Introduction to Database System A key: identifies a column. can only be one column. must always be composed of two or more columns. identifies a row. identifies a column. can only be one column. must always be composed of two or more columns. identifies a row. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a database administrator's function? All of the listed here database design backing up the database performance monitoring All of the listed here database design backing up the database performance monitoring 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 : schema subschema relational model None of these module schema subschema relational model None of these module ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One solution to the multivalued dependency constraint problem is to: split the relation into two relations, each with a single theme. change the theme. create a new theme. add a composite key. split the relation into two relations, each with a single theme. change the theme. create a new theme. add a composite key. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is considered a: two-dimensional table. three-dimensional table. Column. one-dimensional table. two-dimensional table. three-dimensional table. Column. one-dimensional table. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A ternary relationship is so called because in contains two entities and one association between them. True False True False ANSWER DOWNLOAD EXAMIANS APP
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