ISO SQL

The following keywords are ISO standard keywords that are not currently reserved in Ingres/SQL or Ingres/Embedded SQL. Use these as reserved words to ensure compatibility with other implementations of SQL.

absolute	except	output
action	exception	overlaps
allocate	exec	pad
alter	external	partial
are	extract	position
asc	false	precision
assertion	first	prior
bit	float	privileges
bit_length	found	read
both	get	real
cascaded	go	relative
case	hour	second
cast	identity	size
catalog	initially	smallint
char	input	space
character	insensitive	sql
char_length	int	sqlcode
character_length	integer	sqlerror
coalesce	intersects	substring
collate	interval	then
collation	isolation	time
connection	language	timestamp
constraints	last	timezone_hour
convert	leading	timezone_minute
corresponding	level	trailing
cross	lower	transaction
current_date	match	translate
current_time	minute	translation
current_timestamp	module	trim
date	month	true
day	names	unknown
deallocate	national	upper
dec	nchar	usage
decimal	no	value
deferrable	nullif	varchar
deferred	numeric	varying
desc	octet_length	work
diagnostics	only	write
domain	option	year
double	nchar	zone
else	outer