.


:




:

































 

 

 

 





, . <Create> Data . , : (Num), (Field Name), (Field Type), (Width), (Dec), (Index). . 10 - , . ( - Character, - Numeric, - Float, - Memo, - Logical - Date) .

, . F10 / <Save this database file structure> ( ) Layout.

Browse Edit. . , <Create>. , <Enter records from keyboard> Append.

, . Data ENTER <Display data>. : Browse Edit.

Browse ( - ), .

Edit ( ). PgDn.

, , . .

( ) , Queries .

: .

.

, , . , dBASE.

. , , .

, .

<Create> Forms . , <Layout>, <Fields>, <Words>, <Goto>. , .

, Layout , , .

<Add field> Fields.

. , , .

Reports . . : , , , , . .

: , () , ( ), () .

dBASE IV , .

 

 

, , , , - , , . , , . , , () .

, SET-, , .

, - , , , . . :

 

<> [< :] [<>]

[FOR<>] [WHILE<\>]

[ FILE < > /TO PRINTER

/T ARRAY < >

/ <>

[ALL [LIKE/EXCEPT <>]] [IN <>]

 

. , , . , (/), , . , .

< > , , , , , . . , . .

. dBASE : , , .

, . : RECORD <n> - ; NEXT <n> - , n; ALL - ; REST - , .

FOR WHILE . . FOR , , a WHILE - , (True ..).

, . , , ( ).

ALL LIKE , , , , .

SET-, , . :

 

SET <> <>

SET <> ON/OFF

 

, (ON) (OFF) , .. . , , Config.db, dBASE.

CREATE < >. MODIFY STRUCTURE.

 

USE [< >/?] [IN < >]

[INDEX <.ndx .mdx >]

[ORDER [TAG] <.ndx >/<.mdx >

[OF <.mdx >]]

[ALIAS<aac>] [EXCLUSIVE] [NOUPDATE],

 

.mdx .ndx .

.ndx .mdx

INDEX ON < >

<.ndx >/

TAG < .mdx >

[OF <.mdx >] [UNIQUE] [DESCENDING]

 

SET INDEX TO [/?< >

[ORDER [TAG] <.ndx >/

< >

[OF <.mdx >]]]

 

dBASE . . , . . 6.2 , .

 

6.2





:


: 2016-11-12; !; : 607 |


:

:

,
==> ...

1887 - | 1804 -


© 2015-2024 lektsii.org - -

: 0.022 .