What is the prefix key for executing an OS command in the DB2 CLP?
&
%
!
@
Which of the following tool allows you to display data of a table?
Task Center
Command Center
Health Center
All of above
Which of the following tool can be used to schedule work for DB2?
Control Center
If you use the CREATE DATABASE statement on an existing database, all data in the datafiles will be lost
True
False
In Oracle, BLOBs have full transactional support
It is a good practice to use ROWID as a table's primary key
ALL scalar functions in Oracle return null when given a null argument.
Within a single SQL statement, Oracle will increment the sequence only twice for each row.
Oracle DATE columns always contain the date but not the time fields
You may use two consecutive minus signs in arithmetic expressions to indicate the subtraction of a negative value