Monday, June 3, 2024

How Chat GPT could help you learn Power Query

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How to harness the power of Chat GPT:


I asked chat GPT to help me learn Power Query.

I used this prompt:

"I am trying to learn power query.

Give me a comical way to remember how to work with functions in power query."


You will be amazed to see the result: 

Chat GPT replied as follows:

Sure, here's a humorous take to help you remember how to work with functions in Power Query:


"Think of Power Query as a magical kitchen where you’re the chef. Each function is a different cooking utensil. Let's break it down:


1. 'M' Language (The Recipe Book): The mystical cookbook that holds the secrets to all your culinary (data) transformations. Open it to discover spells like 'Table.TransformColumns' and 'List.Accumulate'.


2. 'let' Statement (Prepping Ingredients): Before you start cooking, gather and prepare your ingredients. This is where you lay out all your veggies (variables) and get them ready for the main dish.


3. 'each' (The Sous-Chef): This trusty helper steps in whenever you need to apply the same action to each item, like dicing all the carrots or chopping every onion.


4. 'in' (The Presentation): This is the grand reveal where your dish is plated and ready to serve. It's the result of all your hard work, neatly presented for everyone to enjoy.


5. 'Text Functions' (Blender): When your data (ingredients) needs to be pureed into a smooth consistency, reach for these. Functions like 'Text.Split' and 'Text.Upper' will blend your ingredients into a delicious puree.


6. 'Number Functions' (Measuring Cups): Precision is key in cooking, just like data transformation. These functions, such as `Number.Round` and `Number.From`, help you measure your data precisely.


7. 'Table Functions' (Big Mixing Bowl): Sometimes you need a big bowl to mix all your ingredients (data) together. 'Table.Join' and 'Table.AddColumn' are perfect for when you need to combine everything into a cohesive dish.


8. **`List Functions` (Spice Rack)**: Adding a pinch of salt or a dash of pepper can make all the difference. Use `List.Sort` and `List.Select` to season your data to perfection.


9. **`Date Functions` (The Timer)**: Timing is everything in cooking. Functions like `Date.AddDays` and `Date.DayOfWeek` ensure your data is cooked to perfection, not overdone or raw.


Remember, the key to mastering Power Query functions is to think like a chef. Each function is a tool in your kitchen, and with practice, you'll be cooking up gourmet data transformations in no time!"


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