Which one is the key data model in SQLite? ( ) ER model. ( ) Network data model. ( ) Object-oriented data model. ( ) Relational data model. A DBMS contains components such as ________. ( ) Query processor, DDL compiler, and database manager ( ) DML preprocessor, system buffers, and file manager ( ) Application programs, ER diagram wrapper, catalog manager ( ) Database manager, dictionary manager, system access methods Which one of the following statements is wrong? ( ) Each relation and each attribute has a distinct name. ( ) More than one value is not allowed in each cell of relation. ( ) Once a relation schema is defined, the attributes are position order sensitive. ( ) The order of table rows really matters.
Which one is the key data model in SQLite? ( ) ER model. ( ) Network data model. ( ) Object-oriented data model. ( ) Relational data model. A DBMS contains components such as ________. ( ) Query processor, DDL compiler, and database manager ( ) DML preprocessor, system buffers, and file manager ( ) Application programs, ER diagram wrapper, catalog manager ( ) Database manager, dictionary manager, system access methods Which one of the following statements is wrong? ( ) Each relation and each attribute has a distinct name. ( ) More than one value is not allowed in each cell of relation. ( ) Once a relation schema is defined, the attributes are position order sensitive. ( ) The order of table rows really matters.
Principles of Information Systems (MindTap Course List)
13th Edition
ISBN:9781305971776
Author:Ralph Stair, George Reynolds
Publisher:Ralph Stair, George Reynolds
Chapter5: Database Systems And Big Data
Section: Chapter Questions
Problem 14SAT
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Which one is the key data model in SQLite?
( ) ER model.
( ) Network data model.
( ) Object-oriented data model.
( ) Relational data model.
A DBMS contains components such as ________.
( ) Query processor, DDL compiler, and
( ) DML preprocessor, system buffers, and file manager
( ) Application programs, ER diagram wrapper, catalog manager
( ) Database manager, dictionary manager, system access methods
Which one of the following statements is wrong?
( ) Each relation and each attribute has a distinct name.
( ) More than one value is not allowed in each cell of relation.
( ) Once a relation schema is defined, the attributes are position order sensitive.
( ) The order of table rows really matters.
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