The list of all the queries

Column name is the same as the table name

Query goal: Find columns that have the same name as the table. The names may have different uppercase/lowercase characters. Sometimes columns with such names are used as the key columns. Make sure that the naming style is consistent.
Query type: General (Overview of some aspect of the database.)
Query license: MIT License
Data source: INFORMATION_SCHEMA+system catalog
SQL query: Click on query to copy it

WITH columns AS (SELECT nspname AS table_schema, relname AS table_name, 
CASE WHEN relkind='r' THEN 'BASE TABLE'
WHEN relkind='v' THEN 'VIEW'
WHEN relkind='m' THEN 'MATERIALIZED VIEW'
WHEN relkind='f' THEN 'FOREIGN TABLE'
WHEN relkind='p' THEN 'PARTITIONED TABLE'
END AS table_type, 
attname AS column_name,
pg_type.typname AS column_type,
domain_type.typname AS column_domain_type
FROM pg_class INNER JOIN pg_namespace ON pg_class.relnamespace=pg_namespace.oid
INNER JOIN pg_attribute ON pg_class.oid=pg_attribute.attrelid
INNER JOIN pg_type ON pg_attribute.atttypid =pg_type.oid
LEFT JOIN pg_type AS domain_type ON domain_type.oid=pg_type.typbasetype
WHERE attnum>=1 
AND relkind IN ('r','v','m','f','p')
AND nspname NOT IN (SELECT schema_name
FROM INFORMATION_SCHEMA.schemata
WHERE schema_name<>'public' AND
schema_owner='postgres' AND schema_name IS NOT NULL))
SELECT table_schema, table_type, table_name, column_name, column_type, column_domain_type
FROM columns
WHERE column_name ILIKE table_name
ORDER BY table_type, table_schema, table_name, column_name;

Collections where the query belongs to

Collection nameCollection description
Find problems about namesA selection of queries that return information about the names of database objects. Contains all the types of queries - problem detection, software measure, and general overview.
Find problems by overviewQueries that results point to different aspects of database that might have problems. A human reviewer has to decide based on the results as to whether there are problems or not .
Lexicon bad smells and linguistic antipatternsQueries made to find the occurrences of lexicon bad smells and linguistic antipatterns

Categories where the query belongs to

Category nameCategory description
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.

Reference materials for further reading

Reference
https://www.sqlstyle.guide/
Smell "Whole-part": Abebe, S.L., Haiduc, S., Tonella, P., Marcus, A., 2011. The effect of lexicon bad smells on concept location in source code. In 2011 IEEE 11th International Working Conference on Source Code Analysis and Manipulation (pp. 125-134). IEEE.

The list of all the queries