Goal Find the names of different types (base table, foreign table, view, materialized view) of tables. Naming of tables must be consistent. For instance, do not mix names in plural and singular form within the same table type.
Type General (Overview of some aspect of the database.)
License MIT License
Data Source INFORMATION_SCHEMA+system catalog
SQL Query
SELECT A.table_schema, A.table_name, A.table_type 
FROM INFORMATION_SCHEMA.tables A
INNER JOIN INFORMATION_SCHEMA.schemata B
ON A.table_schema=B.schema_name
WHERE (A.table_schema = 'public'
OR B.schema_owner<>'postgres')
UNION SELECT schemaname, matviewname, 'MATERIALIZED VIEW' AS table_type
FROM pg_catalog.pg_matviews
WHERE schemaname NOT IN (SELECT schema_name
FROM INFORMATION_SCHEMA.schemata
WHERE schema_name<>'public' AND
schema_owner='postgres' AND schema_name IS NOT NULL)
ORDER BY table_type, table_name, table_schema;

Categories

This query is classified under the following categories:

NameDescription
Derived tablesQueries of this category provide information about the derived tables (views, materialized views), which are used to implement virtual data layer.
InconsistenciesQueries of this catergory provide information about inconsistencies of solving the same problem in different places.
NamingQueries of this category provide information about the style of naming.