eeps small pieces of the data of variable size in the central depository called <a href="i_Data.htm"><span style="font-weight: bold;">data table</span></a>. Each kind of data has its own tag, or data type. For example, labels added by the Analyser are saved as <span style="font-weight: bold;">NM_ANALYSE</span> and switch cases - as records of type <span style="font-weight: bold;">DT_CASE</span>.

Data types are scarce resource. As data table may contain tens of

millions of records, type is kept in a 1-by