Birlasoft Tableau Developer Interview Questions and Answers

Create a flag to identify data that has not been updated

• Add a new column in the dataset called 'Updated Flag'

• Use a formula to check if the data has been updated recently

• For example, if the last update date is more than 30 days ago, set the flag to 'Not Updated'

BERT is a pre-trained natural language processing model developed by Google.

• Bidirectional Encoder Representations from Transformers

• Utilizes transformer architecture with attention mechanisms

• Pre-trained on large corpus of text data for various NLP tasks

• Fine-tuned for specific tasks like text classification, question answering, etc.

We ensure high availability by configuring multiple worker nodes and using load balancers.

• Configure multiple worker nodes to distribute the load and ensure redundancy.

• Use load balancers to distribute the traffic among the available worker nodes.

• Monitor the worker nodes for any failures and take appropriate actions to replace or repair them.

• Ensure that the Tableau Server is configured to automatically recover from worke...read more

To restore a single dashboard, select the dashboard from the backup file and import it to the server.

• Locate the backup file containing the dashboard

• Open Tableau Server and go to the 'Import' tab

• Select the backup file and choose the dashboard to restore

• Click 'Import' to restore the dashboard to the server

Groups and sets are two ways to combine related data in Tableau for easier analysis and visualization.

• Groups allow you to combine related dimension members into higher-level categories.

• Sets are custom fields that define a subset of data based on conditions you specify.

• Groups are static and cannot be changed once created, while sets are dynamic and can be updated based on filters or calculations.

• Examples: Grouping state...read more

Rank assigns unique rank to each row, Dense Rank assigns consecutive rank without gaps.

• Rank leaves gaps in rank sequence if there are ties, Dense Rank does not

• Rank assigns unique rank to each row, Dense Rank assigns consecutive rank without gaps

• Example: Rank - 1, 2, 3, 4, 4, Dense Rank - 1, 2, 3, 4, 4

I am responsible for managing Tableau Server, including user access, data sources, and performance optimization.

• Manage user access and permissions on Tableau Server

• Maintain data sources and ensure they are up-to-date

• Optimize server performance for faster loading times

• Troubleshoot any server-related issues

• Monitor server usage and performance metrics