Where we left it 2 weeks agao. We found duplicates with a pivot table.

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Presentation transcript:

Where we left it 2 weeks agao

We found duplicates with a pivot table

And replaced those with a VLOOKUP

There are other ‘problems’ here

A spreadsheet is not perfect for ‘repeatable’ analysis

But I want a filter

And another one

Suppose I need these two values

Manually filter

Two pivot tables

Suppose I need these two values

Every week on new data

Don’t paste!

Use a...

Included in Office (Professional and higer) Definitely not the only database!

No grid?

We have to make tables

Okay, we could paste

Instead of pasting, we can import!

Designed for repeated tasks

As always, tools are no substitute for thinking!

WUUUUUT?

A bit of theory

Relationship

Key

Foreign key

Key

Foreign keys

We can do a VLOOKUP, because we know there is a corresponding ‘8’ in the settings

This relationship expresses that knowing

Excel does not know nor validate

Databases do validate

Access knows!

There are 1-to- 1 relationships as well

We distilled the model from data

More often, you model upfront

I expect you to be able to make a diagram, based on data or story

Okay, we have a

Now what?