relational algebra and sql query simple question

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ExtraCurriculum (Course_code, school, title, description) Enrolls_in (Course_code, StudentID) Student (StudentID, DOB, name, address, phone_no) a) Use Relational Algebra to find students who are either enrolled in ‘pottery classes’ or ‘self-defence classes’ using UNION. b) Use Relational Algebra to find students who are not enrolled in any extra curriculum courses. c) Use SQL to list the students in alphabetical order who are enrolled in more than 3 different kinds of extra curriculum courses. i need help with these questions they are really simple for 5$

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@DeveloperNicky

I can solve the question for you I have worked with SQL for a long time, I am a data analyst with more than 5 years

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@sairusk

Hi Oracle Database, MySQL, SQL and Relational Databases • This is Sairus Khalil from DW Solution online. I'm certified in web designing and development by freelancer.com. You can also check certificate in my profile. • DW Solution Online is providing Responsive Website designing & Development Services. we have very experienced project managers, team leads, web/graphic designers and programmers. We have worked on almost all commonly used programming languages, frameworks, open source, databases, difference API integration, payment integration, SMS integration, CRM customization etc. Due to our vast experience working for different industries and business domains, our team now take any new challenges and deliver the project according to client's requirements. All you need is to explain your idea to us, send us written requirements or share your requirements. Some of the programming languages are mentioned below: Skills: ASP.NET/MSSQL, C#, VB.NET, PHP/MySQL, WordPress, Joomla, OsCommerce, OpenCart, CS-Cart, WooCommerce, Drupal, Magento, CodeIgniter, Yii, Zend etc. Node.JS, React JS, Angular JS, iPhone & Android App development, WebServices/Back-end development. Our team is very skilled in the following; - Custom Website Development - Open Source Development & customization - E-Commerce Solution - Content Management (CMS) - Website Re-Designing - IT Consulting - Website Maintenance & Support. • Feel Free to contact.

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@cantekinkuscu

Hello there. I am a CS student at Istanbul University and It will take almost no time to complete this work. If you would like to work with me, i can complete this in 2 hours.

$5 USD dalam 2 hari