Study tips 1D0-541

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

Which relational algebraic operation is used to select specific columns (attributes) from a relation?

Which of the following describes two desirable characteristics of a primary key?

which data records are stored in one or more files with no structured relationship?

Which of the following best describes the two-tier database architecture?

Which term describes an attribute or combination of attributes that uniquely identifies a row in a relation?

Which of the following is a characteristic of the three-tier database architecture?

Which statement best describes a candidate key?

Which subset of Structured Query Language (SQL) is used to create and name database entities?

Which of the following best describes the functionality of a DBMS?