Table 1 shows the one-letter abbreviations that are used for these privilege types in ACL (Access Control List) values. You will see these letters in the output of the psql commands listed below, or when looking at ACL columns of system catalogs.
Table 1. ACL Privilege Abbreviations
| Privilege | Abbreviation | Applicable Object Types |
|---|---|---|
SELECT |
r (“read”) |
LARGE OBJECT, SEQUENCE, TABLE (and table-like objects), table column |
INSERT |
a (“append”) |
TABLE, table column |
UPDATE |
w (“write”) |
LARGE OBJECT, SEQUENCE, TABLE, table column |
DELETE |
d |
TABLE |
TRUNCATE |
D |
TABLE |
REFERENCES |
x |
TABLE, table column |
TRIGGER |
t |
TABLE |
CREATE |
C |
DATABASE, SCHEMA, TABLESPACE |
CONNECT |
c |
DATABASE |
TEMPORARY |
T |
DATABASE |
EXECUTE |
X |
FUNCTION, PROCEDURE |
USAGE |
U |
DOMAIN, FOREIGN DATA WRAPPER, FOREIGN SERVER, LANGUAGE, SCHEMA, SEQUENCE, TYPE |
Table 2 summarizes the privileges available for each type of SQL object, using the abbreviations shown above. It also shows the psql command that can be used to examine privilege settings for each object type.
Table 2. Summary of Access Privileges
| Object Type | All Privileges | Default PUBLIC Privileges |
psql Command |
|---|---|---|---|
DATABASE |
CTc |
Tc |
\l |
DOMAIN |
U |
U |
\dD+ |
FUNCTION or PROCEDURE |
X |
X |
\df+ |
FOREIGN DATA WRAPPER |
U |
none | \dew+ |
FOREIGN SERVER |
U |
none | \des+ |
LANGUAGE |
U |
U |
\dL+ |
LARGE OBJECT |
rw |
none | |
SCHEMA |
UC |
none | \dn+ |
SEQUENCE |
rwU |
none | \dp |
TABLE (and table-like objects) |
arwdDxt |
none | \dp |
| Table column | arwx |
none | \dp |
TABLESPACE |
C |
none | \db+ |
TYPE |
U |
U |
\dT+ |