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Creating an Access DB & Tables

Does anyone know of a good example for creating a access database and then
tables within that database.

All the examples I have found so far use a SQL database.

Thanks,

Ken

Nov 21 '05 #1
18 2468
Ken

Here's a sample I cut and pasted from a prior program I worked on
Hope it helps. Note that when appending the items you can specify if the
column data is nullable, a size, a datatype etc etc.

Mike

Private Sub CreateDatabase( ByVal filename As String)

Dim CnnNew As ADODB.Connectio n

Dim CatNew As ADOX.Catalog

Try

' Open a Connection and create the Catalog (Database)

'

CnnNew = New ADODB.Connectio n

CatNew = New ADOX.Catalog

CatNew.Create(" Provider=Micros oft.Jet.OLEDB.4 .0;" & _

"Data Source=" & filename & ";" & _

"Jet OLEDB:Engine Type=5")
'Open the connection

CnnNew.Open("Pr ovider=Microsof t.Jet.OLEDB.4.0 ;" & "Data Source=" & filename)

'Open the Catalog

CatNew.ActiveCo nnection = CnnNew

'

'Now build all the Database tables as desired. Add or delete column

'attributes or properties as desired.

'

'Build and add the first Table

'

Dim objDesignTable As New ADOX.Table

With objDesignTable

..Name = "xxxxxxxx"

..ParentCatalog = CatNew

With .Columns

..Append("Units ", ADOX.DataTypeEn um.adVarWChar)

..Append("Code" , ADOX.DataTypeEn um.adVarWChar)

Append("Change X", adDouble)

..Append("Densi ty", adDouble)

..Append("NA1", adDouble)

..Item("NA1").A ttributes = ColumnAttribute sEnum.adColNull able

..Append("Occas ional Load Factor", adDouble)

..Append("Load Case W1", adBoolean)

..Append("Load Case T1", adBoolean)

..Append("Load X", adDouble)

..Item("Load X").Attribut es = ColumnAttribute sEnum.adColNull able

..Append("NA2", adDouble)

..Item("NA2").A ttributes = ColumnAttribute sEnum.adColNull able

..Append("FLAG1 ", adBoolean)

..Append("FLAG2 ", adBoolean)

..Append("FLAG3 ", adBoolean)

End With

'Create and Append a new auto incrementing column to be used

'as the primary key for the table

..Columns.Appen d("KeyID", adInteger)

..Columns("KeyI D").Properties( "AutoIncrement" ).Value = True

End With

'Create and Append a new key. Note that we are merely passing

'the "KeyID" column as the source of the primary key. This

'new Key will be Appended to the Keys Collection.

Dim objDesignKey As New ADOX.Key

objDesignKey.Na me = "PrimaryKey "

objDesignKey.Ty pe = KeyTypeEnum.adK eyPrimary

objDesignKey.Co lumns.Append("K eyID")

objDesignTable. Keys.Append(obj DesignKey)

'Append the newly created table to the Tables Collection

CatNew.Tables.A ppend(objDesign Table)

' clean up objects

objDesignKey = Nothing

objDesignTable = Nothing

'. Add or delete column

'attributes or properties as desired.

catch

'error code here

end try

end sub

"Ken Kazinski" <Ke*********@di scussions.micro soft.com> wrote in message
news:42******** *************** ***********@mic rosoft.com...
Does anyone know of a good example for creating a access database and then
tables within that database.

All the examples I have found so far use a SQL database.

Thanks,

Ken

Nov 21 '05 #2
Thanks Mike.

What references are required?

Ken
"Michael" wrote:
Ken

Here's a sample I cut and pasted from a prior program I worked on
Hope it helps. Note that when appending the items you can specify if the
column data is nullable, a size, a datatype etc etc.

Mike

Private Sub CreateDatabase( ByVal filename As String)

Dim CnnNew As ADODB.Connectio n

Dim CatNew As ADOX.Catalog

Try

' Open a Connection and create the Catalog (Database)

'

CnnNew = New ADODB.Connectio n

CatNew = New ADOX.Catalog

CatNew.Create(" Provider=Micros oft.Jet.OLEDB.4 .0;" & _

"Data Source=" & filename & ";" & _

"Jet OLEDB:Engine Type=5")
'Open the connection

CnnNew.Open("Pr ovider=Microsof t.Jet.OLEDB.4.0 ;" & "Data Source=" & filename)

'Open the Catalog

CatNew.ActiveCo nnection = CnnNew

'

'Now build all the Database tables as desired. Add or delete column

'attributes or properties as desired.

