Introduction - Database Programming CSC 5559 Overloaded...

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Database Programming CSC 5559
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Overloaded Concepts Relation and derived terms Normal Forms Domains Database types
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Relational Relational Database Entity Relationship Diagram (ERD) Relational Design What is a Relation What is a Relationship
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Normal Forms 1st, 2nd, 3rd, 4th, 5th, 6th A little OO Secret Applied to These Normal Forms Conjunctive Normal Form Disjunctive Normal Form There are even other Normal Forms in Logic
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Domain Like a Type Like an Enterprise Context
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Current Valued Data Supports current value or current state Updates over inserts No or Little History Consequences for a Database Tends to be “statically sized” May or may not be “volatile” Write Oriented Simple Identity Used in “Tactical or Operational” Situations
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Historical Data Supports current and past values and state Insert over Update Mostly History Consequences for a Database “Infinitely Growing” Syndrome History tends to be “Non-volatile” May or not be Write Oriented Complex Identity Used in “Strategic or Analytical” Situations
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Databases Application Data Enterprise Data OLTP, ODS, Warehouse
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Complex Business Objects and The Impedance Mismatch Business Object vs. Record Twinkling Databases Replication COOP Continuity of Operations Continuous Online Operations OO vs. Relational ORM SQL Mapper
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Our Main Process Take a potentially “ambiguous”: Request Requirement Convert it to an “unambiguous” form Decide if that is the true nature of the request/requirement Convert that to a “relational” form Convert to SQL if necessary
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This note was uploaded on 06/20/2011 for the course CSC CSC5921 taught by Professor Albert during the Spring '11 term at University of Colorado Denver.

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Introduction - Database Programming CSC 5559 Overloaded...

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