Introduction to Databases for Business Analytics Week 10 Data Control Language (DCL) Term 2 2022 Lecturer-in-Charge: Kam-Fung (Henry) : Tutors: Copyright By PowCoder代写 加微信 powcoder PASS Leader: • There are some file-sharing websites that specialise in buying and selling academic work to and from university students. • If you upload your original work to these […]
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Introduction to Databases for Business Analytics Week 3: SQL 1 Term 2 2022 Lecturer-in-Charge: Kam-Fung (Henry) : Tutors: Copyright By PowCoder代写 加微信 powcoder PASS Leader: (Tutor-in-Charge) Liam Li • There are some file-sharing websites that specialise in buying and selling academic work to and from university students. • If you upload your original work to
CS代写 SQL-86, it has been undergone major revisions in 1992, SQL-92, and 1999, SQ Read More »
CIND110 – Lab 05 CIND110 – Data Organization for Data Analysts Lab 05 – Relational Algebra Expressions 1 Running the MySQL Service 2 2 The Working Database Schema 3 3 Unary Relational Operations 4 3.1 3.2 3.3 TheSELECTOperation(σ)………………………… 4 ThePROJECTOperation(π)………………………… 7 TheRENAMEOperation(ρ) ………………………… 9 4 Set Theory Operations 11 4.1 TheUNIONOperation(∪)…………………………. 11 4.2 TheINTERSECTOperation(∩) ……………………….
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CIND110 – Data Organization for Data Analysts Lab 03 – Basic SQL Operations 1 Running the MySQL Service 2 Creating a Database 3 Designing Tables 4 Inserting/Removing Records/Rows 5 Altering Attributes/Columns 6 Updating Data 7 Cloning Tables 8 Integrity Constraints 11 13 16 17 CIND110 – Lab 03 • Check the status of the MySQL
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CIND110 – Lab 04 CIND110 – Data Organization for Data Analysts Lab 04 – More SQL and Schema Modification 1 Running the MySQL Service 2 2 The Working Database Logical Model 3 3 Comparisons Involving Three-valued Logic 4 4 Nested Queries 5 Applying Boolean Functions 6 Renaming Columns in the Results 7 Joining Tables 8
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THE AUSTRALIAN NATIONAL UNIVERSITY SAMPLE Second Semester Examination – not a real one RELATIONAL DATABASES (COMP2400/6240) Reading Time: 15 minutes Writing Time: 2 hours for COMP2400 21⁄2 hours for COMP6240 Permitted Materials: One A4 sheet with notes on both sides Notes may be handwritten or printed/typed The A4 sheet may be a photocopy Total Marks:
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THE AUSTRALIAN NATIONAL UNIVERSITY Second Semester Examination – November 2012 RELATIONAL DATABASES (COMP2400/COMP6240) Writing period: 3 hours duration Study period: 15 minutes duration Permitted materials: A4 paper (one sheet) with handwritten notes one side only Instructions: • This exam booklet contains 5 questions, totaling 65 marks. • You need to answer all questions. Whenever you
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Revision – Final Exam Information NoSQL Test The NoSQL test was available from 12:00pm, 23 October (Saturday) to 11:59pm, 28 October (Thursday). The NoSQL results will be released on 29 October (Friday). Special Drop-in Session: 2-3 pm (Tuesday) 2 November. Final Exam Final Exam COMP2400: 5:40 pm, 8 November (Monday) 2021 Final Exam COMP2400: 5:40
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1. Create a new course ¡°CS-001¡±, titled ¡°Weekly Seminar¡±, with 3 credits. insert into course values (‘CS-001’, ‘Weekly Seminar’, ‘Comp. Sci.’, 3) 2. Create a section of the course from Problem 13 in Fall 2017, with sec_id of 1, and with the location of this section not yet specified. insert into section values (‘CS-001’, 1,
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Problem 1 15 points Write one SQL query to find the name and ID of each student from ‘Statistics’ department whose last name begins with the letter ‘S’ and who has not taken at least 9 out of all courses offered by ‘Cybernetics’ department. Problem 2 15 points Find names and salaries of instructors who
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