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How to add field in the table programmatically?
Message
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Divers
Thread ID:
00668853
Message ID:
00668854
Vues:
21
>hi to all,
>
> Is there any way to insert field in the existing table programmatically without using or opening the foxpro Modify Structure?
>
>thnks
>
>holden

Read in help ALTER TABLE this is part of it:
Programmatically modifies the structure of a table.

Syntax

ALTER TABLE TableName1
ADD | ALTER [COLUMN] FieldName1
FieldType [(nFieldWidth [, nPrecision])]
[NULL | NOT NULL]
[CHECK lExpression1 [ERROR cMessageText1]]
[DEFAULT eExpression1]
[PRIMARY KEY | UNIQUE]
[REFERENCES TableName2 [TAG TagName1]]
[NOCPTRANS]
[NOVALIDATE]
-or-
ALTER TABLE TableName1
ALTER [COLUMN] FieldName2
[NULL | NOT NULL]
[SET DEFAULT eExpression2]
[SET CHECK lExpression2 [ERROR cMessageText2]]
[DROP DEFAULT]
[DROP CHECK]
[NOVALIDATE]
-or-
ALTER TABLE TableName1
[DROP [COLUMN] FieldName3]
[SET CHECK lExpression3 [ERROR cMessageText3]]
[DROP CHECK]
[ADD PRIMARY KEY eExpression3 TAG TagName2 [FOR lExpression4]]
[DROP PRIMARY KEY]
[ADD UNIQUE eExpression4 [TAG TagName3 [FOR lExpression5]]]
[DROP UNIQUE TAG TagName4]
[ADD FOREIGN KEY [eExpression5] TAG TagName4 [FOR lExpression6]
REFERENCES TableName2 [TAG TagName5]]
[DROP FOREIGN KEY TAG TagName6 [SAVE]]
[RENAME COLUMN FieldName4 TO FieldName5]
[NOVALIDATE]
Venelina Jordanova

Outsourcing IT Services Ltd.
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