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PostgreSQL SQL commands
Время создания: 30.09.2017 21:49
Раздел: Postgres - syntaxis
Запись: xintrea/mytetra_db_mcold/master/base/15067973799hqwllszd8/text.html на raw.githubusercontent.com
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ABORT Abort the current transaction. ABORT [ WORK | TRANSACTION ] ALTER AGGREGATE Change the definition of an aggregate function. ALTER AGGREGATE name ( type ) RENAME TO new_name ALTER AGGREGATE name ( type ) OWNER TO new_owner ALTER CONVERSION Change the definition of a conversion. ALTER CONVERSION name RENAME TO new_name
ALTER CONVERSION name OWNER TO new_owner
ALTER DATABASE Change a database specific parameter. ALTER DATABASE name SET parameter { TO | = } { value | DEFAULT } ALTER DATABASE name RESET parameter
ALTER DATABASE name RENAME TO new_name
ALTER DATABASE name OWNER TO new_owner
ALTER DOMAIN Change the definition of a domain specific parameter. ALTER DOMAIN name { SET DEFAULT expression | DROP DEFAULT } ALTER DOMAIN name { SET | DROP } NOT NULL ALTER DOMAIN name ADD domain_constraint
ALTER DOMAIN name DROP CONSTRAINT constraint_name [ RESTRICT | CASCADE ] ALTER DOMAIN name OWNER TO new_owner
ALTER FUNCTION Change the definition of a function. ALTER FUNCTION name ( [ type [, ...] ] ) RENAME TO new_name ALTER FUNCTION name ( [ type [, ...] ] ) OWNER TO new_owner ALTER GROUP Change a user group. ALTER GROUP groupname ADD USER username [, ... ] ALTER GROUP groupname DROP USER username [, ... ] ALTER GROUP groupname RENAME TO new_name
ALTER INDEX Change the definition of an index. ALTER INDEX name OWNER TO new_owner
ALTER INDEX name SET TABLESPACE indexspace_name
ALTER INDEX name RENAME TO new_name
ALTER LANGUAGE Change the definition of a procedural language. ALTER LANGUAGE name RENAME TO new_name
ALTER OPERATOR Change the definition of an operator. ALTER OPERATOR name ( { lefttype | NONE }, { righttype | NONE } ) OWNER TO new_owner
ALTER OPERATOR CLASS Change the definition of an operator class. ALTER OPERATOR CLASS name USING index_method RENAME TO new_name
ALTER OPERATOR CLASS name USING index_method OWNER TO new_owner
ALTER SCHEMA Change the definition of a schema. ALTER SCHEMA name RENAME TO new_name
ALTER SCHEMA name OWNER TO new_owner
ALTER SEQUENCE Change the definition of a sequence generator. ALTER SEQUENCE name [ INCREMENT [ BY ] increment ] [ MINVALUE minvalue | NO MINVALUE ] [ MAXVALUE maxvalue | NO MAXVALUE ] [ RESTART [ WITH ] start ] [ CACHE cache ] [ [ NO ] CYCLE ] ALTER TABLE Change the definition of a table. ALTER TABLE [ ONLY ] name [ * ] action [, ... ] ALTER TABLE [ ONLY ] name [ * ] RENAME [ COLUMN ] column TO new_column ALTER TABLE name
RENAME TO new_name
Where action is one of the following lines − ADD [ COLUMN ] column_type [ column_constraint [ ... ] ] DROP [ COLUMN ] column [ RESTRICT | CASCADE ] ALTER [ COLUMN ] column TYPE type [ USING expression ] ALTER [ COLUMN ] column SET DEFAULT expression ALTER [ COLUMN ] column DROP DEFAULT ALTER [ COLUMN ] column { SET | DROP } NOT NULL ALTER [ COLUMN ] column SET STATISTICS integer ALTER [ COLUMN ] column SET STORAGE { PLAIN | EXTERNAL | EXTENDED | MAIN } ADD table_constraint
