Tniit Consultancy Senior Software Development Engineer Interview Questions and Answers

SQL is a programming language used for managing and manipulating relational databases.

• SQL stands for Structured Query Language.

• It is used to communicate with databases to retrieve, insert, update, and delete data.

• Common SQL commands include SELECT, INSERT, UPDATE, DELETE.

• SQL can be used to create and modify database schemas.

• Examples of popular database management systems that use SQL include MySQL, PostgreSQL, and Orac

A dataset is a collection of data that is organized in a structured format for easy access and analysis.

• A dataset can consist of a single table or multiple tables of data.

• Each row in a dataset represents a unique record, while each column represents a specific attribute or variable.

• Datasets can be used for various purposes such as statistical analysis, machine learning, and data visualization.

A bug is an error, flaw, failure, or fault in a computer program or system that causes it to produce incorrect or unexpected results.

• A bug can manifest as a software crash, incorrect output, or unexpected behavior.

• Bugs can be caused by coding errors, design flaws, or unexpected interactions between different components.

• Examples of bugs include logic errors, syntax errors, and memory leaks.