Introduction to Database System Which of the following refers to something that can be identified in the user's work environment, something that the users want to track? Relationship Identifier Entity Attribute Relationship Identifier Entity Attribute ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A minimum cardinality is the minimum number of entity instances that may participate in a relationship instance. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A recursive relationship is a relationship between an entity and ________ . itself an instance entity an archetype entity a subtype entity itself an instance entity an archetype entity a subtype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The language used in application programs to request data from the DBMS is referred to as the query language DML All of the listed here DDL query language DML All of the listed here DDL ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The physical location of a record is determined by a mathematical formula that transforms a file key into a record location in a tree file None of these an indexed file a sequential file a hashed file a tree file None of these an indexed file a sequential file a hashed file 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 INSERT COLUMN MODIFY TABLE ADD COLUMN ALTER TABLE INSERT COLUMN MODIFY TABLE ADD COLUMN ANSWER DOWNLOAD EXAMIANS APP
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