Updating one SQL Table field from another SQL table field based on one-many filter...

Hello Experts,
I have two SQL Tables that blook like this:
Table A.
RecordNum      Date            LotNum
1                    9/12/13      100
2                    9/12/13      100
3                    9/13/13      100
4                    9/14/13      101
5                    9/14/13      101      
6                    9/14/13      101
7                    9/15/13      102      
8                    9/15/13      102

Table B.
RecordNum      Date            LotNum
1                    9/15/13      100
2                    9/16/13      101
3                    9/17/13      102

I would like to update the date column in Table A for each row based on LotNum  in TableB.
TableA should look like this after the update:

RecordNum      Date            LotNum
1                    9/15/13      100
2                    9/15/13      100
3                    9/15/13      100
4                    9/16/13      101
5                    9/16/13      101      
6                    9/16/13      101
7                    9/17/13      102      
8                    9/17/13      102

Does anyone know how to do this?

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Guy Hengel [angelIII / a3]Billing EngineerCommented:
Éric MoreauSenior .Net ConsultantCommented:
update a
set date = b.date
from TableA as a
Inner Join TableB as b
on b.LotNum = a.LotNum

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SaxitalisAuthor Commented:
That was it - Thanks!
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Microsoft SQL Server

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