Database Management

Database management

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Chapter 9 - Database Management (Completely solved)
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alphabetic check correct answers Validity check that ensures users enter only alphabetic data in a field attribute correct answers Each data element in an object backup correct answers To make a copy of selected files or an entire hard disk to another storage medium character correct answers A number, letter, punctuation mark, or other symbol that is represented by a single byte in the ASCII and EBCDIC coding schemes check digit correct answers Validity check consisting of a num...
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Concepts of Database Management, Ch. 1(Correctly solved)
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Problems with redundancy correct answers duplication wastes space inconsistency time consuming Size limitations Redundancy correct answers Duplication of data or the storing of the same data in more than one place Database correct answers Structure that can store information about: - Multiple types of entities - Attributes of entities - Relationships between entities Entity/table correct answers file Entity correct answers "table" Person, place, object, event, or id...
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Ch 10 Database Management (Correct answers)
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database correct answers a collection of data organized in a manner that allows access, retrieval, and use of that data. data correct answers a collection of unprocessed items = information correct answers processed data; is useful, organized, and meaningful database software correct answers DBMS; a management system where users create a computerized database, add, modify, and delete data in a database, and create forms and reports from the data in the database data is organized ...
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Quiz 4 Database Management Systems(100% Verified)
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An entity-relationship (E-R) modeling is an approach to representing data as entities, attributes and relationships in a database structure. correct answers true Cardinality refers to the number of entity occurrences that must be included in a relationship. correct answers true One way to indicate a one-to-many relationship is to place a crow's foot at the "one" side of the relationship. correct answers false The bottom-up design method begins with a general database design ...
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Database Management System Chapter 12(100% Correct answers)
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distributed database management system (DDBMS) correct answers a DBMS that supports a database distributed across several different sites; governs the storage and processing of logically related data over interconnected computer systems in which both data and processing functions are distributed among several sites distributed processing correct answers sharing the logical processing of a database over two or more sites connected by a network distributed database correct answers a logic...
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Database Management: Final Exam(with Accurate answers)
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A database is an organized collection of ________ related data correct answers logically Older systems that often contain data of poor quality are called ________ systems. correct answers legacy Program-data dependence is caused by: correct answers file descriptors being stored in each application. Because applications are often developed independently in file processing systems: correct answers unplanned duplicate data files are the rule rather than the exception. Relational dat...
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Database Management Midterm (Ch. 1 - 6) ||All correctly answered.
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Agile software development correct answers An approach to database and software development that emphasizes "individuals and interactions over processes and tools, working software over comprehensive documentation, customer collaboration over contract negotiation, and response to change over following a plan." Conceptual schema correct answers A detailed, technology-independent specification of the overall structure of organizational data. Constraint correct answers A rule that ca...
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Module 1: Introduction to Database Management(with Errorless answers)
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Data redundancy correct answers The duplication of data, or the storing of the same data in more than one place. redundancy correct answers The duplication of data, or the storing of the same data in more than one place. database correct answers A collection of data organized in a manner that allows access, retrieval, and use of that data. relational database correct answers A collection of related tables of data. entity correct answers A person, place, event, item, or other tra...
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Modern Database Management Chapter 1(with solved solutions)
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Database application correct answers Program that accesses a given file. Metadata correct answers Data that describe the properties or characteristics of end-user data and the context of that data. data correct answers Stored representation of objects and events that have meaning and importance in the user's environment. database correct answers Organized collection of logically related data. information correct answers Data that have been processed in such a way as to increa...
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Database Management Exam 1(All Accurately solved)
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The mapping cardinality between Publisher and Book is usually A) 1:m B) m:1 C) 1:1 D) m:m E) 1:0 correct answers A) 1:m An attribute must be the following except for which one: A) a column of a table B) a record C) a field D) single-valued correct answers B) a record What a logical data model is used for: A) For representing data requirements B) For representing business logics C) For representing how data is organized in a database D) For representing how funct...
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