Q. Snapshot of the dta in the database at a given instant of time is called

View solution

Q. Which of the following is the structure of the Database?

View solution

Q. A logical description of some portion of database that is required by a user to perform task is called as

View solution

Q. _____________ is a classical approach to database design?

View solution

Q. Which of the following is the oldest database model?

View solution

Q. Which of the following indicates the maximum number of entities that can be involved in a relationship?

View solution

Q. Which of the following data constraints would be used to specify that the value of cells in a column must be one of a specific set of possible values?

View solution

Q. In a 1:N relationship, the foreign key is placed in:

View solution

Q. Which of the following column properties specifies whether or not cells in a column must contain a data value?

View solution

Q. A primary key should be defined as:

View solution

Q. Which of the following column properties would be used to specify that cells in a column must contain a monetary value?

View solution

Q. If a denormalization situation exists with a one-to-one binary relationship, which of the following is true?

View solution

Q. Selecting a data type involves which of the following?

View solution

Q. What is the best data type definition for Oracle when a field is alphanumeric and has a length that can vary?

View solution

Q. A multidimensional database model is used most often in which of the following models?

View solution

Q. Which of the following is not a factor to consider when switching from small to large block size?

View solution

Q. The view of total database content is

View solution

Q. Architecture of the database can be viewed as

View solution

Q. In the architecture of a database system external level is the

View solution

Q. In a Hierarchical model records are organized as

View solution