<h3>Question Description</h3> <p>In this course, students are being asked to learn about some basic chemistry, physics and the laws of thermodynamics. Environmental Science is a multi-disciplinary field of study. There
<p>how is government purchasing different fromcommercial/industrial buying?pls explain with examples.</p>Answer to how is government purchasing different from commercial/industrial buying?pls explain with examples....
<p>Consider the following relational schemas<br/>Actor(aname: varchar2(20); role: varchar2(15); sex: char; amount:number(6); city:varchar2(10))<br/>Performs(aname: varchar2(20); title: varchar2(20))<br/>Skit(title: varchar2(20); theme: varchar2(15); duration: number(3);rating:varchar2(3))</p><p><br/>Do the following:<br/>1. Create the above tables with primary keys on