Question
Which of the following commands are used to put a restriction on the number of rows returned from a query?
Solution
The correct answer is A
More IT DBMS Questions
- What is the purpose of a "View" in a database?
- Which aggregate function returns the number of rows that match a specified criterion?
- Query optimization heuristics often include:
- What is 'normalization' in database design?
- Distributed 2-Phase Commit (2PC) can suffer from:
- Shadow paging in recovery eliminates the need for:
- Which of the following is true about the primary key in a relational database?
- Consider a `LinkedList` data structure. Which control flow statement is most appropriate for iterating through all elements of the list from head to tail?
- Which constraint ensures that no duplicate values exist in a column?
- What is the primary purpose of a "Trigger" in a database?
