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The Relational Model - Statistics
General Stats
- This quiz has been taken 22,956 times
- The average score is 21 of 23
Answer Stats
| Question | Tile | Select | % Correct |
|---|---|---|---|
| What identifier is used to uniquely identify a record | A network key | No | 99%
|
| What identifier is used to uniquely identify a record | A wifi key | No | 99%
|
| What is a tuple? | Tulip spelled incorrectly | No | 99%
|
| What identifies the relationship between two pieces of data? | A super key | No | 98%
|
| Which of the following statements is correct? | DO SELECT FROM employee GET first_name | No | 98%
|
| What identifier is used to uniquely identify a record | A primary key | Yes | 97%
|
| How do we lock down what can be filled into a column? (multiple) | Paying attention | No | 97%
|
| Which of the following statements is correct? | SELECT * FROM employee; | Yes | 97%
|
| Which of the following statements is correct? | FROM employee SELECT * | No | 96%
|
| What identifier is used to uniquely identify a record | A foreign key | No | 95%
|
| What is a tuple? | An entire table of data | No | 95%
|
| What is a tuple? | A row of data | Yes | 95%
|
| How do we lock down what can be filled into a column? (multiple) | Having someone inspect every record that's inserted | No | 95%
|
| What did the relational model replace? (multiple) | The marriage model | No | 95%
|
| What identifies the relationship between two pieces of data? | A foreign key | Yes | 92%
|
| How do we lock down what can be filled into a column? (multiple) | Constraints | Yes | 90%
|
| What identifies the relationship between two pieces of data? | A primary key | No | 89%
|
| What did the relational model replace? (multiple) | The database model | No | 88%
|
| Is a DBMS vital to the relational model? | No | No | 87%
|
| Is a DBMS vital to the relational model? | Yes | Yes | 87%
|
| What did the relational model replace? (multiple) | The hierarchical model | Yes | 76%
|
| What did the relational model replace? (multiple) | The networking model | Yes | 74%
|
| How do we lock down what can be filled into a column? (multiple) | Datatypes | Yes | 42%
|
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