Methods available for the storage of custom measurements

Just a general question.

With the help of 11g. If I have a complex program of DML, which calculates the values using the existing measures stored in the cube and want to store the final result of the values calculated during the delivery of my program. What methods are available?

My program must be run under the DBMS_CUBE package, part of a maintenance script? I appreciate any info on this.

$LOOP_VAR is the name of a VARIABLE that is the basis of the loop. A simple example if your DML formula is

SALES * 100

$LOOP_VAR must be 'SALES', because ' SALES * 100 "has a value if and only if the SALE has a value.

$LOOP_DENSE allows you to specify that one or more of the dimensions of the $LOOP_VAR should be closed densely even if they are not dense in the variable itself. This is useful for calculating the time of series which may have values even when the base variable does not. The simplest example is a DML formula which means "year to date SALES." (I won't give any real OLAP DML for this because there are many formulations and it would only mask the issue.) Now, let's assume that your variable base, SALES, has a value for Jan 1, 2012", but for any other day in 2012. If you simply set $LOOP_VAR to be 'DIRTY' and then 'year to date SALES' would be NULL for all other days in 2012. It is clearly false from a commercial point of view. The solution must also set '$LOOP_DENSE' to 'TIME', where TIME is the time dimension. The formula now return values for all the days in 2012. You can think of this in terms SQL as an outer join partitioned between the $LOOP_VAR 'table of facts' and the $LOOP_DENSE 'table dimension.

SELECT ...
FROM
  sales_fact
    PARTITION BY (...other dims..)
    RIGHT OUTER JOIN time_dim
    ON ...condition...

Tags: Business Intelligence

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