Introduction to Database System In SQL, which command is used to make permanent changes made by statements issue since the beginning of a transaction? COMMIT SAVE ZIP PACK COMMIT SAVE ZIP PACK ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Because it contains a description of its own structure, a database is considered to be ________ . an application program described metadata compatible self-describing an application program described metadata compatible self-describing ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The different classes of relations created by the technique for preventing modification anomalies are called: None of these normal forms. functional dependencies. referential integrity constraints. None of these normal forms. functional dependencies. referential integrity constraints. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which two files are used during operation of the DBMS? None of the listed here data dictionary and transaction log query language and utilities data dictionary and query language None of the listed here data dictionary and transaction log query language and utilities data dictionary and query language ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A logical schema is the entire database None of these is a standard way of organizing information into accessible parts describes how data is actually stored on disk All of these is the entire database None of these is a standard way of organizing information into accessible parts describes how data is actually stored on disk All 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. Many-to-one relationship Many-to-many relationship One-to-many relationship None of these One-to-one relationship Many-to-one relationship Many-to-many relationship One-to-many relationship None of these One-to-one relationship ANSWER DOWNLOAD EXAMIANS APP