Asked by Graciela Rodriguez on Jun 12, 2024
Verified
Draw a simple relational database (at least two tables with at least three columns and three rows). Label the data hierarchy (except the bit). Label the primary, secondary, and foreign keys.
Relational Database
A relational database is a type of database that organizes data into tables which can be linked—or related—based on data common to each.
Data Hierarchy
Data hierarchy is a systematic organization of data, often in a hierarchical form, that starts with the smallest unit of data and aggregates up to more complex forms like databases or data warehouses.
Primary Keys
Unique identifiers used in databases to distinguish records.
- Comprehend the architecture and administration of databases.
Verified Answer
SR
Sophia RobinsonJun 17, 2024
Final Answer :
Student Table Professor Table Class Table 
Byte = any single character (e.g., "1" from Student Table) Field = any cell Record = any row File = any table Database = all three tables Primary = SID, PID, or ID (respectively in each table) Secondary = any column except those listed under primary Foreign = PID in the Class Table
Byte = any single character (e.g., "1" from Student Table) Field = any cell Record = any row File = any table Database = all three tables Primary = SID, PID, or ID (respectively in each table) Secondary = any column except those listed under primary Foreign = PID in the Class Table
Learning Objectives
- Comprehend the architecture and administration of databases.