You have attempted to use the ADD PRIMARY KEY clause of the ALTER TABLE command on a table that already has a primary key.
Remove the existing primary key first.
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| Visual FoxPro 9.0 |
| Primary key already exists (Error 1883) |
You have attempted to use the ADD PRIMARY KEY clause of the ALTER TABLE command on a table that already has a primary key.
Remove the existing primary key first.
js editor
Web development