Introduction to Database System The distinguishable parts of a record are called None of these data fields files database None of these data fields files database 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? ID- independent entity ID-dependent entity Weak entity Strong entity ID- independent entity ID-dependent entity Weak entity Strong entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The master list of an indexed file contains only a list of keys and record numbers None of these both (b) and (c) has a number assigned to each record is sorted in ascending order contains only a list of keys and record numbers None of these both (b) and (c) has a number assigned to each record is sorted in ascending order 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
Introduction to Database System The language used in application programs to request data from the DBMS is referred to as the DDL DML All of the listed here query language DDL DML All of the listed here query language ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The files stored on a secondary stage device are composed of a hierarchy of data. What does a record in a file contain? Characters Bits Data field None of the listed here Characters Bits Data field None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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