Chapter 12, Problem 1IQ

Explanation of Solution

Answer to interviewer question:

The job seeker tells about the course of information system. The courses which is taken by job seeker has various functionalities. They are data analytics, system development, MIS, and database manipulation.

SQL query:

To create a table in SQL, the programmer must know about syntax for the code. The syntax for creating a table is as follows:

CREATE TABLE TABLE_NAME (

Column1 datatype,

Column2 datatype,

…

);

The following table “Employee” is created using the about syntax in SQL.

CREATE TABLE Employee (EMP_NUM CHAR(3) PRIMARY KEY, EMP_LNAME VARCHAR(15), EMP_FNAME VARCHAR(15), EMP_INITIAL CHAR(1), EMP_HIREDATE DATE, JOB_CODE CHAR(3), FOREIGN KEY (JOB_CODE) REFERENCES JOB);

Explanation:

The table named “Employee” was created using the above query as per the given data types. The data type for “EMP_NUM”, “EMP_INITIAL”, and “JOB_CODE” is given as “CHAR”.  The data type for “EMP_LNAME”, “EMP_FNAME” is “VARCHAR” and the data type for “EMP_HIREDATE” is given as “DATE”.