Sub-Table permit to relate one or more table in order to cerate a tree structure to see as “unique object” to fill at-once.
Relation between table and sub-table are 1 -> N type, so, for each record in main table can be present one or more record in child table and so on.
All action of Insert,Update,delete are performed on DB just when main table row is stored..
Use those object with care because all managed data are in memory till them are not stored on DB. SubTable with a lot of data can affect performance. SubTable property:
Label(language based) to show user when the subtable is refered
Name of table to set as subtable.
Relation between table and subtable column. Syntax:
<Col1>=<ColSubTable1> && ... && <ColN>=<ColSubTableM>
<ColX> is name of table column
<ColSubTableY> is name of sub-table column.
Related column must be same type.
In order to set a sort order (modifiable) those property must be set to a NUMERIC column name
Last updatedFriday, 19 November 2010 23:20