Difference between Union and Union all?5
1013 5b5cc69ee4d2b4197774c975
Q: Difference between Union and Union all?
- Show Answer
- Workspace
- Discuss
Answer :
Explanation :
The difference between Union and Union all is that Union all will not eliminate duplicate rows, instead it just pulls all rows from all tables fitting your query specifics and combines them into a table. A UNION statement effectively does a SELECT DISTINCT on the results set.
Similar Questions
Since Nithya and Suganya exchange places, so Rita’s new position is the same as Monika’s earlier position. This position is 17th from the right and 10th from the left. Therefore Number of girls in the row = (16 + 1 + 9) = 26.