Database design » Create a one-to-one relationship

To create a one-to-one relationship, first create a one-to-many relationship and then create a unique index. creating index - context menu The creation of a unique index (UNIQUE) is performed similarly to other indexes, in the Index window creating index - editing window The use of the UNIQUE index results in the display of the U marking on the columns that contain the index. creating an index - context menu

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