|
|||||||
Как в коде VBA объявить поле Access-таблицы ключевым
Время создания: 16.03.2019 23:43
Текстовые метки: CreateDataBase, PrimaryKey, index, access
Раздел: Разные закладки - VBA - Access - CreateDataBase
Запись: xintrea/mytetra_db_adgaver_new/master/base/151377558287c4p3stt2/text.html на raw.githubusercontent.com
|
|||||||
|
|||||||
'Primary Property Example 'This example uses the Primary property to designate a new Index in a new TableDef as the primary Index for that table. 'Note that setting the Primary property to True automatically sets Unique and Required properties to True as well. Sub PrimaryX() 'oDb) Dim dbsNorthwind As DAO.Database Dim tdfNew As DAO.TableDef Dim idxNew As DAO.Index Dim idxLoop As DAO.Index Dim fldLoop As DAO.Field Dim prpLoop As DAO.Property Set dbsNorthwind = OpenDatabase("strPath.accdb") 'oDb 'OpenDatabase("Northwind.mdb") ' Create and append a new TableDef object to the ' TableDefs collection of the Northwind database. Set tdfNew = dbsNorthwind.CreateTableDef("NewTable")
tdfNew.Fields.Append tdfNew.CreateField("NumField", dbLong, 20) tdfNew.Fields.Append tdfNew.CreateField("TextField", dbText, 20)
dbsNorthwind.TableDefs.Append tdfNew With tdfNew ' Create and append a new Index object to the ' Indexes collection of the new TableDef object. Set idxNew = .CreateIndex("NumIndex") idxNew.Fields.Append idxNew.CreateField("NumField") idxNew.Primary = True .Indexes.Append idxNew
Set idxNew = .CreateIndex("TextIndex") idxNew.Fields.Append idxNew.CreateField("TextField") ' idxNew.Primary = True .Indexes.Append idxNew Debug.Print .Indexes.Count & " Indexes in " & _ .Name & " TableDef" ' Enumerate Indexes collection. For Each idxLoop In .Indexes With idxLoop Debug.Print " " & .Name ' Enumerate Fields collection of each Index ' object. Debug.Print " Fields" For Each fldLoop In .Fields Debug.Print " " & fldLoop.Name Next fldLoop ' Enumerate Properties collection of each ' Index object. Debug.Print " Properties" For Each prpLoop In .Properties Debug.Print " " & prpLoop.Name & _ " = " & IIf(prpLoop = "", "[empty]", _ prpLoop) Next prpLoop End With Next idxLoop End With dbsNorthwind.TableDefs.Delete tdfNew.Name dbsNorthwind.Close End Sub |
|||||||
Так же в этом разделе:
|
|||||||
|
|||||||
|