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SQL subqueries that can occur wherever a value is permitted provided the subquery gives only one tuple with a single attribute are called _________

SQL subqueries that can occur wherever a value is permitted provided the subquery gives only one tuple with a single attribute are called _________ Correct Answer Scalar Subqueries

SQL subqueries that can occur wherever a value is permitted provided the subquery gives only one tuple with a single attribute are called Scalar subqueries. Scalar Subqueries can be used in the SQL update statement when they are used under the set clause.

Related Questions

Hawthorne studies have proved that
1. wherever the supervisors are employee centered, the output of the employees is high.
2. wherever the supervisors are production centered, the output of the employees is more.
3. wherever the supervisors are employee centered, the output of the employees is less.
4. wherever the supervisor are production centered, the output of the employees is less.
Hawthorne studies have proved that
1.wherever the supervisors are employee centered, the output of the employees is high.
2. wherever the supervisors are production centered, the output of the employees is more.
3. wherever the supervisors are employee centered, the output of the employees is less.
4. wherever the supervisor are production centered, the output of the employees is less.
Abeer has 14 novels. Abeer’s friend Sanjay takes 3 of them and gives 2 novels to Abeer. Abeer donates 7 novels but buys 4. Joy takes 4 novels from Abeer and gives him 5. Abeer takes one novel from Sanjay and gives it to Joy in exchange for 3 more. Abeer gives those 3 novels to Sanjay and he gives Abeer a novel and a magazine. Rahul takes the magazine which Sanjay gave to Abeer and gives Abeer a textbook. Abeer gives the textbook to Joy in exchange for a novel. Rahul takes the novel from Sanjay, gives it to Joy for a magazine and gives Abeer the magazine for a novel. How many textbooks does Abeer have?
An attribute A of datatype varchar(20) has the value “Avi”. The attribute B of datatype char(20) has value ”Reed”. Here attribute A has ____ spaces and attribute B has ____ spaces.
The values appearing in given attributes of any tuple in the referencing relation must likewise occur in specified attributes of at least one tuple in the referenced relation, according to _____________________ integrity constraint.
Correlated subqueries are similar to a regular subquery.
A _________ integrity constraint requires that the values appearing in specified attributes of any tuple in the referencing relation also appear in specified attributes of at least one tuple in the referenced relation.
To change a value in a tuple without changing all the values in the tuple, we use the _____ statement
A correlated subquery is processed as a nested subquery.
For each attribute of a relation, there is a set of permitted values, called the ________ of that attribute.