Question
Statements: Some Letter are Coin. All Coin are
Note Only a few Paper are Note. Conclusions: I. Some Letter are Note. II. All Letter are Paper. III. No Letter are Paper. Read all the statements and then decide which of the given conclusions logically follow from the given statements disregarding commonly known facts.Solution
Alternate Method: Some Letter are Coin (I) + All Coin are Note (A) ⇒ Some Letter are Note (I). Hence conclusion I follows. Some Letter are Note (I) + Some note are paper (I) ⇒ No conclusion. Hence neither conclusion II nor III follows.
Which SQL feature allows hierarchical queries (e.g., org chart traversal)?
Which SQL operator is used to search for a pattern in a column?
In SQL, the ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW clause applies to:
Which SQL clause is used to filter records based on aggregate functions?
Which PL/SQL cursor attribute returns `TRUE` if the most recent `FETCH` statement returned a row, and `FALSE` otherwise?
Given a table employees(id, dept_id, salary), which query returns departments with average salary greater than overall average across the company?
Which of the following is a mandatory component of a PL/SQL function's definition?
Which of the following is a key characteristic that distinguishes a PL/SQL `FUNCTION` from a PL/SQL `PROCEDURE`?
What is the result of SELECT COUNT(NULL) on any table?
Which SQL function is used to calculate the average of a numeric column?