Question
The first railway line in India was laid in the year
1853 from Bombay to _______.Solution
The first railway line was introduced by Dalhousie on 16th April 1853 from Mumbai to Thane. It was a 14 carriage train hauled by three locomotives: the Sahib, Sindh and Sultan.
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?
Relevant for Exams:
