Introduction to Database System Which of the following contains a complete record of all activity that affected the contents of a database during a certain period of time? transaction log data manipulation language report writer query language None of these transaction log data manipulation language report writer query language None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What is the language used by most of the DBMSs for helping their users to access data? SQL 4GL High level language Query language SQL 4GL High level language Query language ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file can be best described as a single data item None of these a general collection of data items a random collection of data items an orderly collection of data items a single data item None of these a general collection of data items a random collection of data items an orderly collection of data items ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One solution to the multivalued dependency constraint problem is to: create a new theme. split the relation into two relations, each with a single theme. add a composite key. change the theme. create a new theme. split the relation into two relations, each with a single theme. add a composite key. change the theme. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the CREATE TABLE is used to redefine a column to change a table's storage characteristics to create a table, defining its columns, integrity constrains, and storage allocation to add a column/integrity constraint to a table All of these to redefine a column to change a table's storage characteristics to create a table, defining its columns, integrity constrains, and storage allocation to add a column/integrity constraint to a table All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attributes A and B determine attribute C, then it is also true that: (A,B) is a composite determinant. B → C is a determinant. A → (A,B) is a composite determinant. B → C is a determinant. A → ANSWER DOWNLOAD EXAMIANS APP
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