Introduction to Database System A key: identifies a column. can only be one column. must always be composed of two or more columns. identifies a row. identifies a column. can only be one column. must always be composed of two or more columns. identifies a row. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following products was the first to implement true relational algebra in a PC DBMS? dBase-II R:base IDMS Oracle dBase-II R:base IDMS Oracle ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A recursive relationship is a relationship between an entity and ________ . itself a subtype entity an instance entity an archetype entity itself a subtype entity an instance entity an archetype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When you have finished entering information into a form the contents of the form are written to the data file the contents of the form can be printed the template is written to the data file All of the listed here the contents of the form are written to the data file the contents of the form can be printed the template is written to the data file All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not true of the traditional approach to information processing? It is inflexible There is common sharing of data among the various applications It is file-oriented Programs are dependent on the files All of these It is inflexible There is common sharing of data among the various applications It is file-oriented Programs are dependent on the files All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System You have run an SQL statement that asked the DBMS to display data in a table named USER_TABLES. The results include columns of data labeled "TableName," "NumberOfColumns" and "PrimaryKey." You are looking at ________ . user data metadata indexes A report user data metadata indexes A report ANSWER DOWNLOAD EXAMIANS APP
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