PostgreSQL : How to do research using geolocation in PostgreSQL?

Use PostGIS for do this. You can with PostGIS consult by geographic coordinates using as latitude and longitude, or even … More

PostgreSQL: How to remove a column from a table ?

Use this sintaxe: ALTER TABLE {TABLE_NAME} DROP COLUMN {COLUMN_NAME}; Example: ALTER TABLE material DROP COLUMN classificacao;

SELECT atttypmod -4 FROM pg_attribute WHERE attrelid = ‘Table’::regclass AND attname = ‘column’;

UPDATE pg_attribute SET atttypmod = (your new size) + 4 WHERE attrelid = ‘(table name)’::regclass AND attname = ‘(column name)’; … More

@NotNull @Column(name = “column_name”, columnDefinition = “boolean default true”) private boolean columnName ;

How to access my postgree ? $psql -h server -U userName How to list my existing databases ? $\l How … More