Examples of using Sub-query in English and their translations into Spanish
{-}
-
Colloquial
-
Official
A sub-query is not different from a normal query.
It finds only the maximum salary from the sub-query.
The sub-query might return more than one row causing an error.
The GROUP BY clause is not required in the sub-query.
The WHERE clause in the sub-query is incorrectly written.
What is true about the output obtained from a sub-query?
What is the sub-query in the FROM clause of an SQL statement?
The query raises ORA error because sub-query is invalid.
The result of a sub-query is generally ignored when executed.
The WHERE clause is mandatory to be used in a sub-query.
What is the restriction on the sub-query used in the UPDATE statement?
Returns rows that match any value in a list/sub-query.
It remains inside the sub-query and can be used later when needed.
In which of the following clauses can a sub-query be used?
If trying to identify PCs that were not found in a sub-query, ensure that the'not in subquery' condition is selected and choose the appropriate sub-query from the available list.
Returns rows that match all the values in a list/sub-query.
In the first instance,create the sub-query and specify the required condition.
It throws an error as a group function is used in the sub-query.
The BETWEEN operator can be used within a sub-query but not with a sub-query.
By default, the GROUP BY clause performs ordering in a sub-query.
Which of the following is a method for writing a sub-query in a main query?
Which of the following can be used to order results in a sub-query?
Returns rows that match only some values in a list/sub-query.
Which of the following operators cannot be used in a sub-query? AND.
Which of the following multi-row operators can be used with a sub-query? IN.
It has the advantage to avoid to fetch an intermediary result by using a sub-query.
The user can execute the main query and then, if wanted,execute the sub-query.
What is true about using sub-queries in INSERT statements in Oracle?
You can also join with sub-queries.
Like FROM, you may also join with sub-queries.