The ----- is the hole in the center of the eye where light passes through.
sclera
Retina
Pupil
cornea
The ----- is the white, opaque portion of the eye. It provides protection and serves as an attachment for the extraocular muscles which move the eye.
Sclera
Cornea
The ----- is the innermost layer of the eye. It is composed of nerve tissue which senses the light entering the eye.
The ----- is a transparent dome which serves as the outer window of the eye. The cornea is the most powerful structure focusing light entering the eye.
Which is a major problem with SQL
SQL cannot support object-orientation
The same query can be written in many ways, each with vastly different execution plans
SQL syntax is too difficult for non-computer professionals to use
SQL creates excessive locks within the database
Which of the following is an important feature of relational databases and SQL?
Independence of table relationships
High speed of SQL
Powerful GUI front-end
Easy to install and use
Which of the following is not a Oracle Analytical Function?
ROW_NUMBER
RANK
ROWNUM
FIRST_VALUE
Which of the following functions is not operated on xml?
APPENDCHILDXML
DEPTH
EXTRACT
DUMP
What does the abbreviation DBMS stand for
Database Management System.
Data Borrowing and Movement Software.
Database Manipulation Software.
Digital Base Mapping System.
What is a 'tuple'?
A row or record in a database table.
An attribute attached to a record.
Another name for the key linking different tables in a database.
Another name for a table in an RDBMS.