SQL Update From Select Examples

https://stackoverflow.com/questions/2334712/how-do-i-update-from-a-select-in-sql-server

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UPDATE Table_A 

SET Table_A.col1 = Table_B.col1, Table_A.col2 = Table_B.col2 

FROM Some_Table AS Table_A 

INNER JOIN Other_Table AS Table_B ON Table_A.id = Table_B.id 

WHERE Table_A.col3 = 'cool'

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--Update Barcode UofM's to match Item UofM's for Bulk Label Printing

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update BARCODE

Set BARCODE.[Unit of Measure Code] = ITEM.[Base Unit of Measure]

From [CRONUS LS 1101 W1 Demo$Barcodes] as BARCODE

INNER JOIN [CRONUS LS 1101 W1 Demo$Item] as ITEM on BARCODE.[Item No_] = ITEM.No_

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