DMV Abstract for out of state license: An original out of state driver record that is dated no more than 90 days from the date the application is filed. NYSDMV 6 hour Defensive Driving Course: Temporary receipt or Official Certificate of course completion within three (3) years prior to filing an application.
Print Page. What It Is. A direct expansion air conditioning (DX) system uses a refrigerant vapour expansion/compression (RVEC) cycle to directly cool the supply air to an occupied space. DX systems (both packaged and split) directly cools the air supplied to the building because the evaporator is in direct contact with the supply air,
Multidimensional Expressions (MDX) is a query language for OLAP databases, much like SQL is a query language for relational databases.It is also a calculation language, with syntax similar to spreadsheet formulas.DX was first introduced as part of the OLE DB for OLAP specification in 1997 from Microsoft. It was invented by the group of SQL Server engineers including Mosha Pasumansky. The specification was quickly followed by commercial release of Microsoft OLAP Services 7.0 in 1998 and later by Microsoft Analysis Services.