<p>Create a table STUDENT_RECORD with columns</p><p> SID NUMBER , SNAME VARCHAR2(40) , COURSE VARCHAR2(30) , MARKS NUMBER</p><p> Then perform the following:</p><p> * Add column GRADE CHAR(1)</p><p> * Modify MARKS datatype to NUMBER(5,2)</p><p> * Rename column COURSE to COURSE_NAME</p>