(A) True
(B) False
(C) Partially True
(D) None of the above
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GRANT SELECT, UPDATE(Designation) ON Employee TO Amali,Hiruni WITH GRANT OPTION; What does this SQL statement do?
(A) Grant permission to Amali,only to retrieve data from Employee table and grant permission to Hiruni, only to update the designation from Employee table
(B) Grant permission to Hiruni in order to grant, select and update permission to Amali
(C) Grant permission to Amali & Hiruni to update designation of employees in the Employee table
(D) Grant permission to Amali & Hiruni to update designation of employees in the Employee table
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What will the following questions help you define? What types of transactions take place? How many different types of transactions are there?
(A) Available resources
(B) Data environment
(C) Current operations
(D) Business objectives
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What are the fourth and fifth steps in developing a POS?
(A) Define the entities, attributes, relationships, connectivities, cardinalities, and constraints. Create the initial ERD segments
(B) Develop business rules. Create the initial ERD segments
(C) Develop business rules. Define the entities, attributes, relationships, connectivities, cardinalities, and constraints
(D) Define the major transaction modules. Create the initial ERD segments
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Which of the following is the correct syntax for adding a new column into an existing table?
(A) ALTER TABLE table_name { ALTER [COLUMN] column type [(size)] [DEFAULT default] }
(B) ALTER TABLE table_name { ADD [COLUMN] column type [(size)] [DEFAULT default] }
(C) Both I and II
(D) None of the above
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The __ operator allows to use wild cards in the where clause of an SQL statement.
(A) IN
(B) FROM
(C) LIKE
(D) None of the above
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In an ERD, the focus is on the __ and the relationships between them.
(A) attributes
(B) entities
(C) keys
(D) indexes
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Which of the following might be represented with a single-valued attribute?
(A) erson’s phone number
(B) car’s color
(C) employee’s educational background
(D) computer’s processor speed
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A collection of concepts that can be used to describe the structure of a database?
(A) Database
(B) DBMS
(C) Data model
(D) Data