Blog | From Zero To Dat Nal

Ammu Fredy

1 min read

Sepsis:Power BI Project

Sepsis is the body’s extreme response to an infection. It is a life-threatening medical emergency. Sepsis happens when an infection you...

Ammu Fredy

4 min read

Data Cleaning in Tableau

After gathering the data for visualization in tableau our next step is to clean the data. For quality decision-making, we need to make...

Ammu Fredy

3 min read

PYTHON :Interview Question based on the Topic List

Image: Photo by Chris Ried on Unsplash Python has five Datatypes. The list is a built-in datatype used to store the collection of data....

Ammu Fredy

2 min read

How to add a hyperlink in Dashboard of Tableau

Hi guys ,I am back with a small blog. But this will be very helpful ,if you want to show details of data from a webpage. without further...

Ammu Fredy

1 min read

Animated Chart in Tableau

An animated chart or moving chart in tableau is used to view how the data changed over time, not just a snapshot of data .Actually, it is...

Ammu Fredy

1 min read

Let's create word cloud chart in Tableau

What is word cloud explain? A 'word cloud' is a visual representation of word frequency. The more commonly the term appears within the...

Ammu Fredy

1 min read

Let’s Create Funnel Chart In 5 Min

What is a Funnel chart? A tableau funnel chart is a type of visualization that represents linear workflows in decreasing order. It...

Ammu Fredy

2 min read

Donut chart in 10 min

WHAT IS A DONUT CHART A donut chart is almost identical to a pie chart, but the center is cut out (hence the name ‘donut’). Donut charts...

Ammu Fredy

2 min read

TRICKY SQL INTERVIEW QUESTION

Amber's conglomerate corporation just acquired some new companies. Each of the companies follows this hierarchy: Given the table schemas...

Ammu Fredy

2 min read

TOP 20 Coding Interview Question for Python

1: Convert a given string to int using a single line of code. A = ‘5’ PRINT(INT(A)) 5 2: Write a code snippet to convert a string to a...

Ammu Fredy

2 min read

20 SQL INTERVIEW CODING QUESTIONS

I have added 20 beginner-level coding questions, Hope these questions help you guys. 1. Create an Employee table CREATE TABLE EMPLOYEE...

Ammu Fredy

1 min read

Road map to be Data Analyst

My interest in data analytics started in 2019, after creating a YouTube channel. Even though the YouTube channel was not successful, I...