Introduction to Database System Which of the following is a serious problem of file management systems? data redundancy difficult to update lack of data independence All of these program dependence data redundancy difficult to update lack of data independence All of these program dependence ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file contains several records. What does each record contain? Fields Words Bytes Database Fields Words Bytes Database 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 Log file Specialized file Update file Master file Log file Specialized file Update file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not characteristic of a relational database model? records treelike structure complex logical relationships tables records treelike structure complex logical relationships tables ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System To have a file hold a list, it is necessary to All of the listed here decide which fields will be used as sort or index keys identify the records in the list identify the name, width and type of the fields of each record. All of the listed here decide which fields will be used as sort or index keys identify the records in the list identify the name, width and type of the fields of each record. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the CREATE TABLE is used to create a table, defining its columns, integrity constrains, and storage allocation to change a table's storage characteristics to redefine a column to add a column/integrity constraint to a table All of these to create a table, defining its columns, integrity constrains, and storage allocation to change a table's storage characteristics to redefine a column to add a column/integrity constraint to a table All of these ANSWER DOWNLOAD EXAMIANS APP
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