Examlex
Which of the following is defined in Oracle11g as simply anything that has a name and a defined structure?
Byte
A unit of digital information that most commonly consists of eight bits, representing a single character of data in most computer systems.
Database
An organized collection of structured information, or data, typically stored electronically in a computer system.
Entity
In general context, an entity refers to any distinct, existent thing or unit, including individuals, organizations, or other identifiable things in a particular domain of discussion.
Record
A grouping of logically related fields.
Q1: A table name can be up to
Q33: Which of the following types of joins
Q56: In a "one-to-many" relationship, which constraint is
Q67: The DROP TABLE command can be used
Q87: A(n) _ constraint is a special CHECK
Q93: A(n) _ is an alternate name temporarily
Q98: The ALTER TABLE name can be used
Q101: The name of a table can be
Q108: Which of the following SQL statements will
Q112: The NATURAL JOIN keywords can be used