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SQL Queries to create,delete,rename a column column

Medium Priority
Last Modified: 2010-04-07
  how to create,delete,rename a filed in MS-ACCESS database by using SQL Queries. i am using visual basic 6.0 as a front end. The database is in Access 97 format created by using Visual dataManager in Visual basic 6.0. i feel great if the Queries are in VB example.
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Top Expert 2005
You can use ADOX or DAO to do it

1.Using ADOX to create fileds


same way delete

ADOXtable.Columns.Delete "FieldName"

2.USing DAO

Dim db as DAO.database
dim td as DAO.tabledef
dim f as Dao.field

Set db = OpenDatabase("c:\Test.mdb")

Set td = db.CreateTableDef(InitialTable)

Set f = td.CreateField("ID", dbLong)
td.Fields.Append f
Set f = td.CreateField("dtmDate", dbDate)
f.Required = True
td.Fields.Append f
Set f = td.CreateField("sDesc", dbText)
f.AllowZeroLength = True
f.SIZE = 50
td.Fields.Append f
Set f = td.CreateField("cMemo", dbMemo)
td.Fields.Append f

db.TableDefs.Append td

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Top Expert 2005
You can try to use alter statement as well,not sure it will work from VB

.Execute "ALTER TABLE TableName ADD COLUMN ColumnName YesNo"

YesNo - datatype
Go with dmitryz6's suggestion and use ADOX.



i have get the solution for add and delete but i need how to rename.

for add
alter table table_name add field_name type
for delete
alter table table_name drop [column] field_name
Top Expert 2005

Try this, not sure It supported,if not use adox or DAO

ALTER TABLE table_name
   RENAME COLUMN field_name to field_name1


                  it is not woking(rename) visual datamanager.
Top Expert 2005

Yes, what way sugested to use ADOX or ADO.

if you don't like to do it.Youcan Put data in temprory table.
Use Alter drop statement to delete dat
Use Alter Add statment to add column
And return dat back.

But better use Adox or DAO
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