DROP CONSTRAINT constraint_name [ RESTRICT | CASCADE ] CLUSTER ON index_name
SET WITHOUT CLUSTER
SET WITHOUT OIDS
OWNER TO new_owner
SET TABLESPACE tablespace_name
ALTER TABLESPACE Change the definition of a tablespace. ALTER TABLESPACE name RENAME TO new_name
ALTER TABLESPACE name OWNER TO new_owner
ALTER TRIGGER Change the definition of a trigger. ALTER TRIGGER name ON table RENAME TO new_name
ALTER TYPE Change the definition of a type. ALTER TYPE name OWNER TO new_owner
ALTER USER Change a database user account. ALTER USER name [ [ WITH ] option [ ... ] ] ALTER USER name RENAME TO new_name
ALTER USER name SET parameter { TO | = } { value | DEFAULT } ALTER USER name RESET parameter
Where option can be − [ ENCRYPTED | UNENCRYPTED ] PASSWORD 'password' | CREATEDB | NOCREATEDB | CREATEUSER | NOCREATEUSER | VALID UNTIL 'abstime' ANALYZE Collect statistics about a database. ANALYZE [ VERBOSE ] [ table [ (column [, ...] ) ] ] BEGIN Start a transaction block. BEGIN [ WORK | TRANSACTION ] [ transaction_mode [, ...] ] Where transaction_mode is one of − ISOLATION LEVEL { SERIALIZABLE | REPEATABLE READ | READ COMMITTED | READ UNCOMMITTED }
READ WRITE | READ ONLY CHECKPOINT Force a transaction log checkpoint. CHECKPOINT
CLOSE Close a cursor. CLOSE name
CLUSTER Cluster a table according to an index. CLUSTER index_name ON table_name
CLUSTER table_name
CLUSTER
COMMENT Define or change the comment of an object. COMMENT ON { TABLE object_name | COLUMN table_name.column_name | AGGREGATE agg_name (agg_type) | CAST (source_type AS target_type) | CONSTRAINT constraint_name ON table_name | CONVERSION object_name | DATABASE object_name | DOMAIN object_name | FUNCTION func_name (arg1_type, arg2_type, ...) | INDEX object_name | LARGE OBJECT large_object_oid | OPERATOR op (left_operand_type, right_operand_type) | OPERATOR CLASS object_name USING index_method | [ PROCEDURAL ] LANGUAGE object_name | RULE rule_name ON table_name | SCHEMA object_name | SEQUENCE object_name | TRIGGER trigger_name ON table_name | TYPE object_name | VIEW object_name
} IS 'text' COMMIT Commit the current transaction. COMMIT [ WORK | TRANSACTION ] COPY Copy data between a file and a table. COPY table_name [ ( column [, ...] ) ] FROM { 'filename' | STDIN } [ WITH ] [ BINARY ] [ OIDS ] [ DELIMITER [ AS ] 'delimiter' ] [ NULL [ AS ] 'null string' ] [ CSV [ QUOTE [ AS ] 'quote' ] [ ESCAPE [ AS ] 'escape' ] [ FORCE NOT NULL column [, ...] ] COPY table_name [ ( column [, ...] ) ] TO { 'filename' | STDOUT } [ [ WITH ] [ BINARY ] [ OIDS ] [ DELIMITER [ AS ] 'delimiter' ] [ NULL [ AS ] 'null string' ] [ CSV [ QUOTE [ AS ] 'quote' ] [ ESCAPE [ AS ] 'escape' ] [ FORCE QUOTE column [, ...] ] CREATE AGGREGATE Define a new aggregate function. CREATE AGGREGATE name ( BASETYPE = input_data_type, SFUNC = sfunc, STYPE = state_data_type [, FINALFUNC = ffunc ] [, INITCOND = initial_condition ] )
