The contents of the parent and child tables are: The child table has the parent_id column that has a foreign key constraint to the id column of the parent table with ON DELETE CASCADE clause…

Question

Options

• AIt does not delete anything from any table but returns an error.
• BIt deletes one row from the parent table but does not affect the child table.
• CIt deletes one row from the parent table and two rows from the child table.
• DIt deletes one row from the parent table and sets the parent _id column to NULL in the child.

• A
  4% (2)
• B
  6% (3)
• C
  74% (35)
• D
  15% (7)

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