'

'Build and add the first Table

'

Dim objDesignTable As New ADOX.Table

With objDesignTable

..Name = "xxxxxxxx"

..ParentCatalog = CatNew

With .Columns

..Append("Units ", ADOX.DataTypeEn um.adVarWChar)

..Append("Code" , ADOX.DataTypeEn um.adVarWChar)

Append("Change X", adDouble)

..Append("Densi ty", adDouble)

..Append("NA1", adDouble)

..Item("NA1").A ttributes = ColumnAttribute sEnum.adColNull able

..Append("Occas ional Load Factor", adDouble)

..Append("Load Case W1", adBoolean)

..Append("Load Case T1", adBoolean)

..Append("Load X", adDouble)

..Item("Load X").Attribut es = ColumnAttribute sEnum.adColNull able

..Append("NA2", adDouble)

..Item("NA2").A ttributes = ColumnAttribute sEnum.adColNull able

..Append("FLAG1 ", adBoolean)

..Append("FLAG2 ", adBoolean)

..Append("FLAG3 ", adBoolean)

End With

'Create and Append a new auto incrementing column to be used

'as the primary key for the table

..Columns.Appen d("KeyID", adInteger)

..Columns("KeyI D").Properties( "AutoIncrement" ).Value = True

End With

'Create and Append a new key. Note that we are merely passing

'the "KeyID" column as the source of the primary key. This

'new Key will be Appended to the Keys Collection.

Dim objDesignKey As New ADOX.Key

objDesignKey.Na me = "PrimaryKey "

objDesignKey.Ty pe = KeyTypeEnum.adK eyPrimary

objDesignKey.Co lumns.Append("K eyID")

objDesignTable. Keys.Append(obj DesignKey)

'Append the newly created table to the Tables Collection

CatNew.Tables.A ppend(objDesign Table)

' clean up objects

objDesignKey = Nothing

objDesignTable = Nothing

'. Add or delete column

'attributes or properties as desired.

catch

'error code here

end try

end sub

"Ken Kazinski" <Ke*********@di scussions.micro soft.com> wrote in message
news:42******** *************** ***********@mic rosoft.com...
Does anyone know of a good example for creating a access database and then
tables within that database.

All the examples I have found so far use a SQL database.

Thanks,

Ken


Nov 21 '05 #3
Ken
Add Project COM references
Microsoft ADO ext (#.#) for DDL and Security
Microsoft ActiveX Data Objects #.# Library
Mike

"Ken Kazinski" <Ke*********@di scussions.micro soft.com> wrote in message
news:4B******** *************** ***********@mic rosoft.com...
Thanks Mike.

What references are required?

Ken
"Michael" wrote:
Ken

Here's a sample I cut and pasted from a prior program I worked on
Hope it helps. Note that when appending the items you can specify if the
column data is nullable, a size, a datatype etc etc.

Mike

Private Sub CreateDatabase( ByVal filename As String)

Dim CnnNew As ADODB.Connectio n

Dim CatNew As ADOX.Catalog

Try

' Open a Connection and create the Catalog (Database)

'

CnnNew = New ADODB.Connectio n

CatNew = New ADOX.Catalog

CatNew.Create(" Provider=Micros oft.Jet.OLEDB.4 .0;" & _

"Data Source=" & filename & ";" & _

"Jet OLEDB:Engine Type=5")
'Open the connection

CnnNew.Open("Pr ovider=Microsof t.Jet.OLEDB.4.0 ;" & "Data Source=" &
filename)

'Open the Catalog

CatNew.ActiveCo nnection = CnnNew

'

'Now build all the Database tables as desired. Add or delete column

'attributes or properties as desired.

