Introduction to Database System Which two files are used during operation of the DBMS? None of the listed here query language and utilities data dictionary and query language data dictionary and transaction log None of the listed here query language and utilities data dictionary and query language data dictionary and transaction log ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A scheme describes records and files All of these data elements None of these record relationships records and files All of these data elements None of these record relationships ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not true of the traditional approach to information processing? There is common sharing of data among the various applications Programs are dependent on the files It is file-oriented All of these It is inflexible There is common sharing of data among the various applications Programs are dependent on the files It is file-oriented All of these It is inflexible ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to something that can be identified in the user's work environment, something that the users want to track? Identifier Relationship Attribute Entity Identifier Relationship Attribute Entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key: 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. identifies a column. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Batch processing is appropriate if a large computer system is available All of these only a few transactions are involved only a small computer system is available None of these a large computer system is available All of these only a few transactions are involved only a small computer system is available None of these ANSWER DOWNLOAD EXAMIANS APP