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 large DBMS all of the listed here each user can access every sub¬schema each subschema contains every field in the logical schema each user can "see" only a small part of the entire database all of the listed here each user can access every sub¬schema each subschema contains every field in the logical schema each user can "see" only a small part of the entire database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the CREATE TABLE is used to redefine a column to change a table's storage characteristics to add a column/integrity constraint to a table to create a table, defining its columns, integrity constrains, and storage allocation All of these to redefine a column to change a table's storage characteristics to add a column/integrity constraint to a table to create a table, defining its columns, integrity constrains, and storage allocation All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database management system Both of the listed here None of the listed here can do more than a record management system allows simultaneous access to multiple files Both of the listed here None of the listed here can do more than a record management system allows simultaneous access to multiple files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If you want to organize a file in multiple ways, it is better to _____ the data rather than to sort it. None of these Update Index Sort Key Delete None of these Update Index Sort Key Delete ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Given the functional dependency R → S , R is called the determinant. True False True False ANSWER DOWNLOAD EXAMIANS APP
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