NET for data access, the benefit being that users of the application program are not constrained in their choice of database architecture except that it should be supported by MDAC. Removing MDAC will negatively impact or break these applications. As with all product upgrades, you should test to verify that existing applications work as expected with the upgrade before applying it to production systems. MDAC releases have been given a new naming convention as well. Not included manually installed: Cookbook Series 2 ed. Hebrew and Arabic were only available through Windows XP.

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NET runs through a. A refresh release was issued in April through the release of Windows XP and through Mdac 2.1 sp2 website. The object structure is no longer built around a Recordset object.

As with any system upgrade, if you are unable to implement it on a test system, you should have a comprehensive backup or disk image of your production system as well as a complete recovery plan. Microsoft Windows http: Jet also provided support for security, referential integritytransaction processingindexingrecord and page locking, and data replication. If you first upgrade a test system with a configuration identical to the production system, you can identify potential issues and avoid the hurdles associated with a mdac 2.1 sp2.

MDAC SP2 Download? | Overclockers UK Forums

This allows Net-Lib to provide an integrated logon authentication mfac via the use of Windows Authentication. Known issues and significant fixes, 2.11 incompatibilities fixed in each version.


Throughout its history, MDAC has been the madc of several security flawswhich led to attacks such as an escalated privileges attackalthough the vulnerabilities were generally fixed in later versions and sp22 promptly.

Retrieved from ” https: Archived March 24,at the Wayback Machine. NET, being replaced with a DataReader object, which is used to efficiently process mdac 2.1 sp2 large list of results one record at a time without storing them. This was later fixed. NET for data access, the benefit being that users of the application program are not constrained in their choice of database architecture except that it should be supported by MDAC.

Version number synchronized with Windows version No other new features. This flaw was introduced in MDAC 2. Features that were not supported were:. In order to propagate changes back into the database, a DataAdapter object is used that transfers data from between the mdac 2.1 sp2 source and the DataSet object.

Archived at Archive. The distribution method has varied and the feature-set is different for each version. They were unimpressed that a fundamental functional change to the default behaviour of Net-Lib occurred without more than a passing mention in an unrelated document.

Microsoft Jet Database Engine. Microsoft calls the availability of an interface to be “provider-specific” as it mdqc not be applicable depending on the database technology involved.

Microsoft Data Access Components

Additionally, the dialog box specifies a number of alternate OLE DB data providers for a variety of target applications. The Network Library router had the job of managing all these protocols, however now only the named pipes secondary Mdac 2.1 sp2 is managed by the router. Different applications rely on specific MDAC components, and interdependencies are highly specific to individual system configurations.


This page was ps2 edited on 29 Septemberat Cursors were also deprecated in ADO. It supports SQL Server v6. A user can use a Data Link Properties dialog box to save connection information in a. Remote Data Services RDS allowed the retrieval of a set mdac 2.1 sp2 data from the server, which the client then altered in some way and then sent back to the server for further processing.

Version information, including version number, s;2, ship vehicle, new features, localization information, and other important notes. Microsoft has used this technology to separate the application from data can store in the website the data store that it needs to access.

The components that were included with 2. Many applications ship with MDAC included. This version of MDAC had a security flaw that made it vulnerable to an escalated privileges attack.