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It also may be faster to perform a single UPDATE as is the case with the example above versus uploading (INSERT...SELECT) the data and then performing an UPDATE based on the new table.Although both provide native data access to SQL Server databases, SQL Server Native Client has been specifically designed to expose the new features of SQL Server 2005, while at the same time maintaining backward compatibility with earlier versions.The information in this topic helps update your MDAC (or Windows DAC) application to be current with the version of SQL Server Native Client that was included in SQL Server 2005.We always upload the data to a table and then begin the process.
In addition, although MDAC contains components for using OLE DB, ODBC, and Active X Data Objects (ADO), SQL Server Native Client only implements OLE DB and ODBC (although ADO can access the functionality of SQL Server Native Client).I know that I cannot alter a column to be an identity column in an existing table with data, so I have two options: either create an entirely new table and then move data from the old table into that new table or add an new identity column and update it with data from the old column. Now execute the create script for keys and triggers. Jagdish Devaku, I tried your suggestion and got en error: An explicit value for the identity column in table 'dbo.temp' can only be specified when a column list is used and IDENTITY_INSERT is ON. The problem is that I need to retain all the existing values in column Tracking Number. In addition, the OPENROWSET command can also support SELECT statements where a table is joined to the Excel spreadsheet.
Let's work through some examples with the SQL Server 2005 Adventure Works sample database for each operation with a sample Excel spreadsheet.
In addition, by using the commands listed above versus a two step process the overall code may be a little bit cleaner.