.

• Check disk utilization with tools like 'iotop' and 'atop'.