There are three primary data models for organizing information including the hierarchical, network, and relational database models.
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Q41: Primary key is a field (or group
Q42: MMSDB creates, reads, updates, and deletes data
Q43: A foreign key is a field (or
Q44: The core components of any system, regardless
Q45: A primary key is the smallest or
Q47: Data models can include a customer's name,
Q48: Foreign key is a primary key of
Q49: A foreign key provides details about data.
Q50: Record is a collection of related data
Q51: Data models are logical data structures that
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