2020/11/16 CMPUT 291 (LEC A1 A2 EA1 EA2 Fall 2020): Mini-project 2 spec Clarifications: CMPUT291 – Fall 2020 Mini Project II (group project) Due: Nov 25th at 5pm You are responsible for monitoring the course discussion forum in eclass and this section of the project specification for more details or clarifications. No clarification will be […]
MONASH INFORMATION TECHNOLOGY Database Design 1: Conceptual Modelling ANSI/SPARC architecture – proposed 1975 View 1 View 2 External level (Users View) Conceptual level (All Data and Relationships) Internal level (Physical representation – hash, btree, isam …) Physical Storage View n Conceptual Schema Internal Schema 2 The Database Design Life Cycle Requirements Definition Conceptual Design Logical
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MONASH INFORMATION TECHNOLOGY The Relational Database Model Overview We now have a conceptual model for Monash Software, it is time to move to the second stage and map this to a logical model For our unit this will involve mapping to the Relational Model in preparation for implementation in a RDBMS ▪ Relational Model ▪
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FIT9132 Introduction to Databases Week 7 Tutorial Activities Creating and Populating the Database FIT Database Teaching Team Complete the week 7 activities: 7.1. SQL Data Definition Language (DDL) – Tutor Explanation 7.1.1 Using table constraints 7.1.2 Using ALTER table commands 7.2 CREATing tables 7.3. INSERTing data into the database 7.3.1 Basic INSERT statement 7.3.2 Using
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FIT9132 2020 S2 FIT9132 Introduction to Databases Week 5 Tutorial Suggested Solution NORMALISATION FIT Database Teaching Team FIT9132 Introduction to Databases Author: FIT Database Teaching Team License: Copyright © Monash University, unless otherwise stated. All Rights Reserved. COPYRIGHT WARNING Warning This material is protected by copyright. For use within Monash University only. NOT FOR RESALE.
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FIT9132 Introduction to Databases Week 9 Tutorial Activities Update, Delete and Transaction Management FIT Database Teaching Team Complete the week 9 activities: 9.1 Transactions Management 9.1.1 Lock Exercise – Table 9.1.2 Lock Exercise – Practice 9.2. Using UPDATE and DELETE 9.2.1 UPDATE 9.2.2 DELETE FIT9132 2020 S2 FIT9132 Introduction to Databases Author: FIT Database Teaching
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MONASH INFORMATION TECHNOLOGY Database Design 1: Conceptual Modelling FIT9132 ANSI/SPARC architecture – proposed 1975 View 1 View 2 External level (Users View) Conceptual level (All Data and Relationships) Internal level (Physical representation – hash, btree, isam …) Physical Storage View n Conceptual Schema Internal Schema 2 The Database Design Life Cycle Requirements Definition Conceptual Design
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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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SQL Advanced Outline ▪ CASE ▪Subquery – nested, inline, correlated ▪ Views ▪Joins – self join, outer join ▪Set Operators ▪Oracle Functions 2 2 SQL CASE statement The CASE statement used in the select list enables the query to evaluate an attribute and output a particular value based on that evaluation SELECT unitcode, to_char(ofyear,’YYYY’) as
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MONASH INFORMATION TECHNOLOGY Database Design II: Logical Modelling Reference Several of the examples and diagrams used this week 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 (week 2) – Database
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