What SYSTEM VARIABLE is used to refer DATABASE TIME ?

Can we pass RECORD GROUP between FORMS ?

Find the temperature in increasing order of all cities

Which of the following is illegal?

A set of Dictionary tables are created

Datadictionary can span across multiple Tablespaces

What is a DATABLOCK

A column defined as PRIMARY KEY can have NULL's?

A database trigger doesnot apply to data loaded before the definition of the trigger

The three language components of a database management system (DBMS) like DDL, DCL, DML.

Two different types of people (users and practitioners) are concerned with them. Which of them do users of a DBMS usually deal with?