Introduction to Database System An attribute that names or identifies entity instances is a(n): attribute. relationship. entity. identifier. attribute. relationship. entity. identifier. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the CREATE TABLE is used All of these to redefine a column to change a table's storage characteristics to create a table, defining its columns, integrity constrains, and storage allocation to add a column/integrity constraint to a table All of these to redefine a column to change a table's storage characteristics to create a table, defining its columns, integrity constrains, and storage allocation to add a column/integrity constraint to a table ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for reducing storage space requirements protecting data in data communication systems improving data integrity None of these All of these reducing storage space requirements protecting data in data communication systems improving data integrity None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following products implemented the CODASYL DBTG model? dBase-II IDMS R:base DB2 dBase-II IDMS R:base DB2 ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A primary key is a composite key that was selected to be the main identifier for the relation. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following hardware components is the most important to the operation of a database management system? high speed, large-capacity disk high-resolution video display plotter printer high speed, large-capacity disk high-resolution video display plotter printer ANSWER DOWNLOAD EXAMIANS APP
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