How to copy tables from one database to another in SQL Server

When inserting data, what are the problems that canoccur if you don't enter the data in the same order as thecolumns? Why do you get an error if you don't enter datafor all the columns?When you update a table what is best practice to do priorto updating the data? What business issues may occur ifyou don't use a qualifier, for example, a WHERE keywordwhen updating data.When you update a table, what is best practice to doprior to deleting the data? What are possible businessconcerns you might have