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From: Eric B on 16 Apr 2010 12:13 Thank you for the quick reply. That worked. "Daryl S" wrote: > Eric - > > I expect that for each year's file, each student will only have one of the > three columns filled in (e.g. a student in 9th grade in 2008 would only have > Comp_9 in the Comp 2008 table, only Comp_10 in the 2009 table, and Comp_11 in > the 2010 table. You would have students in 11th grade in 2008 that are not > in the 2009 or 2010 tables. You also don't want to replace the Comp_9 score > that was pulled for a student from the 2008 file with the NULL value that is > in that column in the 2009 table. > > This means you need to deal with the nulls. I would recommend running an > update on only one column at a time from each table, and replace only where > there is no value in the table and the source table has a value. It will > look like this: > > Field: Comp_9 | Comp_9 > Table: ITED Data | Comp 2008 > Update To: [Comp_2008].[Comp_9] | > Criteria: Is Null |is not null > > Notice there is nothing in the Update To: area under the Comp_9 field for > the Comp 2008 table, as you do not want to update that table. You just need > to make sure it has a value. Do this for each column one at a time and for > each source table. > > -- > Daryl S > > > "Eric B" wrote: > > > I am currently creating my second database using Access 2003. The first, > > while still leaving me with a few headaches, did not seem to give me the same > > problems as this project. I am trying to create a database to help keep > > track of students standardized test scores. To get the scores I had to > > download each individual test (for each grade level) for each year in Excel. > > (Reading Total, Composite, etc.) Or, 12 total sets of scores. > > > > I was able to create a table for student information and am now stuck with > > trying to "merge" the actual test scores into a separate table. To start > > with I imported 3 excel files (Comp 2010, Comp 2009, and Comp 2008) which > > includes all the composite scores from the ITEDs for the past three years. I > > want to combine all the test scores in a single table. All four tables > > contain: St_Id (key), Comp_9, Comp_10, Comp_11. (Comp_# is the composite > > score they earned in the # grade.) Each St_Id will have only one score / > > test / test year. > > > > I am trying to use an update query to move the test scores over to a new > > table (ITED Data). I want to get rid of the individual test tables as that > > just seems like clutter to me. This is where I am stuck. (All related > > fields in different tables have the same name and Data Types and the St_Id is > > linked amongst the tables.) My goal is to end up with 2 tables, one for > > student information and one for test scores. > > > > In the update query I am looking at: > > Field: Comp_9 | Comp_10 | Comp_11 > > Table: ITED Data | ITED_Data | etc. > > Update To: [Comp_2010].[Comp_9] | etc. > > > > The only scores that seem to update are the scores for Comp_11. All other > > records are blank. > > > > I tried changing Update To: to look something like: IIf([fldname]=Null,[Temp > > Comp 2009].[Comp_9],"") but still am not having luck. > > > > Is this possible with a "simple" query or am I looking at having to code > > (VBA) what I need? > > > > I apologize for leaving a novel, but wanted to be as thorough as possible. > > > > Thanks, > > Eric
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