
Keys and Relationships in Databases
Authored by Michael Ogunyemi
Computers
9th Grade
Used 2+ times

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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a Primary Key?
A unique identifier for each record in a database table.
A type of column that holds the primary key value.
A method to connect different tables.
A way to ensure data redundancy.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an ID Field?
A unique identifier for each record.
A type of column that holds the primary key value.
A method to connect different tables.
A way to ensure data redundancy.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Table Relationships
Define how different tables are connected.
Ensure data redundancy.
Provide unique identifiers.
Maintain data integrity.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The One-to-One Relationship
Each record in one table corresponds to exactly one record in another table.
One record in one table can relate to multiple records in another table.
Multiple records in one table can relate to multiple records in another table.
None of the above.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The One-to-Many Relationship
Each record in one table corresponds to exactly one record in another table.
One record in one table can relate to multiple records in another table.
Multiple records in one table can relate to multiple records in another table.
None of the above.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Advantages of Using Keys and Relationships
Ensures consistency and accuracy.
Reduces the duplication of data.
Allows for faster access to specific information.
All of the above.
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