CREATE CAST Define a new cast. CREATE CAST (source_type AS target_type) WITH FUNCTION func_name (arg_types) [ AS ASSIGNMENT | AS IMPLICIT ] CREATE CAST (source_type AS target_type) WITHOUT FUNCTION
[ AS ASSIGNMENT | AS IMPLICIT ] CREATE CONSTRAINT TRIGGER Define a new constraint trigger. CREATE CONSTRAINT TRIGGER name
AFTER events ON
table_name constraint attributes
FOR EACH ROW EXECUTE PROCEDURE func_name ( args ) CREATE CONVERSION Define a new conversion. CREATE [DEFAULT] CONVERSION name FOR source_encoding TO dest_encoding FROM func_name
CREATE DATABASE Create a new database. CREATE DATABASE name
[ [ WITH ] [ OWNER [=] db_owner ] [ TEMPLATE [=] template ] [ ENCODING [=] encoding ] [ TABLESPACE [=] tablespace ] ]
CREATE DOMAIN Define a new domain. CREATE DOMAIN name [AS] data_type [ DEFAULT expression ] [ constraint [ ... ] ] Where constraint is − [ CONSTRAINT constraint_name ] { NOT NULL | NULL | CHECK (expression) } CREATE FUNCTION Define a new function. CREATE [ OR REPLACE ] FUNCTION name ( [ [ arg_name ] arg_type [, ...] ] ) RETURNS ret_type
{ LANGUAGE lang_name | IMMUTABLE | STABLE | VOLATILE | CALLED ON NULL INPUT | RETURNS NULL ON NULL INPUT | STRICT | [ EXTERNAL ] SECURITY INVOKER | [ EXTERNAL ] SECURITY DEFINER | AS 'definition' | AS 'obj_file', 'link_symbol' } ... [ WITH ( attribute [, ...] ) ] CREATE GROUP Define a new user group. CREATE GROUP name [ [ WITH ] option [ ... ] ] Where option can be: SYSID gid
| USER username [, ...] CREATE INDEX Define a new index. CREATE [ UNIQUE ] INDEX name ON table [ USING method ] ( { column | ( expression ) } [ opclass ] [, ...] ) [ TABLESPACE tablespace ] [ WHERE predicate ] CREATE LANGUAGE Define a new procedural language. CREATE [ TRUSTED ] [ PROCEDURAL ] LANGUAGE name HANDLER call_handler [ VALIDATOR val_function ] CREATE OPERATOR Define a new operator. CREATE OPERATOR name ( PROCEDURE = func_name [, LEFTARG = left_type ] [, RIGHTARG = right_type ] [, COMMUTATOR = com_op ] [, NEGATOR = neg_op ] [, RESTRICT = res_proc ] [, JOIN = join_proc ] [, HASHES ] [, MERGES ] [, SORT1 = left_sort_op ] [, SORT2 = right_sort_op ] [, LTCMP = less_than_op ] [, GTCMP = greater_than_op ] )
CREATE OPERATOR CLASS Define a new operator class. CREATE OPERATOR CLASS name [ DEFAULT ] FOR TYPE data_type USING index_method AS
{ OPERATOR strategy_number operator_name [ ( op_type, op_type ) ] [ RECHECK ] | FUNCTION support_number func_name ( argument_type [, ...] ) | STORAGE storage_type } [, ... ] CREATE RULE Define a new rewrite rule. CREATE [ OR REPLACE ] RULE name AS ON event TO table [ WHERE condition ] DO [ ALSO | INSTEAD ] { NOTHING | command | ( command ; command ... ) } CREATE SCHEMA Define a new schema. CREATE SCHEMA schema_name
[ AUTHORIZATION username ] [ schema_element [ ... ] ] CREATE SCHEMA AUTHORIZATION username
