Introduction to Database System The highest level in the hierarchy of data organization is called data file data record database data bank data file data record database data bank ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following products was the first to implement true relational algebra in a PC DBMS? R:base IDMS dBase-II Oracle R:base IDMS dBase-II Oracle 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 Strong entity ID-dependent entity Weak entity ID- independent entity Strong entity ID-dependent entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The way a particular application views the data from the data base that the application uses is a : relational model subschema None of these schema module relational model subschema None of these schema module ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not true of the traditional approach to information processing? All of these There is common sharing of data among the various applications Programs are dependent on the files It is file-oriented It is inflexible All of these There is common sharing of data among the various applications Programs are dependent on the files It is file-oriented It is inflexible ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Structured Query Language (SQL) is an internationally recognized standard language that is understood by all commercial database management system products. False True False True ANSWER DOWNLOAD EXAMIANS APP