'Original relation' diaporamas de présentation

CSC 453 Database Systems Lecture

CSC 453 Database Systems Lecture. Tanu Malik College of CDM DePaul University. Today. Review-Normalization Normalization-BCNF Recursion PL/SQL. Prime/Non-prime attributes. A ? BC, B ? C, D ? B AB ? C, C ? D, CE ? A. Consider the following relations

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NORMALIZATION

NORMALIZATION. FIRST NORMAL FORM (1NF): A relation R is in 1NF if all attributes have atomic value = one value for an attribute = no repeating groups = no multivalued attributes = no composite attributes. Example. Non-1NF

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NORMALIZATION

NORMALIZATION. FIRST NORMAL FORM (1NF): A relation R is in 1NF if all attributes have atomic value = one value for an attribute = no repeating groups = no multivalued attributes = no composite attributes. Example. Non-1NF

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Relational Algebra

Relational Algebra. Dashiell Fryer. What is Relational Algebra?. Relational algebra is a procedural query language. It consists of the select, project, union, set difference, Cartesian product, and rename operations.

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Distributed Database Management Systems

Distributed Database Management Systems . Lecture 13. How. Interests of the local and head offices mar result following vertical partitions of this table: EMP1(eId, eName, eDept) EMP2(eId, eQual, eSal). 1- Vertical; Different subsets of attributes are stored at different places, like,

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Transcendentalism

Transcendentalism. Transcend : [verb] to go beyond the limits of; exceed; be above and independent of the physical universe. Transcendentalism.

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Inverse Relations and Functions

Inverse Relations and Functions. OBJ: ? Find the inverse of a relation ? Draw the graph of a function and its inverse ? Determine whether the inverse of a function is a function. F INDING I NVERSES OF L INEAR F UNCTIONS. Original relation.

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Original relation

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Original relation

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An Introduction to 19 th Century American Transcendentalism

An Introduction to 19 th Century American Transcendentalism. English 358, Fall 2010 Welcome to class!. What is Transcendentalism? .

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Use Inverse Functions

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Transcendentalism

Transcendentalism. What is it?. A group of new ideas in literature, religion, culture, and philosophy that emerged in New England in the 1800s Began as a protest against culture and society. Core Beliefs:.

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Inverse Functions

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6.3 Inverse Functions

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