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Published byOswaldo Morrison Modified over 2 years ago

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Where we left it 2 weeks agao

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We found duplicates with a pivot table

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And replaced those with a VLOOKUP

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There are other ‘problems’ here

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A spreadsheet is not perfect for ‘repeatable’ analysis

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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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Suppose I need these two values

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Every week on new data

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Don’t paste!

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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 to make 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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WUUUUUT?

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A bit of theory

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Relationship

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Key

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Foreign key

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Key

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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

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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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Now what?

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