<title>Key Words</title>

<para>

<acronym>SQL92</acronym> defines <firstterm>key words</firstterm> for the language

<acronym>SQL92</acronym> defines <firstterm>key words</firstterm>

for the language

which have specific meaning. Some key words are

<firstterm>reserved</firstterm>, which indicates that they are

restricted to appear in only certain contexts. Other key words are

<firstterm>not restricted</firstterm>, which indicates that in certain contexts they

<firstterm>not restricted</firstterm>, which indicates that in certain

contexts they

have a specific meaning but are not otherwise constrained.

<para>

Any string can be specified as an identifier if surrounded by

double quotes (<quote>like this!</quote>). Some care is required since

such an identifier will be case sensitive

and will retain embedded whitespace.

and will retain embedded whitespace other special characters.

</tip>

<para>

PARTIAL PRIMARY PRIVILEGES PROCEDURE PUBLIC

REFERENCES REVOKE RIGHT ROLLBACK

SELECT SET SUBSTRING

TIMESTAMPTO TRAILING TRIM

TO TRAILING TRIM

UNION UNIQUE UPDATE USER USING

VALUES VARCHAR VARYING VIEW

WHERE WITH WORK

PRIOR PRIVILEGES

READ RELATIVE

SCROLL SECOND

TIME TIMEZONE_HOUR TIMEZONE_MINUTE TRIGGER

TIMETIMESTAMPTIMEZONE_HOUR TIMEZONE_MINUTE TRIGGER

YEAR

ZONE

</programlisting>