6. , SUM, 20000 , SU_Stuff.idx. , , .
7. Persons. ( ) ,
SELECT 0
Persons
USE Persons
Visual FoxPro , , , USE?. . Persons.dbf , . . , , , BROWSE. .
8. NAME, ID. Command
INDEX ON NAME TAG Names OF Persons
NAME - , ,
Names- cdx-,
Persons - cdx-.
9. , NAME Persons.cdx. , , .
10. ID. Command
INDEX ON ID TAG Ids OF Persons
ID - , ,
Ids - cdx-,
Persons - cdx-.
11. , ID. , , .
12. ,
CLOSE TABLES
, , . Id_stuff.idx, SU_Stuff.idx Persons.cdx, .
2. .
.
1. Command
USE Stuff INDEX Id_stuff
. , , , BROWSE. .
3. , ID.
4. ,
USE
5. Command
USE Stuff INDEX SU_Stuff
6. , SUM 20000 .
7. Persons. ( ) ,
|
|
SELECT 0
Persons
USE Persons ORDER TAG Names
8. , NAME.
9. , cdx-.
SET ORDER TO TAG Ids
10. , ID. , , .
,
CLOSE TABLES
3. Persons .
, tabnum, . .
1. Persons. Modify () .
2. Table Designer ( ) Indexes (),
Name () TabPersons.
3. Type Primary ().
4. Expression () tabnum.
5. Order () .
6. OK.
4. Persons .
Persons, (name) (address). .
1. Table Designer ( ) Indexes (), Name () NAPersons.
2. Type Regular ().
3. Expression (). :
Name + address
4. , Verify () . OK.
:
1. idx- cdx-?
2. ? ?
3. INDEX?
4. (idx-) Raspis .
5. Raspis.
:
1). :
- *.idx
- *.cdx
2). MS Word .