A database administrator would like to create a visual diagram of the layout of a new relational database. Which of the following should the administrator use?
C. Logical schema.
A logical schema is used to visually represent the structure of a relational database, including tables, columns, and the relationships between them, without getting into the specifics of how the database is physically stored. This type of schema provides a high-level view of the data organization, which is ideal for planning or designing the layout of a new database
C. Logical schema
A logical schema represents the structure of a relational database, including the tables, fields, relationships, views, and other elements, without getting into the details of physical storage. It provides a high-level view of how the data is organized and how the entities relate to each other, which is essential for planning and designing a new database.
C. Logical schema
A database administrator who wants to create a visual diagram of the layout of a new relational database should use a "Logical schema." The logical schema represents the structure of the database, including tables, relationships between tables, and the attributes (fields) within each table. It provides an abstract representation of the database design, independent of any specific physical implementation.
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