'

'Build and add the first Table

'

Dim objDesignTable As New ADOX.Table

With objDesignTable

..Name = "xxxxxxxx"

..ParentCatalog = CatNew

With .Columns

..Append("Units ", ADOX.DataTypeEn um.adVarWChar)

..Append("Code" , ADOX.DataTypeEn um.adVarWChar)

Append("Change X", adDouble)

..Append("Densi ty", adDouble)

..Append("NA1", adDouble)

..Item("NA1").A ttributes = ColumnAttribute sEnum.adColNull able

..Append("Occas ional Load Factor", adDouble)

..Append("Load Case W1", adBoolean)

..Append("Load Case T1", adBoolean)

..Append("Load X", adDouble)

..Item("Load X").Attribut es = ColumnAttribute sEnum.adColNull able

..Append("NA2", adDouble)

..Item("NA2").A ttributes = ColumnAttribute sEnum.adColNull able

..Append("FLAG1 ", adBoolean)

..Append("FLAG2 ", adBoolean)

..Append("FLAG3 ", adBoolean)

End With

'Create and Append a new auto incrementing column to be used

'as the primary key for the table

..Columns.Appen d("KeyID", adInteger)

..Columns("KeyI D").Properties( "AutoIncrement" ).Value = True

End With

'Create and Append a new key. Note that we are merely passing

'the "KeyID" column as the source of the primary key. This

'new Key will be Appended to the Keys Collection.

Dim objDesignKey As New ADOX.Key

objDesignKey.Na me = "PrimaryKey "

objDesignKey.Ty pe = KeyTypeEnum.adK eyPrimary

objDesignKey.Co lumns.Append("K eyID")

objDesignTable. Keys.Append(obj DesignKey)

'Append the newly created table to the Tables Collection

CatNew.Tables.A ppend(objDesign Table)

' clean up objects

objDesignKey = Nothing

objDesignTable = Nothing

'. Add or delete column

'attributes or properties as desired.

catch

'error code here

end try

end sub

"Ken Kazinski" <Ke*********@di scussions.micro soft.com> wrote in message
news:42******** *************** ***********@mic rosoft.com...
> Does anyone know of a good example for creating a access database and
> then
> tables within that database.
>
> All the examples I have found so far use a SQL database.
>
> Thanks,
>
> Ken
>


Nov 21 '05 #4
Appreicate you procedure. Just one more question: What Imports are required?

"Michael" wrote:
Ken
Add Project COM references
Microsoft ADO ext (#.#) for DDL and Security
Microsoft ActiveX Data Objects #.# Library
Mike

"Ken Kazinski" <Ke*********@di scussions.micro soft.com> wrote in message
news:4B******** *************** ***********@mic rosoft.com...
Thanks Mike.

What references are required?

Ken
"Michael" wrote:
Ken

Here's a sample I cut and pasted from a prior program I worked on
Hope it helps. Note that when appending the items you can specify if the
column data is nullable, a size, a datatype etc etc.

Mike

Private Sub CreateDatabase( ByVal filename As String)

Dim CnnNew As ADODB.Connectio n

Dim CatNew As ADOX.Catalog

Try

' Open a Connection and create the Catalog (Database)

'

CnnNew = New ADODB.Connectio n

CatNew = New ADOX.Catalog

CatNew.Create(" Provider=Micros oft.Jet.OLEDB.4 .0;" & _

"Data Source=" & filename & ";" & _

"Jet OLEDB:Engine Type=5")
'Open the connection

CnnNew.Open("Pr ovider=Microsof t.Jet.OLEDB.4.0 ;" & "Data Source=" &
filename)

'Open the Catalog

CatNew.ActiveCo nnection = CnnNew

'

'Now build all the Database tables as desired. Add or delete column

'attributes or properties as desired.

'

'Build and add the first Table

'

Dim objDesignTable As New ADOX.Table

With objDesignTable

..Name = "xxxxxxxx"

..ParentCatalog = CatNew

With .Columns

..Append("Units ", ADOX.DataTypeEn um.adVarWChar)

..Append("Code" , ADOX.DataTypeEn um.adVarWChar)

Append("Change X", adDouble)

..Append("Densi ty", adDouble)

..Append("NA1", adDouble)

..Item("NA1").A ttributes = ColumnAttribute sEnum.adColNull able

..Append("Occas ional Load Factor", adDouble)

..Append("Load Case W1", adBoolean)

..Append("Load Case T1", adBoolean)

..Append("Load X", adDouble)

..Item("Load X").Attribut es = ColumnAttribute sEnum.adColNull able

..Append("NA2", adDouble)

..Item("NA2").A ttributes = ColumnAttribute sEnum.adColNull able

..Append("FLAG1 ", adBoolean)

..Append("FLAG2 ", adBoolean)

..Append("FLAG3 ", adBoolean)

End With

'Create and Append a new auto incrementing column to be used

'as the primary key for the table

..Columns.Appen d("KeyID", adInteger)

..Columns("KeyI D").Properties( "AutoIncrement" ).Value = True

End With

'Create and Append a new key. Note that we are merely passing

'the "KeyID" column as the source of the primary key. This

'new Key will be Appended to the Keys Collection.

