LiquidHub Interview Questions, Process, and Tips

Sets in Tableau are custom groupings of dimensions or measures, while groups are predefined groupings of dimensions.

• Sets are dynamic and can be created based on conditions or filters, while groups are static and predefined.

• Sets can be used for creating custom segments or categories, while groups are typically used for organizing data into predefined categories.

• Examples: A set could be created to group customers who mad...read more

LOD expressions in Tableau are Level of Detail expressions that allow you to compute values at different levels of granularity.

• LOD expressions can be used to calculate values at the level of detail of the visualization, regardless of the dimensions in the view.

• They can be written using FIXED, INCLUDE, or EXCLUDE keywords to specify the level of detail.

• For example, you can use an LOD expression to calculate the total sa...read more

R12 is Oracle E-Business Suite while Fusion is Oracle Cloud Applications, offering different functionalities and deployment options.

• R12 is an on-premise solution, while Fusion is a cloud-based solution

• Fusion offers more modern and user-friendly interface compared to R12

• Fusion provides more advanced features like AI and machine learning capabilities

• R12 has been around longer and may have more mature functionality in cer

Some major design patterns used include Singleton, Factory, Observer, and Strategy patterns.

• Singleton pattern ensures a class has only one instance and provides a global point of access to it.

• Factory pattern creates objects without specifying the exact class of object that will be created.

• Observer pattern defines a one-to-many dependency between objects so that when one object changes state, all its dependents are noti...read more

Use distributed computing systems like Hadoop or Spark to process large amounts of data efficiently.

• Utilize distributed computing systems like Hadoop or Spark

• Break down the data into smaller chunks for parallel processing

• Use data compression techniques to reduce storage and processing overhead

• Consider using cloud-based solutions for scalability and cost-effectiveness

Asynchronous ajax should be used when you want to make a request without blocking the rest of the code execution.

• Use asynchronous ajax when you need to fetch data from a server without pausing the execution of other scripts

• It is useful when you want to update parts of a webpage dynamically without reloading the entire page

• Asynchronous ajax is commonly used in web applications to improve user experience by loading data