The number of attributes in relation is called as its .....................

What is Hypertext Transfer Protocol (HTTP)?

• [A] The protocol to copy files between computers
• [B] The transfer protocol to transfer Web pages to a browser
• [C] The database access protocol for SQL statements
• [D] The hardware/software protocol that limits access to company data

..............defines the structure of a relation which consists of a fixed set of attribute-domain pairs.

• [A] Schema
• [B] Program
• [C] Instance
• [D] none

................. allows individual row operation to be performed on a given result set or on the generated by a selected by a selected statement.

• [A] Procedur
• [B] Trigger
• [C] Cursor
• [D] none

Object based data models are used in describing the abstraction of the following levels?

• [A] Conceptual and view
• [B] Only physical
• [C] Physical and conceptual
• [D] Only conceptual

DBMS is a collection of .............. that enables user to create and maintain a database.

• [A] Key
• [B] Program
• [C] Translator
• [D] none