Introduction to Database System A relational database management (RDBM) package manages data in more than one file at once. How does it organize these file? As None of these tuple tables relations both (a) and (b) None of these tuple tables relations both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The activity of a file refers to how closely the files fits into the allocated if high, reduces processing efficiency for sequential and nonsequential files is a low percentages of number of records added or deleted from a file is a measure of the percentage of existing records updated during a run None of these refers to how closely the files fits into the allocated if high, reduces processing efficiency for sequential and nonsequential files is a low percentages of number of records added or deleted from a file is a measure of the percentage of existing records updated during a run None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type is related to only one record of another record type. One-to-many relationship One-to-one relationship Many-to-one relationship Many-to-many relationship None of these One-to-many relationship One-to-one relationship Many-to-one relationship Many-to-many relationship None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to remove an index from the database in SQL? ROLL BACK INDEX DROP INDEX DELETE INDEX REMOVE INDEX ROLL BACK INDEX DROP INDEX DELETE INDEX REMOVE INDEX ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database has data and relationships. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The language used in application programs to request data from the DBMS is referred to as the DML DDL All of the listed here query language DML DDL All of the listed here query language ANSWER DOWNLOAD EXAMIANS APP
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