How to know the days or months or years between two employees in emp table?
view answer • Please explain Outer Join in SQL view answer • Explain Concept of Self Join view answer • Explain Normal Join view answer • Explain the concept of NULL view answer • Please explain the concepts of transaction, commit and rollback view answer • Emp table had an employee with salary 2000. I issued an update statement to set the salary to 3000. Then I issued a create table statement. However the create table command errored out. I want to rollback the earlier update statement. Can I do that?
