Introduction to Database System Which command(s) is(are) used to redefine a column of the table in SQL ? MODIFY TABLE all of the listed here ALTER TABLE DEFINE TABLE MODIFY TABLE all of the listed here ALTER TABLE DEFINE TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Microsoft Access is an enterprise-class database product. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The highest level in the hierarchy of data organization is called data record data file data bank database data record data file data bank database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a restriction for a table to be a relation? All of the entries in any column must be of the same kind. No two rows in a table may be identical. The columns must be ordered. The cells of the table must contain a single value. All of the entries in any column must be of the same kind. No two rows in a table may be identical. The columns must be ordered. The cells of the table must contain a single value. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following contains a complete record of all activity that affected the contents of a database during a certain period of time? data manipulation language transaction log report writer None of these query language data manipulation language transaction log report writer None of these query language ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a one-to-many relationship, the entity that is on the many side of the relationship is called a(n) ________ entity. child instance subtype parent child instance subtype parent ANSWER DOWNLOAD EXAMIANS APP