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

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Where we left it 2 weeks agao

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

Page 1: Where we left it 2 weeks agao. We found duplicates with a pivot table.

Where we left it 2 weeks agao

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

We found duplicates with a pivot table

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We found duplicates with a pivot tableAnd replaced those with a VLOOKUP

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There are other ‘problems’ here

Page 5: Where we left it 2 weeks agao. We found duplicates with a pivot table.

A spreadsheet

is not perfect for

‘repeatable’ analysis

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But I want a filter

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But I want a filter

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And another one

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Suppose I need these two values

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Manually filter

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Two pivot tables

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Two pivot tables

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Suppose I need these two values

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Suppose I need these two valuesEvery week

on new data

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Don’t paste!

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Don’t

paste!Use a...

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Included in Office

(Professional and higer)

Definitely not the only

database!

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No grid?

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We have tomake tables

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Okay, we could paste

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Instead of pasting, we can import!

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Designed for repeated tasks

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As always,

tools are no

substitute

for thinking!

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WUUUU

UT?

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Page 59: Where we left it 2 weeks agao. We found duplicates with a pivot table.

A bit of

theory

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A bit of

theory

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Relationship

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Key

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Key

Key

Key

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Foreign key Foreign

key

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Key

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Key

Foreign keys

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We can do a VLOOKUP,

because we know there

is a corresponding ‘8’ in

the settings

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This relationship expresses that knowing

Page 73: Where we left it 2 weeks agao. We found duplicates with a pivot table.

Excel does not

know nor

validate

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Databases do

validate

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Access knows!

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There are 1-to-1 relationships as well

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We distilled the

model from

data

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More often,

you model

upfront

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

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Okay, we have a

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Okay, we have a

Now what?