Introduction to Database System An entity is something that can be identified in the user's work environment; something that the users want to track. False True False True 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? IDMS R:base Oracle dBase-II IDMS R:base Oracle dBase-II ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A file produced by a spreadsheet can be used for graphic all of the listed here can be used as it by the DBMS is generally stored on disk in an ASCII text format can be used for graphic all of the listed here can be used as it by the DBMS is generally stored on disk in an ASCII text format ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Primary keys Entities Attributes Relationships Primary keys Entities Attributes Relationships ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is a two-dimensional table. False True False True 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 ROLL BACK INDEX DROP INDEX REMOVE INDEX DELETE INDEX ROLL BACK INDEX DROP INDEX ANSWER DOWNLOAD EXAMIANS APP
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