Introduction to Database System In SQL, which command is used to select data in rows and column from one or more tables? SELECT None of these BROWSE LIST CHOOSE SELECT None of these BROWSE LIST CHOOSE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A maximum cardinality is the maximum number of entity instances that can participate in a relationship instance. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary doesn't provide information about: It allows a many-to-many relationship the size of the disk storage device It is conceptually simple where data is located It will be the dominant data base of the future It allows a many-to-many relationship the size of the disk storage device It is conceptually simple where data is located It will be the dominant data base of the future ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file can be best described as a general collection of data items a random collection of data items None of these a single data item an orderly collection of data items a general collection of data items a random collection of data items None of these a single data item an orderly collection of data items ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a restriction for a table to be a relation? All of the entries in any column must be of the same kind. The columns must be ordered. No two rows in a table may be identical. The cells of the table must contain a single value. All of the entries in any column must be of the same kind. The columns must be ordered. No two rows in a table may be identical. The cells of the table must contain a single value. 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? Oracle IDMS R:base dBase-II Oracle IDMS R:base dBase-II ANSWER DOWNLOAD EXAMIANS APP
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