Problem combining date fields into a created field

[ja01]

I have a created field in Access called Birthdate(text)which is blank. I want to pulled 3 fields, birthm(text) birthd(text) and birthyr(text) into the created field called Birthdate. The display should read MMDDYYYY (ie 09112007). In the query section in Access, must I do an update query and some time of formula to concatenate the 3 fields and then combine them into one? Assumning I do an update query, Here is my assumption here:
Field: Birthdate
Table: the actual table
Update to: ???
Need some help here

 

[dhookom]

You shouldn't need to store the combined value since it can be easily calculated on the fly in a query or where ever needed:
BirthMMDDYYYY: birthm & birthd & birthyr
IMHO you should store the birthday in a date/time field. You can then separate into day, month, and year as needed. You could also, easily calculate age from the birthdate field.

Duane MS Access MVP
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[SkipVought]

and...

the absolutely worse thing to do, adding insult to injury, is to store your birthdate as a mmddyyyy STRING, that will not collate in a correct way, rendering it about as useful as a piece of paper in a file cabinet, ie
[tt]
01012007
12312006
[/tt]
This is how these two "date" will sort, because "0" sorts before "1", but it is OBVIOUSLY incorrect. You cannot do arithmetic on these "dates". Oh, the humanity!!!!


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