Introduction to Database System If a piece of data is stored in two places in the database, then storage space is wasted it can be more easily accessed None of these changing the data is one spot will cause data inconsistency both (a) and (b) storage space is wasted it can be more easily accessed None of these changing the data is one spot will cause data inconsistency both (a) and (b) 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 Specialized file Master file Update file Log file Specialized file Master file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a database administrator's function? performance monitoring database design All of the listed here backing up the database performance monitoring database design All of the listed here backing up the database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to changes data in a table? APPEND INSERT BROWSE UPDATE APPEND INSERT BROWSE UPDATE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type can be related to many records in another record type and vice-versa. One-to-many relationship One-to-one relationship None of these Many-to-many relationship Many-to-one relationship One-to-many relationship One-to-one relationship None of these Many-to-many relationship Many-to-one relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the relational model, relationships between relations or tables are created by using: determinants. candidate keys. foreign keys. composite keys. determinants. candidate keys. foreign keys. composite keys. ANSWER DOWNLOAD EXAMIANS APP
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