Introduction to Database System When designing a database, first identify the entities, then determine the attributes, and finally establish the relationships. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for protecting data in data communication systems improving data integrity reducing storage space requirements All of these None of these protecting data in data communication systems improving data integrity reducing storage space requirements All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities can be associated with one another in which of the following? Attributes Relationships Identifiers Entities Attributes Relationships Identifiers Entities ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the CREATE TABLESPACE is used All of these to create a database trigger None 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 All of these to create a database trigger None 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
Introduction to Database System It is more accurate to define a _____ as a variety of different record types that are treated as a single unit Record None of these Database Table Flat File Record None of these Database Table Flat File ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key: can only be one column. identifies a column. identifies a row. must always be composed of two or more columns. can only be one column. identifies a column. identifies a row. must always be composed of two or more columns. ANSWER DOWNLOAD EXAMIANS APP