Does Oracle allow a composite key? If so, how is it defined?
What will be an ideal response?
Yes, composite key is allowed in Oracle tables. The composite primary key is defined at the table
level, and the column names are entered with a comma as a separator. For example,
CONSTRAINT dependent_empid_depid_pk
PRIMARY KEY (EmployeeId, DependentId)
You might also like to view...
What literal(s) appear in the following C++ statement? int number = 4 + 8;
A) number B) 4 C) 8 D) 12 E) both B and C
If you have data that is organized into more than one column–not counting labels–use a ________ chart to compare values in the columns
A) column B) line C) bar D) clustered column
____ is a term used to describe a blanket of high-contrast pixels that produce a grainy effect over an image.
A. Blur B. Fuzziness C. Noise D. Contrast
Presenter View enables you to project to a second screen
Indicate whether the statement is true or false