Introduction to Database System If you want to organize a file in multiple ways, it is better to _____ the data rather than to sort it. Index Sort Key Delete Update None of these Index Sort Key Delete Update None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key: identifies a column. must always be composed of two or more columns. identifies a row. can only be one column. identifies a column. must always be composed of two or more columns. identifies a row. can only be one column. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The DBMS acts as an interface between what two components of an enterprise-class database system? Database application and the database Data and the database The user and the database application Database application and SQL Database application and the database Data and the database The user and the database application Database application and SQL ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to remove an index from the database in SQL? REMOVE INDEX DELETE INDEX DROP INDEX ROLL BACK INDEX REMOVE INDEX DELETE INDEX DROP INDEX ROLL BACK INDEX ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When designing a database, first identify the entities, then determine the attributes, and finally establish the relationships. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is true of a network structure? It is a physical representation of the data It will be the dominant data base of the future It allows a many-to-many relationship It is conceptually simple It is a physical representation of the data It will be the dominant data base of the future It allows a many-to-many relationship It is conceptually simple ANSWER DOWNLOAD EXAMIANS APP
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