Q. An uncorrelated subquery does not contain any reference to the values from the outer query.

View solution

Q. Which subquery cannot be executed by itself as a separate statement?

View solution

Q. Which of these operators does not perform relative-value comparisons?

View solution

Q. To combine multiple retrievals, we write several SELECT statements and put the keyword between them. What is the keyword?

View solution

Q. Which keyword used with UNION does not retain duplicate rows?

View solution

Q. Which keyword used with UNION retains duplicate rows?

View solution

Q. The UNION ALL has a higher precedence than UNION DISTINCT.

View solution

Q. Which clause is used to sort a UNION result as a whole?

View solution

Q. Suppose it is desired that UNION operation should return not more than 3 rows. Which keyword is used for this?

View solution

Q. Which table is used to run a UNION-type query on MyISAM tables?

View solution

Q. SELECT on a MERGE table is like _____________

View solution

Q. Which of these is also known as a virtual table?

View solution

Q. A View can be used to select a subset of the table columns.

View solution

Q. A view can refer to multiple tables via __________

View solution

Q. Views are not updatable.

View solution

Q. A view can be deleted using the command __________

View solution

Q. What cannot be done on a view?

View solution

Q. What can be used to check for views that have been invalidated by DROP or ALTER operations?

View solution

Q. Which of the following does not support a materialized view?

View solution

Q. To perform a delete on a single-table, how is the name of a column qualified?

View solution