A subquery in an SQL SELECT statement is enclosed in:
A. braces -- {...}.
B. CAPITAL LETTERS.
C. parenthesis -- (...) .
D. brackets -- [...].
Answer: Option C
Solution (By Examveda Team)
Option A: braces -- {...} - Braces are not used to enclose subqueries in SQL SELECT statements. This option is incorrect.Option B: CAPITAL LETTERS - Capital letters are not used to enclose subqueries in SQL SELECT statements. This option is incorrect.
Option C: parenthesis -- (...) - This option is correct. Subqueries in SQL SELECT statements are enclosed in parentheses to distinguish them from the main query.
Option D: brackets -- [...] - Brackets are not used to enclose subqueries in SQL SELECT statements. This option is incorrect.
Conclusion:
In SQL, a subquery in a SELECT statement is enclosed in parentheses to separate it from the main query and to specify its scope. Therefore, the correct answer is Option C: parenthesis -- (...).
This Question Belongs to Database >> Introduction To SQL
You can add a row using SQL in a database with which of the following?
A. ADD
B. CREATE
C. INSERT
D. MAKE
The command to remove rows from a table 'CUSTOMER' is:
A. REMOVE FROM CUSTOMER ...
B. DROP FROM CUSTOMER ...
C. DELETE FROM CUSTOMER WHERE ...
D. UPDATE FROM CUSTOMER ...
A. limits the column data that are returned.
B. limits the row data are returned.
C. Both A and B are correct.
D. Neither A nor B are correct.
Which of the following is the original purpose of SQL?
A. To specify the syntax and semantics of SQL data definition language
B. To specify the syntax and semantics of SQL manipulation language
C. To define the data structures
D. All of the above
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