Introduction to Database System Relationship classes are associations between entity classes. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A tuple is a(n): key of a table. column of a table. row of a table. two dimensional table. key of a table. column of a table. row of a table. two dimensional table. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System All instances of an entity class have the same attributes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command(s) is(are) used to redefine a column of the table in SQL ? DEFINE TABLE ALTER TABLE MODIFY TABLE all of the listed here DEFINE TABLE ALTER TABLE MODIFY TABLE all of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A large computer information system maintains many different computer files. Which amongst them is called a perpetual file? Update file Log file Master file Specialized file Update file Log file Master file Specialized file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following indicates the maximum number of entities that can be involved in a relationship? Minimum cardinality ERD Greater Entity Count (GEC) Maximum cardinality Minimum cardinality ERD Greater Entity Count (GEC) Maximum cardinality ANSWER DOWNLOAD EXAMIANS APP
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