B
Reserved Words, Keywords, and Namespaces
Topics are:
Reserved Words and Keywords
Some words are reserved by Oracle. That is, they have a special meaning to Oracle and cannot be redefined. For this reason, you cannot use them to name database objects such as columns, tables, or indexes. To view the lists of the Oracle reserved words for SQL and PL/SQL, see the Oracle8 SQL Reference and the PL/SQL User's Guide and Reference.
Pro*C/C++ keywords, like C or C++ keywords, should not be used as variables in your program. Otherwise, an error will be generated. An error may result if they are used as the name of a database object such as a column. Here are the keywords used in Pro*C/C++:
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all |
allocate |
alter |
analyze |
and |
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any |
arraylen |
as |
asc |
at |
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audit |
authorization |
avg |
begin |
between |
|
bind |
both |
break |
by |
cache |
|
call |
cast |
char |
character |
character |
|
charf |
charz |
check |
close |
collection |
|
comment |
commit |
connect |
constraint |
constraints |
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context |
continue |
convbufsz |
count |
create |
|
current |
currval |
cursor |
database |
date |
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dateformat |
datelang |
day |
deallocate |
dec |
|
decimal |
declare |
default |
define |
delete |
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deref |
desc |
describe |
descriptor |
display |
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distinct |
do |
double |
drop |
else |
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enable |
end |
endif |
escape |
exec |
|
exec |
execute |
exists |
explain |
extract |
|
fetch |
float |
flush |
for |
force |
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found |
free |
from |
function |
get |
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global |
go |
goto |
grant |
group |
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having |
hour |
iaf |
identified |
ifdef |
|
ifndef |
immediate |
in |
indicator |
input |
|
insert |
integer |
intersect |
interval |
into |
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is |
is |
leading |
level |
like |
|
list |
lob |
local |
lock |
long |
|
max |
message |
min |
minus |
minute |
|
mode |
month |
multiset |
nchar |
nchar_cs |
|
next |
nextval |
noaudit |
not |
notfound |
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nowait |
null |
number |
numeric |
nvarchar |
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nvarchar2 |
object |
ocibfilelocator |
ocibloblocator |
ocicloblocator |
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ocidate |
ociextproccontext |
ocinumber |
ociraw |
ocirowid |
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ocistring |
of |
only |
open |
option |
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option |
or |
oracle |
order |
output |
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overlaps |
package |
partition |
precision |
prepare |
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prior |
procedure |
put |
raw |
read |
|
real |
ref |
reference |
register |
release |
|
rename |
replace |
return |
returning |
revoke |
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role |
rollback |
rowid |
rownum |
savepoint |
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second |
section |
select |
set |
set |
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smallint |
some |
sql |
sql_context |
sql_cursor |
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sqlerror |
sqlwarning |
start |
statement |
stddev |
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stop |
string |
sum |
sysdate |
sysdba |
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sysoper |
table |
temporary |
the |
threads |
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time |
timestamp |
timezone_hour |
timezone_minute |
to |
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tools |
trailing |
transaction |
trigger |
trim |
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truncate |
type |
uid |
ulong_varchar |
union |
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unique |
unsigned |
update |
use |
user |
|
using |
uvarchar |
validate |
values |
varchar |
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varchar |
varchar2 |
variables |
variance |
varnum |
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varraw |
view |
whenever |
where |
with |
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work |
year |
zone |
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Oracle Reserved Namespaces
The following table contains a list of namespaces that are reserved by Oracle. The initial characters of function names in Oracle libraries are restricted to the character strings in this list. Because of potential name conflicts, do not use function names that begin with these characters. For example, the Net8 Transparent Network Service functions all begin with the characters NS, so you need to avoid naming functions that begin with NS.
The list in the table is not a comprehensive list of all functions within the Oracle reserved namespaces. For a complete list of functions within a particular namespace, refer to the document that corresponds to the appropriate Oracle library.
