Introduction to Database System A ternary relationship is so called because in contains two entities and one association between them. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An ID-dependent entity is an entity whose identifier is a composite identifier where no portion of the composite identifier is an identifier of another entity. True False True False 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? R:base dBase-II Oracle IDMS R:base dBase-II Oracle IDMS ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a restriction for a table to be a relation? The columns must be ordered. No two rows in a table may be identical. All of the entries in any column must be of the same kind. The cells of the table must contain a single value. The columns must be ordered. No two rows in a table may be identical. All of the entries in any column must be of the same kind. The cells of the table must contain a single value. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Updating a database means reorganizing the database modifying or adding record occurrences all of the listed here revising the file structure reorganizing the database modifying or adding record occurrences all of the listed here revising the file structure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to create a synonym for a schema object? CREATE SYNONYM All of the listed here CREATE SCHEMA CREATE SAME CREATE SYNONYM All of the listed here CREATE SCHEMA CREATE SAME ANSWER DOWNLOAD EXAMIANS APP