Introduction to Database System The physical location of a record is determined by a mathematical formula that transforms a file key into a record location in None of these a hashed file a tree file an indexed file a sequential file None of these a hashed file a tree file an indexed file a sequential file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In any hierarchy of data organization, the smallest entity to be processed as a single unit is called data record database data field None of these data file data record database data field None of these data file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The Management Information system (MIS) structure with one main computer system is called a hierarchical MIS structure distributed MIS structure decentralized MIS structure centralized MIS structure hierarchical MIS structure distributed MIS structure decentralized MIS structure centralized MIS structure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Structured Query Language (SQL) is an internationally recognized standard language that is understood by all commercial database management system products. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A primary key is a composite key that was selected to be the main identifier for the relation. True False True False 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 MODIFY TABLE ALTER TABLE all of the listed here DEFINE TABLE MODIFY TABLE ALTER TABLE all of the listed here ANSWER DOWNLOAD EXAMIANS APP
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