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? None of these report writer transaction log query language data manipulation language None of these report writer transaction log query language data manipulation language ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In which of the following is a single-entity instance of one type related to many entity instances of another type? Many-to-Many Relationship Composite Relationship One-to-Many Relationship One-to-One Relationship Many-to-Many Relationship Composite Relationship One-to-Many Relationship One-to-One Relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the CREATE TABLE is used to change a table's storage characteristics All of these to create a table, defining its columns, integrity constrains, and storage allocation to add a column/integrity constraint to a table to redefine a column to change a table's storage characteristics All of these to create a table, defining its columns, integrity constrains, and storage allocation to add a column/integrity constraint to a table to redefine a column ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational database model was created by E.F. Codd. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among attributes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following indicates the minimum number of entities that must be involved in a relationship? Minimum cardinality Maximum cardinality ERD Greater Entity Count (GEC) Minimum cardinality Maximum cardinality ERD Greater Entity Count (GEC) ANSWER DOWNLOAD EXAMIANS APP
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