Question

how do i convert an access date/time field value to integer?

Asked by: shwelosa

I imported a  text file from a lotus approach database into ms access.  the date field is 1/27/1995 and i would like to convert it to an integer date field where it will read 12795.  From there i will export the data to a sql table where it is defined as an integer.  Please help.

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Asked On
2009-04-01 at 12:37:58ID24286284
Tags

converting date to integer

Topics

Microsoft Access Database

,

SQL Query Syntax

Participating Experts
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Answers

 

by: peter57rPosted on 2009-04-01 at 12:45:14ID: 24043124

What datatype does it show as in the Access table?

 

by: shwelosaPosted on 2009-04-01 at 12:49:19ID: 24043182

some of the date fields show as date/time and some as text.  

 

by: BrandonGalderisiPosted on 2009-04-01 at 13:25:51ID: 24043650

you REALLY don't want to store dates as integers.

 

by: shwelosaPosted on 2009-04-01 at 13:30:06ID: 24043697

i know.  however, it is what i have to deal with.  The program that is reading this table is a combination of cobol and sql.  sorry.

 

by: BrandonGalderisiPosted on 2009-04-01 at 13:33:22ID: 24043721

Well the SQL to convert that would be

select cast(replace(convert(varchar(10), YourDateField, 1) ,'/','') as int)

I don't know how you are loading it into SQL though

 

by: cactus_dataPosted on 2009-04-01 at 14:00:27ID: 24043970

Use the expression

Val(Format([YourDateField], mmddyy))

It will return an integer.

/gustav

 

by: GRayLPosted on 2009-04-01 at 14:23:54ID: 24044175

Use CInt(fldDate) - is all you need

 

by: GRayLPosted on 2009-04-01 at 14:27:49ID: 24044214

Sorry, the date now exceeds Integer limitations.  Use CLng(fldDate).  In your table create a Long field named lDate and run this query:

Update myTable SET lDate= CLng(fldDate)


 

by: GRayLPosted on 2009-04-01 at 14:29:50ID: 24044232

Sorry, CLng() rounds up.  use Int(fldDate)

UPDATE myTable SET iDate = Int(fldDate);


 

by: shwelosaPosted on 2009-04-01 at 14:36:06ID: 24044285

hi Brandon,

when i used the cast suggestion in access, i get an error.  it is syntax error (missing operator) in query expression tablename.cast(replace(convert(varchar(10), mydadefield, 1) ,'/','') as int).  pls help.

 

by: shwelosaPosted on 2009-04-01 at 14:41:46ID: 24044328

hi GrayL,

what is idate?

 

by: shwelosaPosted on 2009-04-01 at 14:43:31ID: 24044343

hi Cactus data,

How would i code the val stmt?

 

by: GRayLPosted on 2009-04-01 at 14:53:13ID: 24044419

It was supposed to be the new field you created in the table.  Just so all prefixes add up, we create a new field in the table named fldDateLng (Integer won't cut it).  Then we run this query:

UPDATE myTable SET fldDateLng=Int(fldDate);

Note the Int() function produces the integer value of a number, not an Integer datatype.

 

by: shwelosaPosted on 2009-04-01 at 15:31:10ID: 24044644

hi GrayL,
it is asking me to enter the value for flddatelng and if i tried to enter the value of 1 record, it says that the field is not updateable.

 

by: GRayLPosted on 2009-04-01 at 17:41:26ID: 24045480

Can you post the SQL of your update query?

 

by: cactus_dataPosted on 2009-04-01 at 23:51:01ID: 24047084

Too much confusion here.

1. The integer value requested is not the numeric value of a date value but a value from the formatted date. Thus values will fall between 10100 and 123199 and the data type of the new field must be Long.

2. The conversion is taking place in Access. Thus an update query will use Access SQL.

3. Data export will happen later.

So all that is needed is a simple update query in Access:

UPDATE
  tblYourTable
SET
  YourLongField = Val(Format([YourDateField], mmddyy));

/gustav

 

by: GRayLPosted on 2009-04-02 at 09:16:55ID: 24051550

You have to use your own table and field names, replacing myTable, fldDate and fldDateLng accordingly

20120131-EE-VQP-002

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