Introduction to Database System Prior to 1970, all data was stored in separate files, which were mostly stored on reels of magnetic tape. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to select data in rows and column from one or more tables? BROWSE CHOOSE SELECT None of these LIST BROWSE CHOOSE SELECT None of these LIST ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database management system None of the listed here can do more than a record management system Both of the listed here allows simultaneous access to multiple files None of the listed here can do more than a record management system Both of the listed here allows simultaneous access to multiple files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not true of the traditional approach to information processing? Programs are dependent on the files It is file-oriented There is common sharing of data among the various applications It is inflexible All of these Programs are dependent on the files It is file-oriented There is common sharing of data among the various applications It is inflexible All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Batch processing is appropriate if All of these None of these only a few transactions are involved a large computer system is available only a small computer system is available All of these None of these only a few transactions are involved a large computer system is available only a small computer system is available ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity? ID-independent entity Strong entity Weak entity ID-dependent entity ID-independent entity Strong entity Weak entity ID-dependent entity ANSWER DOWNLOAD EXAMIANS APP