Tag: technology

1. Are true and false keywords?

1. Does garbage collection guarantee that a program will not run out of memory?

1. Can a method be overloaded based on different return type but same argument type ?

1. Is null a keyword?

1. Which non-Unicode letter characters may be used as the first character of an identifier?

Select odd item from the list.

Following datatype cannot be used twice in a table.

CHAR is not compatible with.

Which one is PL/SQL (but not SQL) datatype

Select all ANSI supported datatypes.