MDAC 2.5 SDK - OLE DB Programmer's Reference
Chapter 25: MDX Grammar

MDX Statements

<value_expression> ::= <numeric_value_expression> 
                     | <string_value_expression> 

Statements in MDX operate on the following basic entities:

• Set. A collection of tuple elements.
  
  
• Member. A member of a dimension.
  
  
• Tuple. A collection of members from different dimensions.
  
  
• Numeric. Can be an exact numeric, such as integer or decimal, or an approximate numeric, such as float or double.
  
  
• Time dimension. Time series functions operate on the dimension that is specified implicitly as part of their <set>, <member>, or <level> arguments.

Other MDX statements perform a variety of other functions, such as the following:

• Set Functions for Expressing User-Interface Operations.
  
  
• Searched case expressions.
  
  
• Conditional expressions.