Question
Which of the following rice cultivation methods is most
water-use efficient and being increasingly adopted to address water scarcity?Solution
SRI uses young seedlings, wider spacing, and alternate wetting and drying. It significantly reduces water usage while maintaining or even increasing yield, making it a sustainable method under water-limited conditions.
Which type of trigger fires once for each row affected by the triggering DML statement?
What is the correct sequence of operations for using an explicit PL/SQL cursor?
Which SQL feature allows hierarchical queries (e.g., org chart traversal)?
Which operator is used for pattern matching in SQL?
Materialized views differ from normal views because:
Which SQL function returns the largest value in a column?
Which clause is used to sort query results in SQL?
Which join returns rows from the left table even when there is no matching row in the right table, filling with NULLs for the right side?
Which of the following statements about SQL `INDEXES` is generally TRUE?
What is an SQL `VIEW`?