Introduction to Database System Which command(s) is(are) used to redefine a column of the table in SQL ? ALTER TABLE MODIFY TABLE all of the listed here DEFINE TABLE ALTER TABLE MODIFY TABLE all of the listed here DEFINE TABLE 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? ERD Minimum cardinality Greater Entity Count (GEC) Maximum cardinality ERD Minimum cardinality Greater Entity Count (GEC) Maximum cardinality ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Characteristic(s) of a distributed MIS structure is All of these interactive sharing of the workload None of these a multiprocessing environment computers supporting local DP operations All of these interactive sharing of the workload None of these a multiprocessing environment computers supporting local DP operations ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The model for a record management system might be a Rolodex card file None of these All of these handwritten list a business form a Rolodex card file None of these All of these handwritten list a business form ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the columns are sometimes called "attributes". True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A maximum cardinality is the maximum number of entity instances that can participate in a relationship instance. False True False True ANSWER DOWNLOAD EXAMIANS APP
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