ms-access

问题 I'm writing some documentation on how to connect Access to SQL via ODBC. I honestly always just choose "11.0" when it comes to drivers, just because. But I'm wondering what determines the driver I "should" be using? Does the version of SQL Server determine this? And I'm assuming the "User's" computer won't have all the driver's I'm seeing here so can someone just clarify the rules to choosing the correct driver? 回答1: According to a blog post located here, SQL Native Client was introduced in

问题 I can't solve this on MS Access SQL. I have a foo table with this fields: id, title, category, date I need to show 6 records showing the 2 most recent items from each category For example, I have: ID TITLE CAT DATE ------------------------ 1 aaa cat1 12/03/12 2 sdfs cat2 12/03/12 3 asg cat2 13/03/12 4 flkgjfl cat3 11/03/12 5 dgdg cat1 18/03/12 6 dfgd cat1 15/03/12 7 dgdgd cat3 18/03/12 8 dfgd cat3 12/03/12 9 uiuou cat1 14/03/12 10 ghj cat4 11/03/12 So, I need something like: ID TITLE CAT DATE

问题 I have an MS Access form in which selection of a list box item determines how many other aspects of the application behave. I have a table containing an ID and description and several other fields which correspond to settings for other aspects of the application; this table is the Row Source of the list box. The list box is configured such that the first two columns (ID & Description) are visible, with the widths of the remaining columns set to 0 - the Column Widths property of the list box

问题 I have built my application but a problem has arisen that I cant get my head around - My application has no autoexec yet so I open access and double click on my userform to open it. On opening the userform Access crashes and closes However, if I first put the userform in design view, then open the form in form view it works fine. How can this be? It cant be the Form Load coding or it would still crash when going from design view to form view. I will include my form load coding in case: Me

问题 I have built my application but a problem has arisen that I cant get my head around - My application has no autoexec yet so I open access and double click on my userform to open it. On opening the userform Access crashes and closes However, if I first put the userform in design view, then open the form in form view it works fine. How can this be? It cant be the Form Load coding or it would still crash when going from design view to form view. I will include my form load coding in case: Me

问题 I am currently writing a mdb Migration script in Java. This is noting but adding and modifying some of the column names in the MDB file. I created new tables and thats not a problem but I could not find a query to Alter the name of the column Lets say I have table named Employees having columns as "ID", "EName", "Active?" Now I want to change the column name "Active?" to "Active" (i.e. without question mark.) How this can be done using JDBC java. THanks 回答1: One way to accomplish your goal

问题 I have a form TForm based on table T , set up as a datasheet. My goal is to add a filterable column to the datasheet where the column's value is calculated from a query using another column's value. I tried to do this by adding a text box currentBox to T . The control source for currentBox is: =DLookUp("name","currentStatus","itemID=" & [ID]) where [ID] is a field in T and currentStatus is an aggregate query on a table that T is related to. I can filter on all the fields in TForm that are in

问题 Following data and using MS Access with VB6 UserID UserName LogTime LogDate 1 S 9:00 21/5/2010 1 S 10:00 21/5/2010 1 S 11:00 21/5/2010 1 S 12:00 21/5/2010 1 S 14:00 21/5/2010 1 S 17:00 21/5/2010 Need Output as in below 6 columns:- 1 S 21/5/2010 9:00 21/5/2010 10:00 1 S 21/5/2010 11:00 21/5/2010 12:00 1 S 21/5/2010 14:00 21/5/2010 17:00 回答1: This is not going to be fast: SELECT x.UserID, x.UserName, y.LogTime, x.LogTime, y.LogDate FROM ( SELECT Test.UserID, Test.UserName, Test.LogTime, Test

问题 I've got a homework that includes SQL with MS Access I've been trying hard to figure it out but could'nt.. Im just getting an error message.. My code is for a view.. This is the code: (SELECT Rum, COUNT(DISTINCT(Larare)) AS antal FROM Kurstillfalle GROUP BY Rum) 回答1: Access does not support COUNT(DISTINCT columnname) but you can do this: SELECT t.Rum, COUNT(t.Larare)) AS antal FROM (SELECT DISTINCT Rum, Larare FROM Kurstillfalle) AS t GROUP BY t.Rum 来源： https://stackoverflow.com/questions

问题 I am trying to do an automated xml export from an access database using C# and OLE. Everything is working perfectly except that the startup form is shown and won't close without user intervention. Here's what I am doing so far: objAccess = CreateObject("Access.Application"); objAccess.OpenCurrentDatabase("C:\\MYDB.mdb", true); //true = open in exclusive mode objAccess.ExportXML(0, "TestTable", "c:\\test.xml"); objAccess.CloseCurrentDatabase(); objAccess.Quit(); 回答1: As far as I know the only