Introduction to Database System Which command(s) is(are) used to redefine a column of the table in SQL ? all of the listed here ALTER TABLE MODIFY TABLE DEFINE TABLE all of the listed here ALTER TABLE MODIFY TABLE DEFINE TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An attribute that names or identifies entity instances is a(n): identifier. relationship. entity. attribute. identifier. relationship. entity. attribute. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The logical data structure with a one-to-many relationship is a network relational tree chain network relational tree chain 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 ________ . indexes user data A report metadata indexes user data A report metadata 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 All of these None of these improving data integrity reducing storage space requirements protecting data in data communication systems All of these None of these improving data integrity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Row is synonymous with the term: field. record. relation. column. field. record. relation. column. ANSWER DOWNLOAD EXAMIANS APP
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