1) Write a query in SQL to create a relation with Relation Name: myClass 47 with the following attributes: 2) Use what you have learned in the lab classes to indicate the data types and length for every attribute and add the following: - Make sure that classNumber column is not null at any circumstances. - Make sure that the default value for the classLocation is 'Ground Floor'. - Make sure that the classSize cannot be exceed 40 students. (that means from 0 to 40) - Make sure that subjectCode column is Primary key. - Make sure that courseName attribute is unique. 3) Use what you have learned in the lab classes to change the name of (courseName) column to be (subjectName) and then insert the 4 records as shown below: 4) Insert the new values below: after this step show me your work 5) Just update the subjectName of the classNumber 100 to be Matrix instead of Precalculus. 6) Just delete the classNumber 201. 7) Just select subjectName, subjectCode, and classLocation of classNumber 303 8) select all the records from the table where the class number is 200 or above and the class size above 25 . 9) select subject name where class location is in the first floor