Introduction to Database System The relational model uses some unfamiliar terminology. A tuple is equivalent to a field data base data item record field data base data item record ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier? Weak entity ID- independent entity ID-dependent entity Strong entity Weak entity ID- independent entity ID-dependent entity Strong entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not the responsibility of the utilities component of DBMS software? creating the physical and logical designs None of these removing flagged records for deletion creating and maintaining the data dictionary monitoring performance creating the physical and logical designs None of these removing flagged records for deletion creating and maintaining the data dictionary monitoring performance 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 ID-dependent entity Weak entity Strong entity ID-independent entity ID-dependent entity Weak entity Strong entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A race condition occurs when None of the listed here two users of the DBMS are interacting with different files at the same time Both of the listed here Two concurrent activities interact to cause a processing error None of the listed here two users of the DBMS are interacting with different files at the same time Both of the listed here Two concurrent activities interact to cause a processing error ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which language has recently become the de-facto standard for interfacing application programs with relational database system? 4GL dBASE SQL None of these Oracle 4GL dBASE SQL None of these Oracle ANSWER DOWNLOAD EXAMIANS APP
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