INTERBASE 6
FEATURES
28
INTERBASE 6
g
Language Elements
InterBase 6 contains several new and upgraded language elements, including new
keywords, delimited identifiers, large exact numerics, additions to the
ALTER DOMAIN
syntax, and a new
ALTER
COLUMN
clause of
ALTER TABLE
to change the name, position, and
datatype of columns in tables. InterBase 6 includes three datatypes for handling date and
time:
TIMESTAMP
,
DATE
, and
TIME
. InterBase 6 also provides the new
EXTRACT
()
function
for extracting date and time information, as well as well as
CURRENT_DATE
,
CURRENT_TIME
,
and
CURRENT_TIMESTAMP
functional operators, and three new date/time literals. See
Do'stlaringiz bilan baham: