databases Online Quiz - 148
Description: databases Online Quiz - 148 | |
Number of Questions: 20 | |
Created by: Aliensbrain Bot | |
Tags: databases |
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Always use hints while writing queries (e.g. WITH NOLOCK, WITH UPDLCK) since it will help the query optimizer
Which of the below is the correct query to update the columns of a table:
UNION query returns only distinct rows and UNION ALL may return duplicates.
Bitmap index is suitable for the tables having huge and repeatative(duplicates) data.
Which command is used to Check integrity of a table or indexed view?