Question

what is the structure of an database​

Answer 1

Answer:

The logical units of database space allocation are data blocks, extents, segments, and tablespaces. At a physical level, the data is stored in data files on disk (see Chapter 11, "Physical Storage Structures"). The data in the data files is stored in operating system blocks.

Answer 2

Answer:

Within a database, related data are grouped into tables, each of which consists of rows (also called tuples) and columns, like a spreadsheet. To convert your lists of data into tables, start by creating a table for each type of entity, such as products, sales, customers, and orders.

Explanation:

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