Introduction to Database System Which of the following is not a logical data-base structure? network chain relational tree network chain relational tree ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The degree of a relationship refers to the number of entity classes in the relationship. True False True False 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? None of these dBASE 4GL Oracle SQL None of these dBASE 4GL Oracle SQL ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An ID-dependent entity is an entity whose identifier is a composite identifier where no portion of the composite identifier is an identifier of another entity. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The data dictionary tells the DBMS All of the listed here what files are in the database what attribute are possessed by the data what these files contain All of the listed here what files are in the database what attribute are possessed by the data what these files contain ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key: must always be composed of two or more columns. can only be one column. identifies a column. identifies a row. must always be composed of two or more columns. can only be one column. identifies a column. identifies a row. ANSWER DOWNLOAD EXAMIANS APP
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