Databases Worksheets Peter Mc.Brien Wednesday 28 th March 2018 DB Worksheet 1: Primitive Relational Algebra Operators branch sortcode bname cash 56 ’Wimbledon’ 94340.45 34 ’Goodge St’ 8900.67 67 ’Strand’ 34005.00 movement mid no amount tdate 1000 100 2300.00 5/1/1999 1001 101 4000.00 5/1/1999 1002 100 -223.45 8/1/1999 1004 107 -100.00 11/1/1999 1005 103 145.50 12/1/1999 […]
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Graph Database Graph Database Miao Qiao SEAT Massey University 1 Graph: model the interconnectivity of objects. Definition (Graph) A graph G(V , E ) has a set V of vertexes (nodes) and a set E of edges. Each edge e ∈ E connects two nodes in V . 2 Social Network 3 Road Network 4
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Microsoft PowerPoint – 11- DatabaseDesign_SchemaRefinement © 2018 A. Alawini & A. Parameswaran Database Design: Functional Dependencies Abdu Alawini University of Illinois at Urbana-Champaign CS411: Database Systems October 8, 2018 1 © 2018 A. Alawini & A. Parameswaran Announcements •HW 2 is due Oct 15 (23:59) •Project Track 1 – Stage 2 And •Project Track 2
SIT203 Assignment 2 Marking Guide Relevant php files and database (.sql or .txt) script files submitted. 3 URL(s) on Deakin webserver correctly specified 3 Database Database created on deakin server and accessible 2 Appropriate table structure and field names 2 Server Side Scripting Search form Information from form fields properly extracted
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Data Warehousing and Decision Support Views CS430/630 Lecture 11 Slides based on “Database Management Systems” 3rd ed, Ramakrishnan and Gehrke Views So far, we have looked at SQL tables Relations that are persistent Physically stored in the DBMS It is also possible to have virtual relations, or views Defined by
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COMP5338 – Advanced Data Models Dr. Ying Zhou School of Information Technologies COMP5338 – Advanced Data Models Week 2: Document Store: Data Model and Simple Query Administrative Most labs are not full at the moment If you wish to move lab but cannot do it online, please go to the lab you want
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Slide 1 XAMPP Accessing MySQL Get the command line change drive (if needed), type C: (where C is the drive letter) change to the xampp installation folder, type cd c:\xampp\mysql\bin XAMPP Accessing MySQL Win7/10, simpler way. Explorer > navigate to xampp\mysql\bin folder Shift + RightClick Select: Open command window here XAMPP Accessing MySQL Login using
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Spatial Databases Dr Claire Ellul c.ellul@ucl.ac.uk Assignment Progress • By now you should have: – Created your system specification – Created your conceptual and logical diagrams and written the documentation – Written the DDL, DML and the non-spatial queries – Made good progress on your 500 word assignment • You can now refine the above
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The Entity-Relationship Model Conceptual Design. The Entity-Relationship (ER) Model CS430/630 Lecture 12 Slides based on “Database Management Systems” 3rd ed, Ramakrishnan and Gehrke Database Design Overview 2 Conceptual design The Entity-Relationship (ER) Model, UML High-level, close to human thinking Semantic model, intuitive, rich constructs Not directly implementable Logical Design
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Page 1 of 3 © Claire Ellul Database Manipulation Language The database manipulation language (DML) is used to insert, update and delete data from the database once the database and associated objects have been created using the Database Definition Language (DDL). DML statements can be run through a command-line interface, creating one item of data
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