Entity Relationship (ER) Data Modelling & Database Keys

Master the Entity Relationship (ER) Data Model. This lecture covers entities (strong and weak), different types of attributes (composite, derived, multivalued), and various keys such as primary, foreign, and candidate keys
. We also explain mapping 1:1, 1:M, and M:N relationships
.
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Видео Entity Relationship (ER) Data Modelling & Database Keys канала Guidance Warehouse Official