Introduction to Database System Which of the following products was the first to implement true relational algebra in a PC DBMS? IDMS Oracle dBase-II R:base IDMS Oracle dBase-II R:base ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The activity of a file is a low percentages of number of records added or deleted from a file None of these if high, reduces processing efficiency for sequential and nonsequential files is a measure of the percentage of existing records updated during a run refers to how closely the files fits into the allocated is a low percentages of number of records added or deleted from a file None of these if high, reduces processing efficiency for sequential and nonsequential files is a measure of the percentage of existing records updated during a run refers to how closely the files fits into the allocated ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational model uses some unfamiliar terminology. A tuple is equivalent to a field record data base data item field record data base data item ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System To have a file hold a list, it is necessary to identify the records in the list identify the name, width and type of the fields of each record. decide which fields will be used as sort or index keys All of the listed here identify the records in the list identify the name, width and type of the fields of each record. decide which fields will be used as sort or index keys All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Large collections of files are called fields records file system databases None of these fields records file system databases None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the CREATE TABLESPACE is used to create a database trigger None of these All of these to add/rename data files, to change storage to create a place in the database for storage of scheme objects, rollback segments, and naming the data files to comprise the tablespace to create a database trigger None of these All of these to add/rename data files, to change storage to create a place in the database for storage of scheme objects, rollback segments, and naming the data files to comprise the tablespace ANSWER DOWNLOAD EXAMIANS APP
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