Online Access Free 1D0-541 Practice Test

Consider the following relational algebraic expression as well as the Dept1_Parta and Dept2_Parts relations shown in the exhibit: Which of the following relations would result form the given relational algebraic expression?

• A.D
• B.C
• C.B
• D.A

The exhibit shows a table called Activity Relation that relates a unique student identification number with a sports activity and a fee for participating in that activity. A student can participate in only one activity. The key for the relation is Student_ID. What consequence would occur if the tuple for Student_ID 1001 were removed?

• A.An update anomaly would occur.
• B.Both an insertion anomaly and a deletion anomaly would occur.
• C.An insertion anomaly would occur.
• D.A deletion anomaly would occur.

Which subset of Structured Query Language (SQL) is used to limit access to a database or its data?

• A.Data Formatting Language
• B.Data Markup Language
• C.Data Control Language
• D.Data Manipulation Language

Consider the Information Engineering diagram in the exhibit showing a conceptual data model of the relations BUILDING and RESIDENT. What is the next step in refining the data model?

• A.Create a logical data model.
• B.Create intermediate entities.
• C.Resolve many-to-many relationships.
• D.Identify and resolve complex relationships.

Which of the following best describes the ON DELETE NO ACTION referential integrity constraint?

• A.If any child key references a parent key, the record containing the parent key cannot be deleted.
• B.If a parent key is deleted, all child keys are automatically set to a specified value.
• C.If a parent key is deleted, no test is made for referential integrity.
• D.If a parent key is deleted, any child keys referenced by the parent key are automatically deleted.