Answer:
If we delete record number 15 in a primary table, but there's still a related table with the value of 15, we end up with an orphaned record. Here, the related table contains a foreign key value that doesn't exist in the primary key field of the primary table. This has resulted in an “orphaned record”.
Answer:
option 1
Explanation:
href tag:- It gives the url of the destination where the link is forwarded to. It ia clickable portion of text.
name tag:- It defines the name of anchor.
Answer:
You should be strong, and be sure about what you want to say. Make sure when you speak it is clear, and makes sense.
Explanation:
If you don't speak up or sound like you know what you are talking about. I like to think of it as dancing. Act like you own the stage, or in your case, like you own the presentation. Also, I suggest you speak to your teacher in private, about him ignoring you. If I were you, I would look for newer friends. Ones that won't ignore you.
Answer:
A Red Black Tree is a type of self-balancing(BST) in this tree ,each node is red or black colored. The red black tree meets all the properties of the binary search tree, but some additional properties have been added to a Red Black Tree.
A Red-Black tree's height is O(Logn) where (n is the tree's amount of nodes).
In a red-black tree with black height k
The maximum number of internal nodes is 
.
The smallest possible number is 
.
