Introduction to Database System Relations are categorized into normal forms according to the referential integrity constraints that they have. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the CREATE TABLE is used to create a table, defining its columns, integrity constrains, and storage allocation All of these to change a table's storage characteristics to add a column/integrity constraint to a table to redefine a column to create a table, defining its columns, integrity constrains, and storage allocation All of these to change a table's storage characteristics to add a column/integrity constraint to a table to redefine a column ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the CREATE VIEW command is used to create a trigger to recompile a table to define a view of one or more tables or views to recompile view to create a trigger to recompile a table to define a view of one or more tables or views to recompile view ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a restriction for a table to be a relation? The cells of the table must contain a single value. All of the entries in any column must be of the same kind. No two rows in a table may be identical. The columns must be ordered. The cells of the table must contain a single value. All of the entries in any column must be of the same kind. No two rows in a table may be identical. The columns must be ordered. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System With respect to data input, the most accurate description of batch control is None of these controlling the input of each input clerk comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system dividing documents to be entered into batches All of these None of these controlling the input of each input clerk comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system dividing documents to be entered into batches All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command(s) is(are) used to enable/disable/drop an integrity constraint in SQL? ALTER TABLE MODIFY TABLE All of the listed here DEFINE TABLE ALTER TABLE MODIFY TABLE All of the listed here DEFINE TABLE ANSWER DOWNLOAD EXAMIANS APP