Question
Which vitamin enhances iron absorption in the
body?Solution
Vitamin C (ascorbic acid) enhances the absorption of non-heme iron (the type of iron found in plant-based foods) by converting it into a more absorbable ferrous (Fe²⁺) form in the intestines. It also helps prevent the formation of insoluble and non-absorbable iron compounds.
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`?
