10+ Software Specialist Interview Questions and Answers

I have knowledge of the architecture of both McAfee and CrowdStrike. I have worked on the CrowdStrike console but not on ServiceNow.

• I am familiar with the architecture of both McAfee and CrowdStrike

• I have hands-on experience with the CrowdStrike console

• I have not worked on ServiceNow

• I can provide more details on the architecture and functionality of both products if needed

Use SQL query with COUNT function to get the count of records in the table.

• Use the SQL query: SELECT COUNT(*) FROM table_name;

• Replace 'table_name' with the actual name of the table you want to count records from.

• The COUNT function returns the number of rows that match the specified criteria.

DBMS stands for Database Management System. It is a software that manages databases and allows users to interact with them.

• DBMS is a software system that allows users to create, retrieve, update, and manage data in a database.

• There are different types of DBMS, such as relational DBMS (RDBMS), object-oriented DBMS (OODBMS), and NoSQL DBMS.

• Examples of popular DBMS include MySQL, Oracle Database, Microsoft SQL Server, and MongoDB.

Java8 code for multi-threading and file handling

• Use ExecutorService to create and manage threads

• Use Files class to read/write files

• Example: ExecutorService executor = Executors.newFixedThreadPool(5);

• Example: Files.write(Paths.get("file.txt"), "Hello World".getBytes());

To add a record to a table, you can use SQL INSERT statement.

• Use the INSERT INTO statement followed by the table name

• Specify the column names and values to be inserted

• Example: INSERT INTO employees (id, name, salary) VALUES (1, 'John Doe', 50000)

To update a table, use SQL UPDATE statement with specified column values and conditions.

• Use SQL UPDATE statement to specify the table name and set the new values for columns

• Add a WHERE clause to specify the conditions for which rows to update

• Example: UPDATE table_name SET column1 = value1, column2 = value2 WHERE condition;

Joins in SQL are used to combine rows from two or more tables based on a related column between them.

• Joins are used to retrieve data from multiple tables based on a related column.

• Common types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.

• Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column;

My expertise in Tableau lies in data visualization, dashboard creation, and advanced analytics.

• Data visualization using various chart types like bar graphs, line charts, and scatter plots

• Creating interactive dashboards for easy data analysis

• Utilizing advanced analytics features like forecasting and trend analysis

Truncate is a DDL operation that removes all rows from a table, while delete is a DML operation that removes specific rows.

• Truncate is faster than delete as it doesn't generate any undo logs or triggers.

• Truncate cannot be rolled back, while delete can be rolled back using the transaction log.

• Truncate resets the identity of the table, while delete doesn't.

• Truncate doesn't fire delete triggers, while delete does.

• Truncate is non-logged operation, while delete is logged operation...read more

Constraints and DDL commands are essential for defining and managing database structures.

• Constraints ensure data integrity and consistency.

• DDL commands are used to create, modify, and delete database objects.

• Examples of constraints include primary keys, foreign keys, and check constraints.

• Examples of DDL commands include CREATE TABLE, ALTER TABLE, and DROP TABLE.

Different machine learning algorithms are used for various tasks like classification, regression, clustering, etc.

• Supervised learning algorithms: Decision Trees, Random Forest, Support Vector Machines

• Unsupervised learning algorithms: K-means clustering, Hierarchical clustering

• Reinforcement learning algorithms: Q-learning, Deep Q Networks

• Neural network algorithms: Convolutional Neural Networks, Recurrent Neural Networks

AWS offers a wide range of services for cloud computing, storage, databases, machine learning, and more.

• AWS EC2 - virtual servers in the cloud

• AWS S3 - scalable object storage

• AWS RDS - managed relational databases

• AWS Lambda - serverless computing

• AWS SageMaker - machine learning platform

• AWS DynamoDB - NoSQL database service

Joins are used to combine data from two or more tables based on a related column between them.

• Types of joins include inner join, left join, right join, and full outer join.

• Inner join returns only the matching rows from both tables.

• Left join returns all the rows from the left table and matching rows from the right table.

• Right join returns all the rows from the right table and matching rows from the left table.

• Full outer join returns all the rows from both tables, with NULL val...read more