ONLINE HELP WINDEV, WEBDEV AND WINDEV MOBILE
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Finding out whether an item is key Hide the details
The characteristics of an item are:hDuplicatesKeyKey with duplicates. This item can have the same value for several data file records.hUniqueKeyUnique key. The value assigned to this item will be unique in the data file. No file record will have the same value for this item.hNotAKeyThe item is not a key.
Name of data file used. This name was defined in the data model editor or by the File description type.
Name of item used. This name was defined in the data model editor or by the Item description type.
Defining a key by programming Hide the details
Name of item used. This name was defined by the Item description type.
The characteristics of a key can be:hDuplicatesKeyKey with duplicates. This item can have the same value for several data file records.hUniqueKeyUnique key. The value assigned to this item will be unique in the data file. No file record will have the same value for this item.hNotAKeyThe item is not a key.
Last update: 01/21/2021
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