Introduction to Database System A key: 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. identifies a column. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Attributes Primary keys Entities Relationships Attributes Primary keys Entities Relationships ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System SQL stands for ________ . Sequential Question Language Structured Question Language Structured Query Language Sequential Query Language Sequential Question Language Structured Question Language Structured Query Language Sequential Query Language ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Microsoft Access is an enterprise-class database product. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In any hierarchy of data organization, the smallest entity to be processed as a single unit is called data record database None of these data file data field data record database None of these data file data field ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command(s) is(are) used to redefine a column of the table in SQL ? DEFINE TABLE all of the listed here ALTER TABLE MODIFY TABLE DEFINE TABLE all of the listed here ALTER TABLE MODIFY TABLE ANSWER DOWNLOAD EXAMIANS APP