1 Introduction to the Oracle Server Technologies CERTIFICATION OBJECTIVES 1.01 1.02 1.03 Position the Oracle Product Family Explain Relational Structures Understand the SQL Language 1.04 Appreciate the DBA’s Role Two-Minute Drill Self Test ✓ Q&A 2 Chapter 1: Introduction to the Oracle Server Technologies T his chapter describes the entire Oracle product family‚ the concepts behind relational databases‚ the SQL language‚ and the role of the database administrator (DBA) in
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3. Answer the following questions concerning Figure 2-22. a) Where is a unary relationship‚ what does it mean‚ and for what reasons might the cardinalities on it be different in other organizations? A unary relationship is shown with the EMPLOYEE entity; An EMPLOYEE Supervises 0:M EMPLOYEEs‚ An EMPLOYEE Is Supervised By 0:1 EMPLOYEE. This relationship tells us that we can determine what employees are supervised by another employee‚ as well as determine which employees are supervisors in this company
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DATA: A collection of known facts and figures. May contain text‚ numbers‚ images‚ sounds or videos etc. It doesn’t convey useful information METADATA: Data about data (describes prop and char of other data) INFORMATION: 1. Processed form of data is called Information 2. Processed data to increase knowledge of user e.g Name‚ Ages Older than 30 * Bit: Smallest unit of data; binary digit (0‚1) * Byte: Group of bits that represents a single character * Field: Group of words
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LIBRARY STUDYROOM FLASHCARDS NEW Like 7.3k Search Database LogIn Like C o r e J a v a 452 1.6K Database Concept Overview of DBMS Database Architecture Database Model Codd’s rule RDBMS Concept Database key Normalization E-R Diagrams Generalization and Specialization SQL Concept SQL Introduction DDL Command Create query Alter query Truncate‚ Drop and Rename query DML Command All DML command TCL Command All TCL Command DCL Command All DCL Command
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considers the effect environment has on behaviors. The James-Lange theory of emotion proposes that an event triggers a physiological reaction‚ which we then interpret. Per the theory‚ emotions are caused by the interpretations of physiological reactions (Huffman‚ K.‚2002). G. Stanley Hall had a different up bring than James his parents were conservative Congregational parents‚ and he was raised in a modest farm‚ his mother aspiration for him was to go into
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Tour Operator Agency Database Name: Institutional Affiliation: Tour Operator Agency Database 1. Data Model a. Propose an efficient data structure that may hold the tour operator’s data using a normalization process. Describe each step of the process that will enable you to have a 2nd Normal Form data structure The Company is seeking to have a database that will accommodate and sustain its business operations as it continues with the expansion plan. The existing database system is restricted
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teaching he can show that he lives by this proverb. People learning from Socrates‚ learned that Socrates used problem solving to show that he was knowledgeable. This quote describing Socrates states‚ “Socrates used questioning to find the answer” (Huffman). This quote ties in with knowledgeable because he used this method to solve life problems for people to come up with a solution. People can also say that from this that he was very intelligent. Socrates was a philosopher so since philosophy is the
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Distributed Processing Unit Testing Integration Testing System Testing Chapter 11 Database Database Models Hierarchical Network Multi-dimensional Relational O-O Object-Relational DBMS Data Warehouse Data Mining Cardinality XML Normalization Primary Key Foreign Key SQL create database/table add‚ modify‚ delete data retrieve‚ join data Chapter 12 High-Level vs. Low-Level Languages 1st‚ 2nd‚ 3rd‚ 4th‚ and 5th Generation Languages Problem Statement Algorithm
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Study Guide MIS 691 Midterm Chapter 2 2.2 Entity: One theme or topic; something of importance to a user that needs to be represented in a database. In the entity-relationship model‚ entities are restricted to things that can be represented by a single table. An example of this is in the EMPLOYEE table; data about the entity (the employee) is in the table rows and data about the entity’s attributes are in the rows. 2.3 List the characteristics a table must have to be a relation: *
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as 1984 by George Orwell is climbing the charts yet again. There are alarming similarities between the society created by Orwell and the society we are currently living in‚ just a few being the censorship of news and Winston rewriting news‚ the normalization of both the Oceania government’s lies and Donald Trump’s‚ and him having his very own version of the
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