Student Relation Student_ID Student_Name Dept_Name 0000 AAAAA Computer Science1111 BBBBB Computer Science2222 CCCCC Business Administration Question 13Select one:a.CREATE TABLE Student( Student_ID int, Student_Name char(20), Dept_Name char(20),);b.CREATE TABLE Student( Student_ID int, Student_Name varchar(100), Dept_Name varchar(100),);c.CREATE TABLE Student( Student_ID int, Student_Name char(100), Dept_Name char(100),);d.CREATE TABLE Student( Student_ID char(20), Student_Name char(100), Dept_Name char(100),);
Question
Student Relation Student_ID Student_Name Dept_Name 0000 AAAAA Computer Science1111 BBBBB Computer Science2222 CCCCC Business Administration Question 13Select one:a.CREATE TABLE Student( Student_ID int, Student_Name char(20), Dept_Name char(20),);b.CREATE TABLE Student( Student_ID int, Student_Name varchar(100), Dept_Name varchar(100),);c.CREATE TABLE Student( Student_ID int, Student_Name char(100), Dept_Name char(100),);d.CREATE TABLE Student( Student_ID char(20), Student_Name char(100), Dept_Name char(100),);
Solution
To answer the question, we need to choose the correct option for creating the "Student" table.
Looking at the given options: a. CREATE TABLE Student( Student_ID int, Student_Name char(20), Dept_Name char(20),); b. CREATE TABLE Student( Student_ID int, Student_Name varchar(100), Dept_Name varchar(100),); c. CREATE TABLE Student( Student_ID int, Student_Name char(100), Dept_Name char(100),); d. CREATE TABLE Student( Student_ID char(20), Student_Name char(100), Dept_Name char(100),);
We can eliminate option d because the Student_ID should be an integer, not a character.
Now, we need to choose between options a, b, and c. The difference lies in the data type used for the Student_Name and Dept_Name columns.
Option a uses the char data type with a length of 20 for both columns. This means that the maximum length of the Student_Name and Dept_Name values will be 20 characters.
Option b uses the varchar data type with a length of 100 for both columns. This allows for variable-length strings with a maximum length of 100 characters for both Student_Name and Dept_Name.
Option c also uses the char data type, but with a length of 100 for both columns. This means that the Student_Name and Dept_Name values will always be padded with spaces to reach the maximum length of 100 characters.
Based on the given data, it is not specified whether the Student_Name and Dept_Name values will have a fixed length or variable length. Therefore, the most appropriate option would be option b, which allows for variable-length strings with a maximum length of 100 characters for both columns.
Therefore, the correct answer is: b. CREATE TABLE Student( Student_ID int, Student_Name varchar(100), Dept_Name varchar(100),);
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