![]() ![]() Object Linking and Embedding, Database (OLE DB) is a more recent protocol that you use to connect an Access database to an external data source such as Microsoft SQL Server. ODBC drivers shipped with SNAC for SQL Server 2005 through SQL Server 2012.Īfter SQL Server 2012, ODBC Drivers have shipped individually and contain support for new SQL Server features.įor new development, avoid using ODBC drivers from the first two phases, and use ODBC drivers from the third phase. For more information, see Microsoft or Windows Data Access Components. These components still ship with Windows for backward compatibility. Prior to 2005, ODBC drivers shipped with Windows Data Access Components (WDAC), which originally was called Microsoft Data Access Components (MDAC). Over the years, ODBC drivers have shipped in three phases: Alternatively, you can use VBA to set these properties using a "DSN-less" connection string. Typically, you use file data sources (also called DSN files) to add a connection string, in which case, the FILEDSN keyword is used on the connection string, or stored in the registry, in which case, the DSN keyword is used. Open Database Connectivity (ODBC) is a protocol that you use to connect an Access database to an external data source such as Microsoft SQL Server. You should use later individual, downloadable versions of the ODBC drivers. Many legacy applications used SNAC and it is still supported for backward compatibility, but we don't recommend using it for new application development. For example: ODBC DRIVER=SQL Server SERVER="MyServer" DATABASE="MyHRdb" TRUSTED_CONNECTION=Yes Provider=SQLOLEDB Data Source=MyServer Initial Catalog=MyHRdb Integrated Security=SSPI Īt first, there was SQL Server Native Client (SNAC) a stand-alone library that contained ODBC and OLEDB technologies and is still available for SQL Server versions 2005 through 2012. A connection string (whether ODBC or OLE DB) passes information directly to the database, such as server location, database name, type of security, and other useful options. You can define a formatted connection string either in the Access user interface or in VBA code. OLE DB keyword summary Using ODBC driver or OLE DB providerĬonnection strings have been around a long time. Programmatically interface to SQL Server from Access The following sections spell out the basics of getting to a database with connection strings and using a database programming interface in your Access VBA code. ![]() Keep these happy thoughts in the back of your mind as we take a few tastes of the database version of alphabet soup. Last edited by hanspeterusa 07-10-2013 at 08:30 PM.Recall the halcyon days of youth when alphabet soup was your fun meal. Unfortunately, our IT HelpDesk has not been very helpful because they claim we are using an "unsupported solution". If anyone has any additional information about this issue, please post. Our concern is that we think Microsoft will make another attempt at pushing this update which will again break our solutions. Transaction (Process ID 66) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. When attempting an update to a table from SQL Server, for example, we would receive the following error message: After the PCs received the security update today, the MS Access solution could no longer perform the updates to any of these ODBC linked tables. Our MS Access solutions perform update queries on linked tables from SQL Server 2008 and also on linked tables from Oracle. ![]() ![]() We eventually discovered that the problem was caused by the KB2820197 update and everything began to work properly after we uninstalled this update from several PC systems. We just experienced major ODBC errors with our front-end MS Access 20 solutions and the problem began when Microsoft pushed several security updates to our PCs. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |