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how to add a column to a exist table with a query in access 2013

Posted on 2013-05-26
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Last Modified: 2013-05-26
hi

i want to add a coulumn to table that the values are format like percents something like this

ALTER TABLE SampleTable 
ADD COLUMN LO double (percent) 

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Question by:bill201
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5 Comments
 
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Expert Comment

by:ChloesDad
ID: 39197891
Its as you say, although you dont need the (percent)

ALTER TABLE SampleTable ADD COLUMN LO double

Double either takes no parameters or two parameters

See here for data types http://www.w3schools.com/sql/sql_datatypes.asp
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Author Comment

by:bill201
ID: 39197959
But I want it look visually like a percent
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LVL 15

Expert Comment

by:ChloesDad
ID: 39197985
The formatting of the value is normally done in the user interface not in the actual field in the database, so the value in the database would be 50.0 and you would format it to show 50.0% on screen.

If you manipulate the field manually using access then you can set the format property to percent, but I dont know if you can do that in SQL.
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Author Comment

by:bill201
ID: 39197991
is there some other way how to do it with vba ?
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Accepted Solution

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ChloesDad earned 1500 total points
ID: 39198028
The way that I would do it is to have the number as a double in the table and then use the format function to adjust how it is displayed on screen.

Format(number,"percent")

http://msdn.microsoft.com/en-us/library/office/gg251755.aspx

Then when you are updating the table you can convert it back to a number again.
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