Introduction to Database System Data encryption techniques are particularly useful for All of these None of these improving data integrity reducing storage space requirements protecting data in data communication systems All of these None of these improving data integrity reducing storage space requirements protecting data in data communication systems ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The DBMS that is most difficult to use is ________ . Microsoft's Access IBM's DB2 Microsoft's SQL Server Oracle Corporation's Oracle Microsoft's Access IBM's DB2 Microsoft's SQL Server Oracle Corporation's Oracle ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Large collections of files are called file system fields databases None of these records file system fields databases None of these records ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type may be related to more than one record of another record type. Many-to-one relationship Many-to many relationship One-to-many relationship One-to-one relationship Many-to-one relationship Many-to many relationship One-to-many relationship One-to-one relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key: identifies a column. can only be one column. identifies a row. must always be composed of two or more columns. identifies a column. can only be one column. identifies a row. must always be composed of two or more columns. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a relational database? FoxPro dBASE IV Reflex 4th Dimension FoxPro dBASE IV Reflex 4th Dimension ANSWER DOWNLOAD EXAMIANS APP
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