In ORACLE 11g, if you omit both NULL and NOT NULL from the list of column attributes in a CREATE TABLE statement, the default setting for null values is NOT NULL.

The collective group of a file's properties, such as its title, author, and file size is referred to as ________

A) metadata B) tags C) indices D) indexed data

COGNITIVE ASSESSMENT You want a form of backup that copies all program and data files. Which of the following will you use?

A. archival backup B. differential backup C. selective backup D. partial backup