Introduction to Database System In a relational schema, each tuple is divided into fields called Domains All of the listed here Relations Queries Domains All of the listed here Relations Queries ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier? Weak entity Strong entity ID-dependent entity ID- independent entity Weak entity Strong entity ID-dependent entity ID- independent entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to make permanent changes made by statements issue since the beginning of a transaction? ZIP COMMIT PACK SAVE ZIP COMMIT PACK SAVE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Given the functional dependency R → S , R is called the determinant. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to add a column/integrity constraint to a table ADD COLUMN MODIFY TABLE ALTER TABLE INSERT COLUMN ADD COLUMN MODIFY TABLE ALTER TABLE INSERT COLUMN ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In which of the following can many entity instances of one type be related to many entity instances of another type? One-to-Many Relationship One-to-One Relationship Composite Relationship Many-to-Many Relationship One-to-Many Relationship One-to-One Relationship Composite Relationship Many-to-Many Relationship ANSWER DOWNLOAD EXAMIANS APP
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