Introduction to Database System For some relations, changing the data can have undesirable consequences called: modification anomalies. referential integrity constraints. transitive dependencies. normal forms. modification anomalies. referential integrity constraints. transitive dependencies. normal forms. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A good query system can accept English language commands None of these can be accessed only by data processing professionals allows non-programmers to access information stored in a database both (a) and (b) can accept English language commands None of these can be accessed only by data processing professionals allows non-programmers to access information stored in a database both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Properties that describe the characteristics of entities are called: attributes. identifiers. relationships. entities. attributes. identifiers. relationships. entities. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not the responsibility of the utilities component of DBMS software? creating and maintaining the data dictionary None of these creating the physical and logical designs removing flagged records for deletion monitoring performance creating and maintaining the data dictionary None of these creating the physical and logical designs removing flagged records for deletion monitoring performance 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 ________ . metadata user data indexes A report metadata user data indexes A report ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation in this form is free of all modification anomalies. Third normal form Second normal form First normal form Domain/key normal form Third normal form Second normal form First normal form Domain/key normal form ANSWER DOWNLOAD EXAMIANS APP
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