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in reverse
Type
Sorting OperatorPurpose
The in reverse operator tells DataEase to process records and display the report output in reverse sequence from highest to lowest value in the specified field.Syntax
FIELDNAME in reverse ;|.Usage
The in reverse operator can be used only on list items following the list records command. It cannot be used with the enter a record, modify records, or delete records commands.
The in reverse operator can be used on any type of field. A Time, Date, or Number field is ordered from highest to lowest value. A Choice field is sorted by Choice number from highest to lowest. A Text field is sorted in reverse alphabetical order.
DataEase orders alphanumeric values in standard ASCII sequence and makes no distinction between upper and lower case.
Sorting operators cannot be used in conjunction with the all relational operator (e.g., if RESERVATIONS is the Primary table, you cannot use the statement:
all MEMBERS LAST NAME in reverse ;
Example
for MEMBERS ;
list records
STATE in groups ;
ZIP CODE in reverse ;
LAST NAME in order .
end
This script tells DataEase: (1) Process all the MEMBERS records with the same value in the STATE field together as a group, (2)display the group identifier STATE once at the beginning of each group, (3) within each group, arrange the members in highest to lowest ZIP CODE code order, and (4) within each ZIP CODE code, arrange the members in alphabetical order by LAST NAME. A portion of the output from this script might look as follows:
State
Zip Code
Last Name
...
...
...
DC
20036-8749
Schmidt
20036-0000
Dowling
20007-3947
Spinelli
DE
19901-3445
Gross
19810-3729
Stromboulis
...