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hello everyone welcome to part 44 of SQL for beginner series in this video session I am going to explain and practically demonstrate how to use alter statement add keyword modify column keyword rename column keyword and drop column keyword so what I am going to explain in this video session Im going to explain how to use alter statement in SQL statements are keyword okay add keyword then modify column keyword then rename column keyword then drop column keyword all these things I am going to explain in this video session so what exactly Im going to do lets say there is a table lets say there is a table having three columns like this using the statement sign keywords I am going to explain this kind of stuff okay I am going to show you what is possible lets say there is a table okay lets say the table name is employ stable this table has three columns like ID name experience I didnt experience now the requirement is to add another column here okay I would like to add one more colu