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- Question
Views can be used to show the results of computed columns.
Options- A. True
- B. False
- Correct Answer
- True
- 1. A view that contains a computed column can be easily updated.
Options- A. True
- B. False Discuss
- 2. A minimum cardinality is the minimum number of entity instances that may participate in a relationship instance.
Options- A. True
- B. False Discuss
- 3. An entity class is a collection of entities and is described by the structure of the entities in that class.
Options- A. True
- B. False Discuss
- 4. A subtype entity is a special case of another entity called a supertype entity.
Options- A. True
- B. False Discuss
- 5. A recursive relationship is a relationship between an archetype and an instance of that archetype.
Options- A. True
- B. False Discuss
- 6. Common types of SQL CHECK constraints include range checks and limiting columns values.
Options- A. True
- B. False Discuss
- 7. The SQL DELETE statement is used to delete both the table structure and table data.
Options- A. True
- B. False Discuss
- 8. SQL statements can be embedded in triggers, stored procedures, and program code.
Options- A. True
- B. False Discuss
- 9. There are three SQL data modification operations: insert, modify and delete.
Options- A. True
- B. False Discuss
- 10. If any required (NOT NULL) columns are missing from the view, the view cannot be used for inserting new data.
Options- A. True
- B. False Discuss
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