[ schema_element [ ... ] ] CREATE SEQUENCE Define a new sequence generator. CREATE [ TEMPORARY | TEMP ] SEQUENCE name [ INCREMENT [ BY ] increment ] [ MINVALUE minvalue | NO MINVALUE ] [ MAXVALUE maxvalue | NO MAXVALUE ] [ START [ WITH ] start ] [ CACHE cache ] [ [ NO ] CYCLE ] CREATE TABLE Define a new table. CREATE [ [ GLOBAL | LOCAL ] { TEMPORARY | TEMP } ] TABLE table_name ( { column_name data_type [ DEFAULT default_expr ] [ column_constraint [ ... ] ] | table_constraint | LIKE parent_table [ { INCLUDING | EXCLUDING } DEFAULTS ] } [, ... ] )
[ INHERITS ( parent_table [, ... ] ) ] [ WITH OIDS | WITHOUT OIDS ] [ ON COMMIT { PRESERVE ROWS | DELETE ROWS | DROP } ] [ TABLESPACE tablespace ] Where column_constraint is − [ CONSTRAINT constraint_name ] { NOT NULL | NULL | UNIQUE [ USING INDEX TABLESPACE tablespace ] | PRIMARY KEY [ USING INDEX TABLESPACE tablespace ] | CHECK (expression) | REFERENCES ref_table [ ( ref_column ) ] [ MATCH FULL | MATCH PARTIAL | MATCH SIMPLE ] [ ON DELETE action ] [ ON UPDATE action ] }
[ DEFERRABLE | NOT DEFERRABLE ] [ INITIALLY DEFERRED | INITIALLY IMMEDIATE ] And table_constraint is − [ CONSTRAINT constraint_name ] { UNIQUE ( column_name [, ... ] ) [ USING INDEX TABLESPACE tablespace ] | PRIMARY KEY ( column_name [, ... ] ) [ USING INDEX TABLESPACE tablespace ] | CHECK ( expression ) | FOREIGN KEY ( column_name [, ... ] ) REFERENCES ref_table [ ( ref_column [, ... ] ) ] [ MATCH FULL | MATCH PARTIAL | MATCH SIMPLE ] [ ON DELETE action ] [ ON UPDATE action ] } [ DEFERRABLE | NOT DEFERRABLE ] [ INITIALLY DEFERRED | INITIALLY IMMEDIATE ] CREATE TABLE AS Define a new table from the results of a query. CREATE [ [ GLOBAL | LOCAL ] { TEMPORARY | TEMP } ] TABLE table_name [ (column_name [, ...] ) ] [ [ WITH | WITHOUT ] OIDS ] AS query
CREATE TABLESPACE Define a new tablespace. CREATE TABLESPACE tablespace_name [ OWNER username ] LOCATION 'directory' CREATE TRIGGER Define a new trigger. CREATE TRIGGER name { BEFORE | AFTER } { event [ OR ... ] } ON table [ FOR [ EACH ] { ROW | STATEMENT } ] EXECUTE PROCEDURE func_name ( arguments ) CREATE TYPE Define a new data type. CREATE TYPE name AS
( attribute_name data_type [, ... ] ) CREATE TYPE name ( INPUT = input_function, OUTPUT = output_function [, RECEIVE = receive_function ] [, SEND = send_function ] [, ANALYZE = analyze_function ] [, INTERNALLENGTH = { internal_length | VARIABLE } ] [, PASSEDBYVALUE ] [, ALIGNMENT = alignment ] [, STORAGE = storage ] [, DEFAULT = default ] [, ELEMENT = element ] [, DELIMITER = delimiter ] )
CREATE USER Define a new database user account. CREATE USER name [ [ WITH ] option [ ... ] ] Where option can be − SYSID uid
