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How can I get a list of all the tables and fields in a database?|Power Query|Excel Forum|My Online Training Hub

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How can I get a list of all the tables and fields in a database?
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Chris Collinson
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September 5, 2018 - 11:17 pm
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I have recently been asked to create a load of reports using data from our ERP system. In order to get an understanding of which tables to use to get the required data from, it would be really useful to create a table in excel that shows a list of all the tables in the database with all the fields in each table. 

There are nearly 1000 tables in the database so before I start to create the table manually I was wondering if there was a way that I can get PQ to do it for me.

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Mynda Treacy
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September 6, 2018 - 9:01 am
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Hi Chris,

Maybe the Table.Schema function will help as described here: https://blog.crossjoin.co.uk/2.....power-bim/

Mynda

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Chris Collinson
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September 6, 2018 - 11:24 pm
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Thanks Mynda,

Unfortunately due to my limited knowledge of M I could only get Table.Schema to work on one table at a time. I did however manage to cobble a soultion together using List.Union and List.Transform.

Thanks again

Chris

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Mynda Treacy
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September 7, 2018 - 9:04 am
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Glad you got there in the end, Chris.

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Chris Collinson
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September 7, 2018 - 9:59 pm
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I scrapped my way of doing it when I found this

Just 4 lines of SQL got me what a list of all the fields whit the tables that contain them.

Select
     c.table_name,
     c.column_name
from Information_schema.columns c

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Mynda Treacy
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September 8, 2018 - 8:41 am
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Awesome! Thanks for sharing, Chris.

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