1D0-541 무료 덤프문제 온라인 액세스

Which of the following best describes the information contained in the data dictionary (or system catalog)?

• A.Data model
• B.Metadata
• C.Metafile
• D.Table data

Consider the Information Engineering diagram in the exhibit showing the relations BUILDING and RESIDENT. What is the relationship between BUILDING and RESIDENT?

A 1:1

• A.M:N
• B.1:N
• C.N:1

Which term describes the rejoining of relations that have been decomposed?

• A.Referential integrity
• B.Domain constraints
• C.Denormalization
• D.Normalization

Consider the table for an employee database shown in the exhibit. What is the cardinality of the table?

• A.20
• B.25
• C.6
• D.4

What is the highest normal form of the relation(s) shown in the exhibit?

• A.No normal form
• B.Second normal form
• C.Third normal form
• D.First normal form