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- Attempt to view the structure of the HOMEWORK13 view.fa table in a SQL database has a column of type `VARCHAR(100)", what does the "100" signify? a) The number of records that can be stored in the column. b) The number of unique characters that can be stored in the column. c) The maximum length of a string that can be stored in the column. d) The minimum length of a string that can be stored in the column.Create table statements (file name must be: 1_create_table.txt). Make sure you specify primary keys and foreign keys. Specifying “not null” constraint is optional. Specifying “on delete action” and “on update action” are optional.
- Employee(empno, ename, street, city, mgrssn) work_project(eno, pno, number_of_hours) Write a query and optimize it to find employee name and project number in which they work and who live in "New_york". Identify the type of indexing to be applied on 'empno' in Employee Table.1-Write the syntax to insert into a relational table called students the address column references an object table called addresses that was created using an address_type. Other columns exist in the students table, but you are only inserting into the ones below. Aliases used should be the first letter of the table name, eg students would be s, addresses would be a Relational Table Name students attribute student_id attribute surname attribute addressherpever applicable 2. Title field in Instructor table should allow only Mr., Ms., Mrs., Dr., Prof. as values apply check constraints
- Create the table Students (sno, sname, dateofbirth, program, cgpa) Fees (sno, date, fee ) Elective (sno, subcode, sub_name) Marks (sno, subcode, marks, grade) Subject ( subcode, subjectname, credit) Constraints (dateofbirth should be less than todays date in student table) (fee can not zero or negative in fee table) (Credits can not be zero or less in subject table) Query List the name of the student who got maximum cgpa. List the maximum, average and minimum CGPA for every program List the name of students who have choosed 4 credit subject List the total fee paid by every students1) Write the SQL code that will create the table structure for a table named EMP. This table is a subset of the EMPLOYEE table. The basic EMP table structure is summarized in the table below. (Note that the EMP_NUM is the PK)? ATTRIBUTE(FIELD) NAME DATADECLARATION Constraints EMP_NUM INT Auto generated Identifier, start from 101 EMP_LNAME VARCHAR(15) Not null EMP_FNAME VARCHAR(15) Not Null EMP_INITIAL CHAR(1) EMP_HIREDATE DATE Default value is system date JOB_CODE CHAR(3) Make sure input is in the range500,501,502Q5) The following table has been created: CREATE TABLE student_table ( Stud_id NUMBER (6), last_name VARCHAR2 (20), first_name VARCHAR2 (20), lunch_num NUMBER (4) ) ; which one of the following INSERT statements will work successfully? a) INSERT INTO student_table (stud_id, last_name, first_name, lunch_name) VALUES (143354, Roberts', 'Cameron',654378); b) INSERT INTO student_table (stud_id, lunch_num, first_name, last_name) VALUES (143352678,6543,'Cameron', 'Roberts'); c) INSERT INTO student_table VALUES (143354, 'Roberts', 'Cameron', 6543, 1); d) INSERT INTO student_table VALUES (143354, 'Roberts', 'Cameron', 6543) atabase_MG_2010.pur 10 Tom 31 Jack 11 Sam 12 Sally 14 Sarah 26 Silvia Q6) Based on the Employees table how many rows will result from the following SQL query: ID Name Grade Age Select grade, min(age) from employee where age > 22 group by grade having 1 2 3 1 8 3 a) 6 rows b) 3 rows E c) 2 rows d) 5 rows e) 4 rows 0001010 11101101 010101011111 1010101010101 111010101010…
- Lab Exercise Create the following tables and insert some values. STUDENT (STDNO, SNAME, DEPTNO#) DEP (DEPTΝΟ, DNAME) COURSE (CORSNO, CNAME, DEPTNO#, CMAX) ENROLMENT (STDNO#, CORSNO#, GRADE, EDATE) Query a single table 1) Display the whole content of the DEP table 2) Display all columns of the 'CP' department 3) Display the whole content of the STUDENT table 4) Display STDNO and SNAME for students in department 'CP' 7) Display all columns for departments when the Dname starts with letter 'M' or 'C'. 8) Display all columns for courses sorting the result by the CMAX descending.SQLC sharp Table: Student (the headers are the field names in the Students table) StudentID Name Age Gender ProgramID 791 Stephanie Brown 19 Female BCS 236 Shannon Dawn 25 Female BA 618 Geoff Berg 24 Male ARET 256 Andrew Schilling 22 Male BSC 902 Gary Sang 23 Male DAAD Note: There is a StudentDataSet with a Student table, a StudentTableAdapter, a StudentBindingSource, and a StudentDataGridView control on the form.Note: There is an Average query, named Average, that returns the average age of the student from the Student table.Note: There is also Max query, named Highest, that returns the highest age of the student from the Student table.Write the code you would place in the AverageButton click event on your form to call the Average query and the Highest query and display in a DifferenceLabel, the difference between the highest age of a student and the average age.