10+ Rentickle Interview Questions and Answers

The candidate should write a code in Javascript and explain it.

• Use proper syntax and conventions of Javascript

• Explain the purpose of the code and how it works

• Provide examples to demonstrate the code

The tags used to create a table in HTML are

Joins are used in databases 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.

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

• INNER JOIN returns rows when there is at least one match in both tables.

• LEFT JOIN returns all rows from the left table and the matched rows from the right table.

• RIGHT JOIN returns all rows from the right table and the matc...read more

A function in Oracle Database is a named PL/SQL block that can accept parameters and return a value.

• Functions can be used to perform calculations, manipulate data, or return specific values.

• They can be called from SQL queries or other PL/SQL blocks.

• Functions must return a single value of a specified data type.

Yes, I am ready to reallocate.

• I am open to relocating to a different city or country for the right opportunity.

• I have experience working remotely and can adapt to different work environments.

• I am willing to travel for work-related purposes if required.

Projects are practical applications of skills and knowledge to solve real-world problems or create new products.

• Projects involve setting goals, planning tasks, and executing them within a specified timeline.

• They often require collaboration with team members and stakeholders.

• Projects can range from developing software applications to conducting research studies.

• Examples: Building a website for a client, creating a mobile app, implementing a new database system.

Different types of errors include syntax errors, runtime errors, and logical errors.

• Syntax errors: Errors in the code structure that prevent it from being compiled or executed.

• Runtime errors: Errors that occur during program execution, such as division by zero or accessing an out-of-bounds array element.

• Logical errors: Errors in the program's logic that result in incorrect output or behavior.

• Examples: Syntax error - missing semicolon at the end of a statement. Runtime error -...read more

SQL injection is a type of cyber attack where malicious SQL code is inserted into input fields to manipulate a database.

• SQL injection occurs when an attacker inserts malicious SQL code into input fields on a website.

• This can allow the attacker to access, modify, or delete data from the database.

• Preventing SQL injection involves using parameterized queries and input validation.

• Example: Entering ' OR '1'='1' into a login form to bypass authentication.

Principles of software testing involve thorough planning, systematic execution, and continuous improvement.

• Testing should start early in the software development lifecycle.

• Testing should be based on requirements and specifications.

• Testing should be thorough and cover all possible scenarios.

• Testing should be repeatable and consistent.

• Testing should be automated where possible to increase efficiency.

• Testing should be performed by independent testers to ensure objectivity.

• Testin...read more

SDLC stands for Software Development Life Cycle and STLC stands for Software Testing Life Cycle.

• SDLC is a process used by software development teams to design, develop, and test high-quality software.

• STLC is a subset of SDLC focused on testing activities such as test planning, test design, test execution, and test closure.

• SDLC includes phases like requirements gathering, design, development, testing, deployment, and maintenance.

• STLC includes phases like test planning, test ca...read more

Reverse the given array of strings

• Iterate through the array from both ends and swap elements until reaching the middle

• Use a temporary variable to store the value of the element being swapped

The div tag is an HTML element used to group and style other HTML elements.

• The div tag is a container that allows you to group other HTML elements together.

• It is commonly used to apply CSS styles to a group of elements.

• The div tag has no semantic meaning and is purely used for layout and styling purposes.

• You can use multiple div tags to create complex layouts on a web page.