1. Write a database description for each of the relations shown‚ using SQL DDL. CREATE TABLE Student_T (StudentID INTEGER NOT NULL‚ StudentName VARCHAR2(25)‚CONSTRAINT Student_PK PRIMARY KEY (StudentID));CREATE TABLE Faculty_T (FacultyID INTEGER NOT NULL‚ FacultyName VARCHAR2(25)‚CONSTRAINT Faculty_PK PRIMARY KEY (FacultyID));CREATE TABLE Course_T (CourseID CHAR(8) NOT NULL‚ CourseName VARCHAR2(15)‚CONSTRAINT Course_PK PRIMARY KEY (CourseID));CREATE TABLE Qualified_T (FacultyID INTEGER NOT
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12 ASP.NET Data Entry Web Application 19 Screenshots 19 Home – Table List 19 Appointment 20 AppointmentPurchaseType 21 Client 22 Doctor 23 Practitioner 23 Product 24 Treatment 24 TreatmentAppointment 26 TreatmentQuestion 26 SQL Statements 27 Test 1: 27 Test 2: 28 Test 3: 28 Test 4: 29 Test 5: 29 Test 6: 29 Test 7: 30 Test 8: 30 Test 9: 30 Test 10: 30 Test 11: 31 Test 12: 31 Test 13: 31 References 32 Introduction This report specifies the database
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Relational Database Management System Oracle provides a flexible RDBMS called Oracle7. Using its features‚ you can store and manage data with all the advantages of a relational structure plus PL/SQL‚ an engine that provides you with the ability to store and execute program units. The server offers the options of retrieving data based on optimization techniques. It includes security features that control how a database is accessed and used. Other features include consistency and protection of data
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SQL SERVER Questions And Answers What is an Entity? The basic data item stored in database is called entity. An entity can be any object‚ item‚ place‚ person‚ concept‚ or activity about which data is stored. What is an attribute? An attribute is a property of an entity. It describes a part of an entity. Entity could have one or more attributes. What is ER diagram? An Entity Relationship Diagram is diagrammatic representation of the logical structure
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complex software systems for various domains. * Good exposure of Software Development Life Cycle methods (waterfall etc.). * Extensive experience in Design‚ Development‚ and Enhancement and Maintaining applications in Oracle 9i/10g/11g using SQL‚ PL/SQL in Windows 9x/NT/2000/XP and UNIX environments. * In-depth Knowledge of Oracle Architecture‚ Data Dictionary and DBMS Packages. * Performed a major role in database migration. * Expertise in creating database Triggers‚ Stored Procedures
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and MSsql are the two Sql Servers that are commonly used today by the programmers and other IT people. These two are the most popular choices when considering a utility for data management. Both are efficient at keeping the data organized and readily available through a user interface but they differ in many drastic areas. Both are freely accessible for running small or big databases. Even they do have the same functionality; the existence of differences of the two known Sql Servers will still be
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Declaring PL/SQL Variables Copyright © 2009‚ Oracle. All rights reserved. Objectives After completing this lesson‚ you should be able to do the following: • Recognize valid and invalid identifiers • List the uses of variables • Declare and initialize variables • List and describe various data types • Identify the benefits of using the %TYPE attribute • Declare‚ use‚ and print bind variables 2-2 Copyright © 2009‚ Oracle. All rights reserved. Use of Variables Variables can be used
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on the history of SQL and database developers that have to offer “Express” versions of their database. SQL that is also known as Structured Query Language‚ is the standard language used to communicate with a relational database. The model was originally developed by IBM using Dr. E.F. Codd’s paper as a model of data for large shared data bank. In 1979‚ not long after IBM’s prototype‚ the first SQL product‚ Oracle‚ was released by Relational Software‚ Incorporated. The SQL has 3 major revisions
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storage and computer networks‚ the sizes‚ capabilities‚ and performance of databases and their respective DBMSs have grown in orders of magnitudes. The development of database technology can be divided into three eras based on data model or structure: navigational‚ SQL/relational‚ and post-relational. The two main early navigational data models were the hierarchical model‚ epitomized by IBM’s IMS system‚ and the Codasyl model (Network model)‚ implemented in a number of products such as IDMS. The relational model
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Analyzing the use of databases in the workplace University of Phoenix CIS/319 May 1‚ 2007� Analyzing the use of databases in the workplace A database stores keyed information in an organized and accessible manner. The size and capacity of databases can vary widely‚ from a small database used by an individual to file phone numbers‚ to an extremely large enterprise database that stores several gigabytes of information accessed by thousands of individuals. Databases are essential for almost every
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