Dim objDesignKey As New ADOX.Key

objDesignKey.Na me = "PrimaryKey "

objDesignKey.Ty pe = KeyTypeEnum.adK eyPrimary

objDesignKey.Co lumns.Append("K eyID")

objDesignTable. Keys.Append(obj DesignKey)

'Append the newly created table to the Tables Collection

CatNew.Tables.A ppend(objDesign Table)

' clean up objects

objDesignKey = Nothing

objDesignTable = Nothing

'. Add or delete column

'attributes or properties as desired.

catch

'error code here

end try

end sub

"Ken Kazinski" <Ke*********@di scussions.micro soft.com> wrote in message
news:42******** *************** ***********@mic rosoft.com...
> Does anyone know of a good example for creating a access database and
> then
> tables within that database.
>
> All the examples I have found so far use a SQL database.
>
> Thanks,
>
> Ken
>


Nov 21 '05 #5
I'm not Michael, but, you need to use: Imports ADOX
james

"Dennis" <De****@discuss ions.microsoft. com> wrote in message news:61******** *************** ***********@mic rosoft.com...
Appreicate you procedure. Just one more question: What Imports are required?

"Michael" wrote:
Ken
Add Project COM references
Microsoft ADO ext (#.#) for DDL and Security
Microsoft ActiveX Data Objects #.# Library
Mike

"Ken Kazinski" <Ke*********@di scussions.micro soft.com> wrote in message
news:4B******** *************** ***********@mic rosoft.com...
> Thanks Mike.
>
> What references are required?
>
> Ken
>
>
> "Michael" wrote:
>
>> Ken
>>
>> Here's a sample I cut and pasted from a prior program I worked on
>> Hope it helps. Note that when appending the items you can specify if the
>> column data is nullable, a size, a datatype etc etc.
>>
>> Mike
>>
>> Private Sub CreateDatabase( ByVal filename As String)
>>
>> Dim CnnNew As ADODB.Connectio n
>>
>> Dim CatNew As ADOX.Catalog
>>
>> Try
>>
>> ' Open a Connection and create the Catalog (Database)
>>
>> '
>>
>> CnnNew = New ADODB.Connectio n
>>
>> CatNew = New ADOX.Catalog
>>
>> CatNew.Create(" Provider=Micros oft.Jet.OLEDB.4 .0;" & _
>>
>> "Data Source=" & filename & ";" & _
>>
>> "Jet OLEDB:Engine Type=5")
>>
>>
>> 'Open the connection
>>
>> CnnNew.Open("Pr ovider=Microsof t.Jet.OLEDB.4.0 ;" & "Data Source=" &
>> filename)
>>
>> 'Open the Catalog
>>
>> CatNew.ActiveCo nnection = CnnNew
>>
>> '
>>
>> 'Now build all the Database tables as desired. Add or delete column
>>
>> 'attributes or properties as desired.
>>
>> '
>>
>> 'Build and add the first Table
>>
>> '
>>
>> Dim objDesignTable As New ADOX.Table
>>
>> With objDesignTable
>>
>> ..Name = "xxxxxxxx"
>>
>> ..ParentCatalog = CatNew
>>
>> With .Columns
>>
>> ..Append("Units ", ADOX.DataTypeEn um.adVarWChar)
>>
>> ..Append("Code" , ADOX.DataTypeEn um.adVarWChar)
>>
>> Append("Change X", adDouble)
>>
>> ..Append("Densi ty", adDouble)
>>
>> ..Append("NA1", adDouble)
>>
>> ..Item("NA1").A ttributes = ColumnAttribute sEnum.adColNull able
>>
>> ..Append("Occas ional Load Factor", adDouble)
>>
>> ..Append("Load Case W1", adBoolean)
>>
>> ..Append("Load Case T1", adBoolean)
>>
>> ..Append("Load X", adDouble)
>>
>> ..Item("Load X").Attribut es = ColumnAttribute sEnum.adColNull able
>>
>> ..Append("NA2", adDouble)
>>
>> ..Item("NA2").A ttributes = ColumnAttribute sEnum.adColNull able
>>
>> ..Append("FLAG1 ", adBoolean)
>>
>> ..Append("FLAG2 ", adBoolean)
>>
>> ..Append("FLAG3 ", adBoolean)
>>
>> End With
>>
>> 'Create and Append a new auto incrementing column to be used
>>
>> 'as the primary key for the table
>>
>> ..Columns.Appen d("KeyID", adInteger)
>>
>> ..Columns("KeyI D").Properties( "AutoIncrement" ).Value = True
>>
>> End With
>>
>> 'Create and Append a new key. Note that we are merely passing
>>
>> 'the "KeyID" column as the source of the primary key. This
>>
>> 'new Key will be Appended to the Keys Collection.
>>
>> Dim objDesignKey As New ADOX.Key
>>
>> objDesignKey.Na me = "PrimaryKey "
>>
>> objDesignKey.Ty pe = KeyTypeEnum.adK eyPrimary
>>
>> objDesignKey.Co lumns.Append("K eyID")
>>
>> objDesignTable. Keys.Append(obj DesignKey)
>>
>> 'Append the newly created table to the Tables Collection
>>
>> CatNew.Tables.A ppend(objDesign Table)
>>
>> ' clean up objects
>>
>> objDesignKey = Nothing
>>
>> objDesignTable = Nothing
>>
>> '. Add or delete column
>>
>> 'attributes or properties as desired.
>>
>> catch
>>
>> 'error code here
>>
>> end try
>>
>> end sub
>>
>> "Ken Kazinski" <Ke*********@di scussions.micro soft.com> wrote in message
>> news:42******** *************** ***********@mic rosoft.com...
>> > Does anyone know of a good example for creating a access database and
>> > then
>> > tables within that database.
>> >
>> > All the examples I have found so far use a SQL database.
>> >
>> > Thanks,
>> >
>> > Ken
>> >
>>
>>
>>


