In which method Crop residue remain undisturbed

What does the ‘’ element in HTML5 allow you to do?

Which of these ensures referential integrity?

In an E-R Diagram, entities are typically represented by:

Which normal form eliminates transitive dependencies?

What is referential integrity?

A table is in 2NF (Second Normal Form) if it is in 1NF and:

Examine the following Java-like code: 

    ```java

    class Parent {

        String name = "Parent";

Which type of relationship exists when a record in one table can relate to multiple records in another table, and vice versa?

The "Dirty Read" problem occurs when:

Consider the following C++-like pseudo-code for a binary tree traversal:

    ```cpp

    struct Node {

        int data;