Скачать или смотреть c# tutorial for beginners: fix error create duplicate values in the index, primary key in MS access.

This video show How to fix error "The changes you requested to the table were not successful because they would create duplicate values in the index, primary key, or relationship. Change the data in the field or fields that contain duplicate data, remove the index, or redefine the index to permit duplicate entries and try again."
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c# tutorial for beginners
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windows form application c#
How do you allow duplicates in Access table?
What prevents the duplication of records in a table?
How do you prevent duplicates in Access?
How do I allow duplicates in a primary key?
Can primary key contain duplicates?
Can we insert duplicate values in primary key column?
Is duplicate entry of primary key is allowed in SQL?
Can a foreign key have duplicate values?
how to fix index or primary key cannot contain a null value
how to redefine the index to permit duplicate entries in access
the changes you have made require the following tables to be dropped

how to allow duplicate entries in access
access duplicate record error message