テーブルの数を数える

SELECT count(*) FROM information_schema.tables WHERE table_schema NOT IN ('pg_catalog', 'information_schema');

実行例

db_common=# SELECT count(*) FROM information_schema.tables WHERE table_schema NOT IN ('pg_catalog', 'information_schema');
 count 
-------
  1583
(1 row)

テーブル名が g で始まるものの数を数える

SELECT count(*) FROM information_schema.tables WHERE table_schema NOT IN ('pg_catalog', 'information_schema') and table_name like 'g%';

実行例

db_common=# SELECT count(*) FROM information_schema.tables WHERE table_schema NOT IN ('pg_catalog', 'information_schema') and table_name like 'g%';
 count 
-------
  1241
(1 row)

テーブルの一覧

all01.sql


SELECT table_name FROM information_schema.tables WHERE table_schema NOT IN ('pg_catalog', 'information_schema') order by table_name;

実行例

psql -Uscott db_common < all01.sql > all01.txt

テーブル名が g で始まるものの一覧

g01.sql

SELECT table_name FROM information_schema.tables WHERE table_schema NOT IN ('pg_catalog', 'information_schema') and table_name like 'g%' order by table_name;

実行例

psql -Uscott db_common < g01.sql > g01.txt