Introduction to Database System All instances of an entity class have the same attributes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Sort/report generators do not need to sort before generating a report require more disk space than index/report generators none of the listed here are faster than index/report generators do not need to sort before generating a report require more disk space than index/report generators none of the listed here are faster than index/report generators ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A network schema stores data in tables All of the listed here permits many-to-many relation¬ships restricts the structure to a one-to-many relationship stores data in tables All of the listed here permits many-to-many relation¬ships restricts the structure to a one-to-many relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to add a column/integrity constraint to a table ALTER TABLE MODIFY TABLE INSERT COLUMN ADD COLUMN ALTER TABLE MODIFY TABLE INSERT COLUMN ADD COLUMN ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the CREATE TABLE is used to redefine a column All of these to change a table's storage characteristics to add a column/integrity constraint to a table to create a table, defining its columns, integrity constrains, and storage allocation to redefine a column All of these to change a table's storage characteristics to add a column/integrity constraint to a table to create a table, defining its columns, integrity constrains, and storage allocation ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System With respect to data input, the most accurate description of batch control is comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system All of these dividing documents to be entered into batches controlling the input of each input clerk None of these comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system All of these dividing documents to be entered into batches controlling the input of each input clerk None of these ANSWER DOWNLOAD EXAMIANS APP
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