Introduction to Database System A race condition occurs when Both of the listed here None of the listed here two users of the DBMS are interacting with different files at the same time Two concurrent activities interact to cause a processing error Both of the listed here None of the listed here two users of the DBMS are interacting with different files at the same time Two concurrent activities interact to cause a processing error ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a serious problem of file management systems? program dependence lack of data independence All of these difficult to update data redundancy program dependence lack of data independence All of these difficult to update data redundancy ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database has data and relationships. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator? Supertype entity Archetype entity Instance entity Subtype entity Supertype entity Archetype entity Instance entity Subtype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A good query system can be accessed only by data processing professionals can accept English language commands allows non-programmers to access information stored in a database None of these both (a) and (b) can be accessed only by data processing professionals can accept English language commands allows non-programmers to access information stored in a database None of these both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A report form both (a) and (b) All of these appears on the computer monitor during data entry None of these is used during report generation to format data both (a) and (b) All of these appears on the computer monitor during data entry None of these is used during report generation to format data ANSWER DOWNLOAD EXAMIANS APP
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