'Type constructors' presentation slideshows

Chapter 28

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OBJECT RELATIONAL DBMS

OBJECT RELATIONAL DBMS. Motivations. Necessity to maintain compatibility with existent investments Relational DBMS Client-server applications SQL-based application building tools Necessity to support complex data and operations Textual Geometric Geographic Multimedia. RDB.

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Information Flow, Security and Programming Languages

Information Flow, Security and Programming Languages. Steve Zdancewic. What is Security?. Resources? Protection? Trust & Integrity? Policy? Principals? Threats?. Information Flow. Resource = Data Protection = Access Control Threat = Malicious Programs "leak" private information

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Introduction

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Lesson 11

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Self Type Constructors

Self Type Constructors. Atsushi Igarashi Kyoto University Joint work with Chieri Saito. My Research Interests. Type systems for static ananysis Linear types, resource usage analysis, etc. for object-oriented languages Generics, wildcards, union types, self types, gradual typing, etc.

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The Next 700 Data Description Languages

The Next 700 Data Description Languages. Yitzhak Mandelbaum, David Walker Princeton University Kathleen Fisher AT&T Labs Research. Data, data everywhere!. Incredible amounts of data stored in well-behaved formats:. Databases:. Tools Schema Browsers Query languages Standards Libraries

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Concepts for Object-Oriented Databases

Concepts for Object-Oriented Databases. Chapter 20. Chapter Outline. Overview of O-O Concepts O-O Identity, Object Structure and Type Constructors Encapsulation of Operations, Methods and Persistence Type and Class Hierarchies and Inheritance Complex Objects Other O-O Concepts.

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Writing Object Oriented Software with C#

Writing Object Oriented Software with C# . C# and OOP. C# is designed for the .NET Framework The .NET Framework is Object Oriented In C# Your access to the OS is through objects You have the ability to create first class objects The FCL is designed for extension and integration by your code.

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The Essence of ML Type Inference

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Getting started with ML

Getting started with ML. ML is a functional programming language. ML is statically typed: The types of literals, values, expressions and functions in a program are calculated (inferred) at compile time . Scheme, on the other hand, is a dynamically typed language.

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Polymorphic Type System

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Type Checking

Type Checking. Legality checks Operator determination Overload resolution. Type as a synthesized attribute. Expr ::= Expr + Term if Etype (Expr 2 ) = Etype (Term) then Etype (Expr 1 ) := Etype (Expr 2 ); else Etype (Expr1) = Any_Type;

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Object-Oriented Databases

Object-Oriented Databases. Record-oriented data models are powerful when applied to traditional database applications However in a relational model, data is organized as a flat tuple the schema are relatively static

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Object Definition Language

Object Definition Language. Design language derived from the OO community: Can be used like E/R as a preliminary design for a relational DB. CORBA. ODMG. ODL (design. OQL (queries. Relational design. ODL. OODMBS input. ODL . Class Declarations

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CS711 Foundational PCC part 2

CS711 Foundational PCC part 2. Greg Morrisett Cornell University. Recall: FPCC. Define the semantics of types in terms of the machine's instructions & security policy: e.g., v in ptr(T) (m) =def= readable(v) & v in a & m(v) in T(m)

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