Nov 21 '05 #6
Michael,

In fact is only the Microsoft ADOx.x for DLL and Security needed when you do
the building from the tables with Adonet instead with ADODB.

When you want a sample of that, reply than I have sent a times that too this
newsgroup.

Cor
Nov 21 '05 #7
On Sun, 23 Jan 2005 18:44:12 +0100, "Cor Ligthert" <no************ @planet.nl> wrote:

¤ Michael,
¤
¤ In fact is only the Microsoft ADOx.x for DLL and Security needed when you do
¤ the building from the tables with Adonet instead with ADODB.
¤

AFAIK you need both.

If I remember correctly, the ADOX interop assembly only accepts an ADO Connection object for the
Catalog ActiveConnectio n property.
Paul ~~~ pc******@amerit ech.net
Microsoft MVP (Visual Basic)
Nov 21 '05 #8
Paul,
AFAIK you need both.

If I remember correctly, the ADOX interop assembly only accepts an ADO
Connection object for the
Catalog ActiveConnectio n property.


You don't, see this sample I have showed often in the dotnet newsgroups.
http://groups-beta.google.com/group/...00033570443de4

I have probably a later one as well, this is a little bit overcomplete one.

However I hope that this makes it clear.

Cor

Nov 21 '05 #9
On Mon, 24 Jan 2005 17:30:56 +0100, "Cor Ligthert" <no************ @planet.nl> wrote:

¤ Paul,
¤
¤ > AFAIK you need both.
¤ >
¤ > If I remember correctly, the ADOX interop assembly only accepts an ADO
¤ > Connection object for the
¤ > Catalog ActiveConnectio n property.
¤ >
¤
¤ You don't, see this sample I have showed often in the dotnet newsgroups.
¤ http://groups-beta.google.com/group/...00033570443de4
¤
¤ I have probably a later one as well, this is a little bit overcomplete one.
¤
¤ However I hope that this makes it clear.
¤

I see, you used the Create method to specify the connection string. Nice shortcut.
Paul ~~~ pc******@amerit ech.net
Microsoft MVP (Visual Basic)
Nov 21 '05 #10

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