Introduction to Database System Two files may be joined into a third file if they have a field in common both (b) and (c) None of these they have no records with the same value in the common field they have a row in common they have a field in common both (b) and (c) None of these they have no records with the same value in the common field they have a row in common ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not considered to be a basic element of an enterprise-class database system? DBMS COBOL programs Database applications Users DBMS COBOL programs Database applications Users ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If a piece of data is stored in two places in the database, then changing the data is one spot will cause data inconsistency storage space is wasted both (a) and (b) it can be more easily accessed None of these changing the data is one spot will cause data inconsistency storage space is wasted both (a) and (b) it can be more easily accessed None of these 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? Master file Specialized file Update file Log file Master file Specialized file Update file Log file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relational schema, each tuple is divided into fields called All of the listed here Domains Relations Queries All of the listed here Domains Relations Queries ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the columns are sometimes called "attributes". False True False True ANSWER DOWNLOAD EXAMIANS APP
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