Suppose a Relational Database Contained Two Linked Tables

question 69

Multiple Choice

Suppose a relational database contained two linked tables.Which of the following items is not necessarily present in the database?

• A) two primary keys
• B) two foreign keys
• C) at least one column
• D) one foreign key

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Definitions:

Proximal Parenting

Caregiving practices that involve being physically close to the baby, with frequent holding and touching.

Decentralized Day Care

A childcare approach where services are spread out across multiple locations or provided in smaller, community-based settings as opposed to one centralized facility.

Nonfamilial Day Care

Child care provided outside of the family setting, often by professionals, in facilities like daycare centers or preschools.

Proximal Parenting

A style of parenting that involves close physical and emotional contact between the parent and child, emphasizing attachment and responsiveness.