PostgreSQL ALTER

\l

\dt

\d [table]

CREATE TABLE table_name_A AS (SELECT * FROM table_name_B);

ALTER TABLE table_name RENAME TO new_name;

ALTER TABLE table_name ADD column_name datatype NOT NULL DEFAULT 1;

ALTER TABLE table_name DROP  column_name; 

ALTER TABLE table_name RENAME column_name to new_column_name;

ALTER TABLE table_name ALTER  column_name TYPE datatype;

ALTER TABLE table_name ALTER column_name {SET|DROP} NOT NULL; 

ALTER TABLE table_name ALTER column_name SET DEFAULT expression;

COMMENT ON COLUMN table_name.column_name IS 'desc';