Introduction to Database System In a relation, the columns are sometimes called "attributes". True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A good query system can accept English language commands None of these can be accessed only by data processing professionals both (a) and (b) allows non-programmers to access information stored in a database can accept English language commands None of these can be accessed only by data processing professionals both (a) and (b) allows non-programmers to access information stored in a database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relational schema, each tuple is divided into fields called Queries Domains Relations All of the listed here Queries Domains Relations All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A network schema restricts the structure to a one-to-many relationship permits many-to-many relation¬ships stores data in tables All of the listed here restricts the structure to a one-to-many relationship permits many-to-many relation¬ships stores data in tables All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n): transitive dependency. referential integrity constraint. insertion anomaly. normal form. transitive dependency. referential integrity constraint. insertion anomaly. normal form. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The only reason for the existence of relations is to store instances of functional dependencies. True False True False ANSWER DOWNLOAD EXAMIANS APP
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