| [ ENCRYPTED | UNENCRYPTED ] PASSWORD 'password' | CREATEDB | NOCREATEDB | CREATEUSER | NOCREATEUSER | IN GROUP group_name [, ...] | VALID UNTIL 'abs_time' CREATE VIEW Define a new view. CREATE [ OR REPLACE ] VIEW name [ ( column_name [, ...] ) ] AS query DEALLOCATE Deallocate a prepared statement. DEALLOCATE [ PREPARE ] plan_name DECLARE Define a cursor. DECLARE name [ BINARY ] [ INSENSITIVE ] [ [ NO ] SCROLL ] CURSOR [ { WITH | WITHOUT } HOLD ] FOR query [ FOR { READ ONLY | UPDATE [ OF column [, ...] ] } ] DELETE Delete rows of a table. DELETE FROM [ ONLY ] table [ WHERE condition ] DROP AGGREGATE Remove an aggregate function. DROP AGGREGATE name ( type ) [ CASCADE | RESTRICT ] DROP CAST Remove a cast. DROP CAST (source_type AS target_type) [ CASCADE | RESTRICT ] DROP CONVERSION Remove a conversion. DROP CONVERSION name [ CASCADE | RESTRICT ] DROP DATABASE Remove a database. DROP DATABASE name
DROP DOMAIN Remove a domain. DROP DOMAIN name [, ...] [ CASCADE | RESTRICT ] DROP FUNCTION Remove a function. DROP FUNCTION name ( [ type [, ...] ] ) [ CASCADE | RESTRICT ] DROP GROUP Remove a user group. DROP GROUP name
DROP INDEX Remove an index. DROP INDEX name [, ...] [ CASCADE | RESTRICT ] DROP LANGUAGE Remove a procedural language. DROP [ PROCEDURAL ] LANGUAGE name [ CASCADE | RESTRICT ] DROP OPERATOR Remove an operator. DROP OPERATOR name ( { left_type | NONE }, { right_type | NONE } ) [ CASCADE | RESTRICT ] DROP OPERATOR CLASS Remove an operator class. DROP OPERATOR CLASS name USING index_method [ CASCADE | RESTRICT ] DROP RULE Remove a rewrite rule. DROP RULE name ON relation [ CASCADE | RESTRICT ] DROP SCHEMA Remove a schema. DROP SCHEMA name [, ...] [ CASCADE | RESTRICT ] DROP SEQUENCE Remove a sequence. DROP SEQUENCE name [, ...] [ CASCADE | RESTRICT ] DROP TABLE Remove a table. DROP TABLE name [, ...] [ CASCADE | RESTRICT ] DROP TABLESPACE Remove a tablespace. DROP TABLESPACE tablespace_name
DROP TRIGGER Remove a trigger. DROP TRIGGER name ON table [ CASCADE | RESTRICT ] DROP TYPE Remove a data type. DROP TYPE name [, ...] [ CASCADE | RESTRICT ] DROP USER Remove a database user account. DROP USER name
DROP VIEW Remove a view. DROP VIEW name [, ...] [ CASCADE | RESTRICT ] END Commit the current transaction. END [ WORK | TRANSACTION ] EXECUTE Execute a prepared statement. EXECUTE plan_name [ (parameter [, ...] ) ] EXPLAIN Show the execution plan of a statement. EXPLAIN [ ANALYZE ] [ VERBOSE ] statement FETCH Retrieve rows from a query using a cursor. FETCH [ direction { FROM | IN } ] cursor_name Where direction can be empty or one of − NEXT
PRIOR
FIRST
LAST
ABSOLUTE count
RELATIVE count
count
ALL
FORWARD
FORWARD count
FORWARD ALL
BACKWARD
BACKWARD count
BACKWARD ALL
GRANT Define access privileges. GRANT { { SELECT | INSERT | UPDATE | DELETE | RULE | REFERENCES | TRIGGER } [,...] | ALL [ PRIVILEGES ] } ON [ TABLE ] table_name [, ...] TO { username | GROUP group_name | PUBLIC } [, ...] [ WITH GRANT OPTION ] GRANT { { CREATE | TEMPORARY | TEMP } [,...] | ALL [ PRIVILEGES ] } ON DATABASE db_name [, ...] TO { username | GROUP group_name | PUBLIC } [, ...] [ WITH GRANT OPTION ] GRANT { CREATE | ALL [ PRIVILEGES ] } ON TABLESPACE tablespace_name [, ...] TO { username | GROUP group_name | PUBLIC } [, ...] [ WITH GRANT OPTION ] GRANT { EXECUTE | ALL [ PRIVILEGES ] } ON FUNCTION