Convert this table to 2NF if it is not in 2NF. Course_Name Course_Fee Prof_ID P_01 Physics $5000 P_03 Law $7800 P_02 Economics $6500 P_03 Politics $4500 P_01 Chemistry $5000 P_02 Statistics $6500 P_05 Economics $6500 P_04 Physics $5000 In the above table {Prof_ID, Course_Name} is a candidate key.

Tables: 1. Brands (sample csv enclosed) a. Brand ID b. Brand Name c. Holding Company ID d. Holding Company Name 2. Store Order Items (sample csv enclosed) a. Order ID b. User ID c. Product ID d. Brand ID e. Unit Price f. Quantity g. Date (of sale) h. Store ID (of sale) 2. For each Product (ID), determine the “store of sale” that made the first sale of the product in 2019. Written in Sql

Topic 1: The 5 JoinsRun each of the following statements in APEX. Explain the differences in results.SELECTE.Last_Name,J.Job_TitleFROM HOL_EMPLOYEES EINNER JOIN HOL_JOBS J ON E.Job_ID=J.Job_ID;SELECTE.Last_Name,J.Job_TitleFROM HOL_EMPLOYEES ELEFT OUTER JOIN HOL_JOBS J ON E.Job_ID=J.Job_ID;SELECTE.Last_Name,J.Job_TitleFROM HOL_EMPLOYEES ERIGHT OUTER JOIN HOL_JOBS J ON E.Job_ID=J.Job_ID;SELECTE.Last_Name,J.Job_TitleFROM HOL_EMPLOYEES EFULL OUTER JOIN HOL_JOBS J ON E.Job_ID=J.Job_ID;SELECTE.Last_Name,J.Job_TitleFROM HOL_EMPLOYEES ECROSS JOIN HOL_JOBS J;                 DBMS 130 Worksheet: JOINS and SET Operations2Topic 2: Write an SQL cartesian product between Regions and Countries.Copy your APEX here.How many rows are in the result set?How could you have calculated the number of rows in the result set BEFORE running yourquery?Topic 3: Briefly explain how set operators handle NULL values.Run the following 3 SQL queries in APEX which use set operators over these…

Assume the EMPLOYEE table contains four attributes, ID, DEPT, SALARY and NAME, and has the following rows ID      DEPT     SALARY   NAME    100   SALES     40000       Smith     101     RD         38000       Terry     102     HR         60000       David     103   SALES    58000       Ellie     104      RD       70000       Judy The DEPARTMENT table contains two attributes, DEPTNAME and PHONE, and has the following rows:  DEPTNAME    PHONE     RD               8596001234     SALES        8596005555    HR              8596009876  A.) The EMPLOYEE table needs to enforce the following integrity constraints: • The ID is the primary key.  • The DEPT column is a foreign key that references the DEPTNAME in the DEPARTMENT table, so that any value that appears in the DEPT column should also exist in the DEPARTMENT table.  • The value for the NAME column can never be null.  What should be the statement used to create the EMPLOYEE table, if 1) the table was created as a partitioned table such…