Cross-tabulations, or crosstabs, are a way of presenting subsets of data so that relationships and trends are more visible. Table fields become the dimensions of the crosstab while field values define categories and summaries within a dimension. 

You can use the decision support components to set up crosstabs in forms. TDecisionGrid shows data in a table, while TDecisionGraph charts it graphically. TDecisionPivot has buttons that make it easier to display and hide dimensions and move them between columns and rows. 

Crosstabs can be one-dimensional or multidimensional. 

The following topics are discussed in this section:

• One-Dimensional Crosstabs
• Multidimensional Crosstabs