func_name ([type, ...]) [, ...] TO { username | GROUP group_name | PUBLIC } [, ...] [ WITH GRANT OPTION ] GRANT { USAGE | ALL [ PRIVILEGES ] } ON LANGUAGE lang_name [, ...] TO { username | GROUP group_name | PUBLIC } [, ...] [ WITH GRANT OPTION ] GRANT { { CREATE | USAGE } [,...] | ALL [ PRIVILEGES ] } ON SCHEMA schema_name [, ...] TO { username | GROUP group_name | PUBLIC } [, ...] [ WITH GRANT OPTION ] INSERT Create new rows in a table. INSERT INTO table [ ( column [, ...] ) ] { DEFAULT VALUES | VALUES ( { expression | DEFAULT } [, ...] ) | query } LISTEN Listen for a notification. LISTEN name
LOAD Load or reload a shared library file. LOAD 'filename' LOCK Lock a table. LOCK [ TABLE ] name [, ...] [ IN lock_mode MODE ] [ NOWAIT ] Where lock_mode is one of − ACCESS SHARE | ROW SHARE | ROW EXCLUSIVE | SHARE UPDATE EXCLUSIVE | SHARE | SHARE ROW EXCLUSIVE | EXCLUSIVE | ACCESS EXCLUSIVE MOVE Position a cursor. MOVE [ direction { FROM | IN } ] cursor_name NOTIFY Generate a notification. NOTIFY name
PREPARE Prepare a statement for execution. PREPARE plan_name [ (data_type [, ...] ) ] AS statement REINDEX Rebuild indexes. REINDEX { DATABASE | TABLE | INDEX } name [ FORCE ] RELEASE SAVEPOINT Destroy a previously defined savepoint. RELEASE [ SAVEPOINT ] savepoint_name RESET Restore the value of a runtime parameter to the default value. RESET name
RESET ALL
REVOKE Remove access privileges. REVOKE [ GRANT OPTION FOR ] { { SELECT | INSERT | UPDATE | DELETE | RULE | REFERENCES | TRIGGER } [,...] | ALL [ PRIVILEGES ] } ON [ TABLE ] table_name [, ...] FROM { username | GROUP group_name | PUBLIC } [, ...] [ CASCADE | RESTRICT ] REVOKE [ GRANT OPTION FOR ] { { CREATE | TEMPORARY | TEMP } [,...] | ALL [ PRIVILEGES ] } ON DATABASE db_name [, ...] FROM { username | GROUP group_name | PUBLIC } [, ...] [ CASCADE | RESTRICT ] REVOKE [ GRANT OPTION FOR ] { CREATE | ALL [ PRIVILEGES ] } ON TABLESPACE tablespace_name [, ...] FROM { username | GROUP group_name | PUBLIC } [, ...] [ CASCADE | RESTRICT ] REVOKE [ GRANT OPTION FOR ] { EXECUTE | ALL [ PRIVILEGES ] } ON FUNCTION func_name ([type, ...]) [, ...] FROM { username | GROUP group_name | PUBLIC } [, ...] [ CASCADE | RESTRICT ] REVOKE [ GRANT OPTION FOR ] { USAGE | ALL [ PRIVILEGES ] } ON LANGUAGE lang_name [, ...] FROM { username | GROUP group_name | PUBLIC } [, ...] [ CASCADE | RESTRICT ] REVOKE [ GRANT OPTION FOR ] { { CREATE | USAGE } [,...] | ALL [ PRIVILEGES ] } ON SCHEMA schema_name [, ...] FROM { username | GROUP group_name | PUBLIC } [, ...] [ CASCADE | RESTRICT ] ROLLBACK Abort the current transaction. ROLLBACK [ WORK | TRANSACTION ] ROLLBACK TO SAVEPOINT Roll back to a savepoint. ROLLBACK [ WORK | TRANSACTION ] TO [ SAVEPOINT ] savepoint_name SAVEPOINT Define a new savepoint within the current transaction. SAVEPOINT savepoint_name
