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SQL Enhancements
In Access 2000, many enhancements were made to the SQL implementation in the Microsoft Jet 4.0 data engine in order to support new features of Access, to conform more closely to the ANSI-92 standard, and to allow for greater compatibility between Access and Microsoft® SQL Server™. The Jet database engine now has two modes of SQL syntax: one that supports previously used SQL syntax, and one that supports the new SQL syntax. It is very important to note that some of the new SQL syntax is available in code only when you use ActiveX® Data Objects (ADO) and the Jet OLE DB provider, and is not currently available through the Access SQL View user interface or DAO. This article points out when a certain SQL command is available only through the Jet OLE DB provider and ADO.
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