Question

please answer this questions​

Answer 1

Answer:

alter statement is used to modify the data in database

insert statement is used to insert values into table

Answer 2

Answer:

After 20 mins I will come..

Many barriers to effective communication exist. Examples include filtering, selective perception, information overload, emotional disconnects, lack of source familiarity or credibility, workplace gossip, semantics, gender differences, differences in meaning between sender and receiver, and biased language.

Explanation:

Psychological Barriers

There are various mental and psychological issues that may be barriers to effective communication. Some people have stage fear, speech disorders, phobia, depression etc. All of these conditions are very difficult to manage sometimes and will most certainly limit the ease of communication.