SELECT Retrieve rows from a table or view. SELECT [ ALL | DISTINCT [ ON ( expression [, ...] ) ] ] * | expression [ AS output_name ] [, ...] [ FROM from_item [, ...] ] [ WHERE condition ] [ GROUP BY expression [, ...] ] [ HAVING condition [, ...] ] [ { UNION | INTERSECT | EXCEPT } [ ALL ] select ] [ ORDER BY expression [ ASC | DESC | USING operator ] [, ...] ] [ LIMIT { count | ALL } ] [ OFFSET start ] [ FOR UPDATE [ OF table_name [, ...] ] ] Where from_item can be one of: [ ONLY ] table_name [ * ] [ [ AS ] alias [ ( column_alias [, ...] ) ] ] ( select ) [ AS ] alias [ ( column_alias [, ...] ) ] function_name ( [ argument [, ...] ] ) [ AS ] alias [ ( column_alias [, ...] | column_definition [, ...] ) ] function_name ( [ argument [, ...] ] ) AS ( column_definition [, ...] ) from_item [ NATURAL ] join_type from_item [ ON join_condition | USING ( join_column [, ...] ) ] SELECT INTO Define a new table from the results of a query. SELECT [ ALL | DISTINCT [ ON ( expression [, ...] ) ] ] * | expression [ AS output_name ] [, ...] INTO [ TEMPORARY | TEMP ] [ TABLE ] new_table [ FROM from_item [, ...] ] [ WHERE condition ] [ GROUP BY expression [, ...] ] [ HAVING condition [, ...] ] [ { UNION | INTERSECT | EXCEPT } [ ALL ] select ] [ ORDER BY expression [ ASC | DESC | USING operator ] [, ...] ] [ LIMIT { count | ALL } ] [ OFFSET start ] [ FOR UPDATE [ OF table_name [, ...] ] ] SET Change a runtime parameter. SET [ SESSION | LOCAL ] name { TO | = } { value | 'value' | DEFAULT } SET [ SESSION | LOCAL ] TIME ZONE { time_zone | LOCAL | DEFAULT } SET CONSTRAINTS Set constraint checking modes for the current transaction. SET CONSTRAINTS { ALL | name [, ...] } { DEFERRED | IMMEDIATE } SET SESSION AUTHORIZATION Set the session user identifier and the current user identifier of the current session. SET [ SESSION | LOCAL ] SESSION AUTHORIZATION username SET [ SESSION | LOCAL ] SESSION AUTHORIZATION DEFAULT RESET SESSION AUTHORIZATION
SET TRANSACTION Set the characteristics of the current transaction. SET TRANSACTION transaction_mode [, ...] SET SESSION CHARACTERISTICS AS TRANSACTION transaction_mode [, ...] Where transaction_mode is one of − ISOLATION LEVEL { SERIALIZABLE | REPEATABLE READ | READ COMMITTED | READ UNCOMMITTED } READ WRITE | READ ONLY SHOW Show the value of a runtime parameter. SHOW name
SHOW ALL
START TRANSACTION Start a transaction block. START TRANSACTION [ transaction_mode [, ...] ] Where transaction_mode is one of − ISOLATION LEVEL { SERIALIZABLE | REPEATABLE READ | READ COMMITTED | READ UNCOMMITTED } READ WRITE | READ ONLY TRUNCATE Empty a table. TRUNCATE [ TABLE ] name UNLISTEN Stop listening for a notification. UNLISTEN { name | * } UPDATE Update rows of a table. UPDATE [ ONLY ] table SET column = { expression | DEFAULT } [, ...] [ FROM from_list ] [ WHERE condition ] VACUUM Garbage-collect and optionally analyze a database. VACUUM [ FULL ] [ FREEZE ] [ VERBOSE ] [ table ] VACUUM [ FULL ] [ FREEZE ] [ VERBOSE ] ANALYZE [ table [ (column [, ...] ) ] ] |
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Так же в этом разделе:
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