What is use of a cursor variable? How it is defined?
ORACLE Interview Questions and Answers (Part 4)
(Continued from previous question...)
553. What is use of a cursor variable? How it is defined?
A cursor variable is associated with different statements at run time, which can hold different values at run time. Static cursors can only be associated with one run time query. A cursor variable is reference type (like a pointer in C).
Declaring a cursor variable:
TYPE type_name IS REF CURSOR RETURN return_type type_name is the name of the reference type,return_type is a record type indicating the types of the select list
that will eventually be returned by the cursor variable.
(Continued on next question...)
Other Interview Questions
|