These are the standard SQL'92 keywords:
absolute
action
add
all
allocate
alter
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any
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asc
assertion
at
authorization
avg
begin
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bit_length
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cascade
cascaded
case
cast
catalog
char
character
char_length
character_length
check
close
coalesce
collate
collation
column
commit
connect
connection
constraint
constraints
continue
convert
corresponding
count
create
cross
current
current_date
current_time
current_timestamp
current_user
cursor
date
day
deallocate
dec
decimal
declare
default
deferrable
deferred
delete
desc
describe
descriptor
diagnostics
disconnect
distinct
domain
double
drop
else
end
end-exec
escape
except
exception
exec
execute
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extract
false
fetch
first
float
for
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found
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full
get
global
go
goto
grant
group
having
hour
identity
immediate
in
indicator
initially
inner
input
insensititve
insert
int
integer
intersect
interval
into
is
isolation
join
key
language
last
leading
left
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like
local
lower
match
max
min
minute
module
month
names
national
natural
nchar
next
no
not
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nullif
numeric
octet_length
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on
only
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option
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outer
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overlaps
partial
postion
precision
prepare
preserve
primary
prior
privledges
procedure
public
read
real
references
relative
restrict
revoke
right
rollback
rows
schema
scroll
second
section
select
session
session_user
set
size
smallint
some
sql
sqlcode
sqlerror
sqlstate
substring
sum
system_user
table
temporary
then
time
timestamp
timezone_hour
timezone_minute
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trailing
transaction
translate
translation
trim
true
union
unique
unknown
update
upper
usage
user
using
value
values
varchar
varying
view
when
whenever
where
with
work
write
year
zone
