MONASH INFORMATION TECHNOLOGY Creating & Populating the Database – Data Definition Language User requirements Relational model theories Oracle syntax Draw Conceptual conceptual ERD ERD Draw logical level Model Logical level Model Write database schema Database schema Business rules ERD notations Normalisation 2 2 SQL general syntax ▪ A single statement is ended with SEMICOLON. ▪ […]
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MONASH INFORMATION TECHNOLOGY Database Design II: Logical Modelling Reference Several of the examples and diagrams used this session have been taken from: Hoffer, J. A. , Prescott, M. B. & McFadden, F. R. “Modern Database Management” 2 2 Step 2 (and 3) of the Design Process ▪ Step 1 Conceptual Model (session 2) – Database
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MONASH INFORMATION TECHNOLOGY Database Design II: Logical Modelling Reference Several of the examples and diagrams used this session have been taken from: Hoffer, J. A. , Prescott, M. B. & McFadden, F. R. “Modern Database Management” 2 2 Step 2 (and 3) of the Design Process ▪ Step 1 Conceptual Model (session 2) – Database
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MONASH INFORMATION TECHNOLOGY Structured Query Language (SQL) – Part 1 Anatomy of an SQL SELECT Statement SELECT stud_nbr, stu_fname, stu_lname FROM student WHERE stu_fname = ‘Maria’; clauses statement Predicate / search condition 2 2 What table(s) the data come from? SQL SELECT Statement – Usage What column/s to display SELECT stud_nbr, stu_fname, stu_lname FROM student
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Update, Delete and Transaction Management MODIFYING ROWS USING UPDATE AND DELETE 2 UPDATE ▪ Changes the value of existing data. ▪ For example, at the end of semester, change the mark and grade from null to the actual mark and grade. UPDATE enrolment SET mark = 80, grade =’HD’ WHERE sno = 112233 and ……
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Risk Analysis in Software Design Risk analysis is often viewed as a “black art”—part fortune telling, part mathematics. Successful risk analysis, however, is nothing more than a busi- ness-level decision-support tool: it’s a way of gath- ering the requisite data to make a good judgment call based on resources, a system’s existing vul- nerabilities, and
Data Formats – (1) School of Computing and Information Systems @University of Melbourne 2022 Copyright By PowCoder代写 加微信 powcoder Data formats COMP20008 Elements of Data Processing Categories of data formats Unstructured Semi-Structured Structured Text files/documents Spreadsheets Social media data CSV, NoSQL, … More Machine Readable More Human Readable COMP20008 Elements of Data Processing Structured data
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INFO20003 Database Systems Dr Renata Borovica-Gajic Lecture 05 Modelling with MySQL Workbench Copyright By PowCoder代写 加微信 powcoder INFO20003 Database Systems Week 3 • Modelling with MySQL Workbench • Recap & further design – Conceptual Design – Logical Design – Physical Design INFO20003 Database Systems © University of Melbourne 2 Conventions of ER Modelling (Workbench) •
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CIS 355 – Fall, 2020 Assignment #3 Due date/time: Monday, November 9, 2020 No later than 11:00 PM AZ time Your assignment: Create a star schema in Microsoft SQL Server in your personal database area based on our running example of a hospital system and medical care. The specific subject areas are yours to choose,
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Cardiff School of Computer Science and Informatics Coursework Assessment Pro-forma Module Code: CM3104 Module Title: Large Scale Databases Lecturer: C.B. Jones Assessment Title: Coursework Part B Assessment Number: 1 Date Set: Week 4, Friday 6th November 2020 Submission Date and Time: Week 11, Wednesday 13th January 2021 at 9:30am Return Date: Wednesday 10th February 2021